SeasonMapSaint-Tropez weather in September
France
September in Saint-Tropez: warm, a little rain, with clean air — an excellent time to visit.
#4 of 12 months in Saint-Tropez · #284 of 1383 destinations to visit in September · comfort 89/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Saint-Tropez in September
Notes from nearby Nice (70 km away)
Saint-Tropez 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 Saint-Tropez
Saint-Tropez's forum calls mid-July warm, afternoons approaching 30°C with moderate humidity, but the real story is the crowds — traffic and parking become genuinely difficult by mid-month as the village fills up through late August. Regulars suggest early June as a quieter, slightly cooler alternative for anyone prioritizing ease of getting around over guaranteed heat.
Add your own note from Saint-Tropez's card on the map.
Saint-Tropez climate normals — September
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Feels like (high) | 27°C / 81°F | |
| Sea temperature | 24°C / 75°F | 🙂 pleasant |
| Rainfall | 55 mm / 2.2 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 68% | 💧 humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.5 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Saint-Tropez 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.
BusyLes Voiles de Saint-Tropez, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Saint-Tropez'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).
Fair weatherSaint-Tropez's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Saint-Tropez in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sea warm enough to swim
10 Jun – 5 Oct · usuallyThe gulf is swimmable from June into early October. Pampelonne is the name everyone knows; the small coves on the coastal path east of town are where you can put a towel down in August.
- Festival
Les Voiles de Saint-Tropez
26 Sep – 4 OctMajor festivalCrowdedClassic and modern yachts race in the gulf for nine days at the end of September, and the town gets a second, better-tempered high season out of it. The mole is the free grandstand. Source ↗
Nearby, and something's on
Within 300 km of Saint-Tropez — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Saint-Tropez?
Saint-Tropez in September — FAQ
- Is September a good time to visit Saint-Tropez?
- September in Saint-Tropez: warm, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Saint-Tropez on SeasonMap's comfort score (89/100).
- What is the weather like in Saint-Tropez in September?
- In September, Saint-Tropez averages a daily high of 26.8°C and a low of 16.9°C, with about 54.7 mm of rain over roughly 5.6 rainy days.
- What is the air quality in Saint-Tropez in September?
- Saint-Tropez has a mean US Air Quality Index of about 50 in September.
Other months in Saint-Tropez
Compare Saint-Tropez in September
Warmer or cooler than Saint-Tropez in September
Similar destinations in Western Europe — September
Within 300 km: Val d'Isère's Col de l'Iseran opens around 10 Jun – 2 Nov, and Cinque Terre's Terrace grape harvest around 5 Sep – 15 Oct.