Seasonal Guide
Where it's hot in September
September is the quiet genius of the travel calendar. The Mediterranean exhales, crowds thin, prices soften, and the light turns golden across continents simultaneously. From Adriatic old towns to Botswana floodplains, from Vermont hillsides just blushing red to Santorini caldera views finally free of queues, this is the month that rewards the traveller who plans just one season ahead.
September arrives like a long exhale after the fever of peak summer. Across the Mediterranean, the temperature drops just enough to make sightseeing civilised again, while the sea retains every degree of warmth it has spent three months accumulating. Athens sits at a comfortable 29°C average high, Rome at 28°C, and the Croatian coast at 26°C. Hotel rates fall by 20 to 30 percent compared with July, ferry queues evaporate on the Greek islands, and the Acropolis becomes something you can actually appreciate rather than simply survive.
Beyond Europe, the month offers a notable spread of climates and experiences. In southern Africa, September marks the dry-season peak: Botswana's Chobe River teems with elephant, the Okavango channels are clear, and East Africa's wildebeest migration is entering its final, dramatic river-crossing act. Cape Town, meanwhile, wakes into spring, with Namaqualand's wildflowers blazing orange across the Karoo. In the northern hemisphere, New England's higher elevations begin their colour show in the final week, and Japan's typhoon risk is real but manageable if you choose your timing.
What makes September special is its plurality. You can seek scorching desert heat in Dubai at 39°C, harvest grapes in a Chianti vineyard at 27°C, wade into Bali's warm surf at 29°C as the dry season extends its final weeks, or pull on a fleece in Queenstown at 13°C as the Southern Alps emerge from winter. The world, in September, offers almost every kind of travel experience at something close to its best, and usually at a price that makes booking the next trip feel reasonable before you have even unpacked from this one.
Displaying historical averages for the month of September.
View full interactive mapTop 10 destinations in September
1.Dubrovnik, Croatia
27°couplesSeptember is Dubrovnik's finest month. The Adriatic holds a sea temperature around 24°C, perfect for swimming from the rocky coves below the city walls, while the air cools just enough to make the Old Town's white limestone streets a pleasure to walk rather than an endurance test. August's cruise-ship congestion eases noticeably after the first week. Hotel prices soften by as much as 25 percent. Sunset from Srj Hill or the cable car turns the terracotta rooftops amber without the summer haze that blurs July evenings.
2.Athens, Greece
29°cultureAthens at 29°C in September is the city operating particularly gracious. The Acropolis Museum is easier to navigate, Monastiraki's flea market recovers its neighbourhood character, and taverna tables spill freely onto the pavements of Psirri and Koukaki. The Aegean ferries are still running full schedules to the islands, making Athens a natural base for combining urban culture with a quick sail to Hydra or Aegina. Prices across accommodation and restaurants fall perceptibly from their August highs, and the locals return from their own summer holidays refreshed.
3.Tuscany, Italy
27°couplesThe vendemmia, Tuscany's grape harvest, begins in September and transforms the landscape and the mood. Vineyards around Greve in Chianti and Montalcino open their gates to visitors willing to pick alongside the workers, and cantinas offer barrel-room tastings of the previous vintage. The light shifts from white summer glare to a softer gold that makes every cypress-lined road look freshly painted. At 27°C it is warm enough for swimming in agriturismo pools but cool enough for proper walking in the Val d'Orcia. White truffle season opens in the Mugello.
4.Santorini, Greece
28°couplesSantorini's summer overloads are well documented. September closes that chapter. The famous sunsets over Oia can be enjoyed from a terrace rather than a scrum, the black sand beaches at Kamari and Perissa are spacious, and the sea at 24°C is the year's warmest. Wine tours at Santo Winery take on a harvest dimension, with assyrtiko grapes being pressed. Flights and cave-house hotels drop in price. The island reveals itself as a place of volcanic drama and quiet Cycladic charm rather than a selfie queue with accommodation attached.
5.Chobe, Botswana
28°luxurySeptember is Chobe National Park at its finest. The dry season has concentrated wildlife around the Chobe River for months, and the herds that gather to drink in the evenings are among the largest elephant congregations on the continent, sometimes numbering in the hundreds. Buffalo, lion, leopard and hippo are reliably visible. River safaris at dawn offer photography conditions that no studio could replicate. The heat at 28°C is manageable in an open-sided game vehicle, and the absence of rain means tracks are accessible throughout the park.
6.Rome, Italy
27°cultureRome in September occupies a sweet spot between the stupefying heat of August and the colder months ahead. At 28°C, the days are warm enough for a gelato every hour but cool enough for serious museum-going. The Borghese Gallery is bookable on reasonable notice. Trastevere's restaurants fill with Romans returned from their summer break, giving the neighbourhood its authentic character back. Autumn produce floods Campo de' Fiori market: figs, late-season tomatoes, wild porcini, and the first sharp pecorino of the season.
7.Cape Town, South Africa
20°familiesCape Town's September is one of the southern hemisphere's most quietly spectacular months. The Namaqualand wildflower season peaks in the first two weeks, carpeting the landscape north of the city in orange and yellow daisies visible from satellite imagery. Southern right whales arrive in Walker Bay near Hermanus to calve, offering some of the world's best shore-based whale watching. The Winelands around Stellenbosch and Franschhoek emerge refreshed after winter. At 19°C the days are bright and crisp, evenings call for a layer, and Table Mountain is frequently cloud-free and climbable.
8.Vermont, USA
21°hikingVermont's famous fall foliage season technically peaks in October, but September delivers something more rewarding: the very first colour, appearing on the higher elevations of the Green Mountains around the third week of the month, before the leaf-peeping crowds arrive in force. The days at around 21°C are ideal for hiking the Long Trail or cycling the back roads around Stowe and Woodstock. Farm stands overflow with apples, cider doughnuts and pumpkins. Country inns are still bookable without months of advance planning, and the late-afternoon light on the hillsides is unforgettable.
9.Queenstown, New Zealand
13°hikingSeptember is Queenstown's secret season. The ski fields are closing or recently closed, the summer adventure-tourism rush has not yet begun, and the town regains a sense of proportion. The Remarkables range still carries snow on its upper flanks while the valleys turn a tentative green. Walks around Lake Wakatipu and the Routeburn Track's lower sections become accessible. At 13°C the air is sharp and clear, the kind of clarity that makes the lake colours look implausible. Accommodation prices sit well below summer rates, and the restaurants cook with noticeably more care.
10.Sevilla, Spain
32°cultureSevilla in August is a commitment: the city regularly exceeds 40°C and even the locals leave. September brings the temperature down to a still-warm 32°C average high, enough for outdoor dining and rooftop terraces without the oppressive heat that defeats sightseeing. The Feria de Pedro Romero in nearby Ronda, one of Andalusia's most authentic festivals framed by the famous gorge, takes place in early September. The city's tapas bars fill with Sevillanos, the orange trees begin their faint autumnal shift, and the Alcazar gardens recover their greenery after the summer's parching.
September picks by traveller type
Tuscany
The vendemmia harvest gives children a hands-on agricultural experience that no museum can replicate. Agriturismo properties offer pools, farmyard animals, and simple pasta-making lessons. At 27°C the days are warm but not punishing, and the rolling landscape provides an endless backdrop for slow, unhurried family travel at shoulder-season prices.
Cape Town
September combines whale watching at Hermanus, penguin colonies at Boulders Beach, and the Namaqualand wildflower bloom into an itinerary that works for every age group. At 19°C it is comfortable and never oppressively hot. Table Mountain's cable car and the Two Oceans Aquarium fill any day that needs a structured anchor.
Sydney
Sydney in spring at 20°C is ideal for families. The zoo at Taronga, the beach walks from Bondi to Coogee, and the Royal Botanic Garden in full bloom provide days of activity without heat stress. The city's spring energy after winter makes for an atmosphere that is welcoming, easy to navigate, and joyful.
September by region
Mediterranean and Southern Europe
September is the Mediterranean's finest argument. The sea temperature along the Adriatic, Aegean, and Tyrrhenian coasts sits between 23°C and 26°C, warmer in fact than early summer, and the crowds that made July and August testing have largely dissolved. Athens averages 29°C, Rome 28°C, Istanbul 26°C, and the Croatian coast a comfortable 26°C. You can walk the Acropolis at midday without feeling punished. You can find a table at any restaurant in Dubrovnik's Old Town without a reservation. The shoulder-season logic is especially compelling in Greece, where island accommodation and ferries cost 20 to 30 percent less than they did six weeks earlier.
Italy adds a dimension the other Mediterranean countries cannot quite match: harvest. The vendemmia across Tuscany, Umbria, and Piedmont turns September into a culinary event. Chianti estates open to visitors, porcini mushrooms appear in market crates, and the light on the Apennine hills shifts from summer white to a warmer, more painterly gold. Spain's Andalusia, meanwhile, is finally emerging from its August furnace. Sevilla at 32°C is still warm enough for every outdoor pleasure but humane enough for serious sightseeing. The Ronda Feria in early September is one of the peninsula's great cultural events, staged against the backdrop of the Puente Nuevo gorge.
- Dubrovnik26°
- Athens29°
- Rome28°
- Tuscany27°
- Sevilla32°
Asia and the Pacific
Asia in September demands careful reading of the meteorological map. Tokyo at 27°C is lovely, with the late-summer heat softening and the first hints of momiji foliage appearing in mountain areas, but the typhoon season is real and bears watching in the second half of the month. Seoul at 26°C is particularly comfortable, the heat and humidity of August replaced by clear skies and the earliest Korean autumn colours in the northern provinces. Bali at 29°C sits in the tail of the dry season, the rice terraces vivid, the surf at Canggu and Uluwatu in good form, the island manageable again after the school-holiday peak.
Elsewhere in the region, caveats apply. Bangkok at 32°C remains in its wet season, with afternoon downpours that are manageable but persistent. Mumbai's monsoon is easing but not finished. Phuket's west coast faces the Andaman Sea, which remains rough in September. Australia's southeast corner, represented by Sydney at a crisp 20°C, is an underrated September destination: the Royal Botanic Garden is in spring bloom, coastal walks along the Bondi to Coogee cliff path are at their most invigorating, and the city hums with renewed energy after winter. Queenstown at 13°C opens its spring hiking season quietly and affordably.
- Bali29°
- Tokyo27°
- Seoul26°
- Sydney20°
- Queenstown13°
The Americas
North America presents its two best faces in September. The eastern seaboard from Boston (23°C) to New York (24°C) is in a transitional state that suits almost any traveller: warm enough for outdoor dining and rooftop bars, cool enough for walking entire neighbourhoods without wilting. New York's September is one of the city's great months: the cultural season reopens, the Hamptons crowd comes home, and the city reasserts its metropolitan rhythm. Further north in Vermont, the very highest ridgelines begin their colour change in the final week, providing a preview of October's famous spectacle at a fraction of the crowds and cost.
On the west coast, Vancouver at 19°C enjoys what locals call the golden weeks: reliably clear skies, warm days, and the surrounding mountains beginning their first light dustings of snow at altitude. It is perfect weather for Garibaldi Provincial Park or kayaking the Gulf Islands. In the south, Cancun at 32°C is technically still in hurricane season, a risk that deserves honest weighing, though many travellers accept the lower prices and find the weather fine. Patagonia, at the southern tip of the continent, enters early spring at around 14°C: dramatic light, snow-capped peaks, and trails opening after their winter closure.
- New York24°
- Vermont21°
- Vancouver19°
- Patagonia14°
Africa and the Middle East
September is among the finest months on the African continent for wildlife travel. Botswana's dry season reaches its concentrated peak: the Chobe River safari lodges offer morning boat trips past herds of several hundred elephants drinking at the bank, while the Okavango Delta's channels are clear and game drives are productive throughout. The East African migration at the Masai Mara in Kenya is entering its final act, with the last major Mara River crossings of the season happening in early September before the wildebeest begin their return south. Both destinations demand advance booking but reward it generously.
In South Africa, Cape Town's spring arrival is one of the continent's most accessible wild spectacles. The Namaqualand wildflower bloom, peaking in the first two weeks of September, transforms the semi-arid landscape north of the city into a rolling carpet of colour. Southern right whales arrive at Hermanus for their calving season. The Middle East represents a different calculation entirely: Dubai at 39°C and Doha at 38°C are in their final weeks of genuine heat, and travellers who enjoy extreme warmth and impeccable resort infrastructure will find rates lower than in the cooler winter peak season that begins in October.
- Chobe National Park28°
- Nairobi23°
- Cape Town19°
Average temperatures by destination
Showing 19 of 74 destinations
| Destination | Country | Avg high | Swings | Rain days |
|---|---|---|---|---|
| Riyadh | Saudi Arabia | 41° | - | - |
| Abu Dhabi | UAE | 40° | - | - |
| Aswan | Egypt | 40° | - | - |
| Dubai | UAE | 40° | - | - |
| Doha | Qatar | 39° | - | - |
| Luxor | Egypt | 39° | - | - |
| Phoenix | USA | 39° | - | - |
| Khartoum | Sudan | 38° | - | - |
| Kuwait City | Kuwait | 38° | - | - |
| Hurghada | Egypt | 36° | - | - |
| Sharm El Sheikh | Egypt | 36° | - | - |
| Las Vegas | USA | 35° | - | - |
| Muscat | Oman | 35° | - | - |
| Niamey | Niger | 35° | - | - |
| Cairo | Egypt | 34° | - | - |
| Ouagadougou | Burkina Faso | 34° | - | - |
| Ahmedabad | India | 33° | - | - |
| Bangkok | Thailand | 33° | - | - |
| Karachi | Pakistan | 33° | - | - |
Readings come from the last ten years of daily weather data, so they reflect the climate as it is now, not as it was decades ago. Data: Visual Crossing global historical archive. How we compute this
What to pack for September
September's global spread demands a versatile bag. For the Mediterranean and southern Africa, pack lightweight breathable clothing, high-SPF sunscreen, and a light layer for evenings that turn surprisingly cool after dark. Beach destinations require reef-safe suncream and a rash vest. For Vermont, Queenstown, or Patagonia, a proper mid-layer fleece and a waterproof shell are essential: spring weather at altitude changes quickly. Comfortable walking shoes serve every itinerary. A compact umbrella or rain jacket covers Bangkok and Mumbai's lingering wet-season afternoons. Light linen works for cities; merino wool is the cross-climate traveller's best friend.
Where to avoid in September
The Caribbean in September is statistically the peak of hurricane season, with the Atlantic basin most active from late August through mid-October. Cancun, Jamaica, Barbados, and the eastern Caribbean islands all carry genuine storm risk, and travel insurance premiums reflect this. Thailand's Gulf coast islands, including Koh Samui and Koh Phangan, face their worst weather of the year with heavy rainfall and rough seas. Mumbai's monsoon has not fully cleared. The Sahel from Mauritania across to Chad remains brutally hot and humid. The Mekong Delta and central Vietnam face increasing rainfall and early-season tropical disturbances.
Frequently asked
- Where is hot in September in Europe?
- Sevilla averages 32°C in September, making it the warmest major city in Europe that month. Athens sits at 29°C, Rome at 28°C, and the Croatian coast around Dubrovnik at 26°C. The Mediterranean sea temperature is at its annual high of 24 to 26°C. For consistent heat and warm swimming, the Greek islands, southern Spain, and southern Italy are your best European choices in September.
- Is September a good time to visit the Mediterranean?
- September is the best month to visit the Mediterranean. The peak summer crowds have thinned, hotel and flight prices are 20 to 30 percent lower than July, and the sea is warmer than it was in June. The weather remains reliably sunny and warm across Greece, Italy, Croatia, and Spain. You can visit the Acropolis, walk Dubrovnik's walls, or tour a Chianti vineyard in comfort that August simply does not allow.
- Where should travellers go in September for a beach holiday?
- For the warmest European beach options, the Greek islands and southern Spain are ideal at 27 to 29°C sea temperature. Further afield, Bali offers 28°C water and drier conditions at the tail of its dry season. The Maldives is in a transitional phase with improving conditions and lower prices. Sharm El Sheikh in Egypt combines 33°C air temperature with exceptional Red Sea diving visibility. Avoid the Caribbean due to hurricane risk.
- What is the best safari destination in September?
- September is the peak month for Botswana's Chobe National Park, where the dry season has concentrated wildlife along the Chobe River in striking numbers. The Masai Mara in Kenya also delivers the final river crossings of the wildebeest migration in early September. Both destinations require advance booking. Chobe is particularly famous for its elephant herds, which can number in the hundreds at the riverside in the evenings.
- Is September good for New York or New England?
- Yes. New York in September at 24°C is one of the city's best months: the cultural season opens, the heat is gone, and the city operates particularly energetic. New England, including Vermont and the Berkshires, begins its fall foliage season in the final week of September at higher elevations, offering a preview of October's colour peak with fewer crowds. Boston at 23°C is excellent for walking, eating, and attending the newly opened arts season.
- Which warm-band destinations are reliably dry in September?
- In the 19 to 27 degrees warm band, the driest and most consistent averages in September are: Lima (19 degrees, about 0.6 rain days, swings plus or minus 4 degrees). Also dry, but with a wider day-to-day swing: San Pedro de Atacama (24 degrees, about 0.2 rain days, swings plus or minus 5 degrees); Los Angeles (27 degrees, about 0.3 rain days, swings plus or minus 10 degrees); San Francisco (24 degrees, about 0.4 rain days, swings plus or minus 10 degrees).