SeasonMapAix-en-Provence (Provence) weather in September
France
September in Aix-en-Provence: warm, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Aix-en-Provence · #160 of 1383 destinations to visit in September · comfort 91/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Aix-en-Provence in September
Notes from nearby Nice (148 km away)
Aix-en-Provence doesn't have its own notes for September yet — these are about Nice, close enough to share the season.
September is the Côte d'Azur's own favourite month, per the forum: still summer weather at around 25°C without August's heatwave risk, the crowds thinning, and everything — including in the smaller towns and villages — still open. The sea is the real argument: it has been warming all summer and is at its best now, near 24°C, with regulars saying swimming holds up into the third week of October and sometimes beyond. Wind is usually no more than a light sea breeze. One practical warning that catches people out — Nice's beaches are large pebbles rather than sand, so buy the cheap beach shoes locally.
Other months in Aix-en-Provence
Aix-en-Provence's forum calls April-May the nicest stretch of the year for Provence, with late-May days typically 24-28°C and cool enough evenings for a light jacket. Regulars are honest that May can still run cool or bring rain some years, so packing waterproofs alongside summer layers is standard advice — the payoff is far smaller crowds than high summer.
Add your own note from Aix-en-Provence's card on the map.
Aix-en-Provence climate normals — September
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 60°F | |
| Feels like (high) | 25°C / 77°F | |
| Sea temperature | 22°C / 72°F | 🙂 pleasant |
| Rainfall | 55 mm / 2.2 in | 🌦 some rain |
| Rainy days | 5 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 12.5 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Aix-en-Provence in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 3 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Aix-en-Provence's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherAix-en-Provence's best weather comes in May, June and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Aix-en-Provence in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Vendanges in the Coteaux d'Aix
25 Aug – 10 Oct · usuallyHarvestPicking runs from the end of August into early October across the hills either side of the town. Estates that take visitors often shut the tasting room while the crop is in, so ring ahead.
Nearby, and something's on
Within 300 km of Aix-en-Provence — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Aix-en-Provence?
Aix-en-Provence in September — FAQ
- Is September a good time to visit Aix-en-Provence?
- September in Aix-en-Provence: warm, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Aix-en-Provence on SeasonMap's comfort score (91/100).
- What is the weather like in Aix-en-Provence in September?
- In September, Aix-en-Provence averages a daily high of 25.6°C and a low of 15.3°C, with about 55.3 mm of rain over roughly 5.1 rainy days.
- What is the air quality in Aix-en-Provence in September?
- Aix-en-Provence has a mean US Air Quality Index of about 41 in September.
Other months in Aix-en-Provence
Compare Aix-en-Provence in September
Warmer or cooler than Aix-en-Provence in September
Similar destinations in Western Europe — September
Within 300 km: Saint-Tropez's Les Voiles de Saint-Tropez on 26 Sep – 4 Oct, and Val d'Isère's Col de l'Iseran opens around 10 Jun – 2 Nov.