Weather in Saint-Tropez for September 2026
- In general, the average temperature in Saint-Tropez at the beginning of September is 26.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.4 °C by the end of September. 
- Saint-Tropez experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 109 mm. 
- Is September a good time to visit Saint-Tropez? check out the best time to travel to Saint-Tropez page. 
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Saint-Tropez Weather September
Temperatures trend during September in Saint-Tropez
September weather in Saint-Tropez day by day
| Date | Weather | Temperatures | Rain | UV | More | 
|---|---|---|---|---|---|
| 1 Sept. | Partly cloudy | 28° /20° | 3.5 mm | 7 | |
| 2 Sept. | Patchy rain possible | 28° /19° | 0.8 mm | 6 | |
| 3 Sept. | Sunny | 27° /19° | 0 mm | 7 | |
| 4 Sept. | Moderate or heavy rain shower | 26° /20° | 16.2 mm | 7 | |
| 5 Sept. | Heavy rain at times | 27° /19° | 4.6 mm | 7 | |
| 6 Sept. | Partly cloudy | 24° /18° | 0 mm | 6 | |
| 7 Sept. | Overcast | 25° /21° | 0.1 mm | 7 | |
| 8 Sept. | Moderate or heavy rain shower | 25° /20° | 13.4 mm | 6 | |
| 9 Sept. | Sunny | 26° /19° | 2.6 mm | 6 | |
| 10 Sept. | Sunny | 26° /18° | 3.8 mm | 6 | |
| 11 Sept. | Sunny | 27° /18° | 0 mm | 7 | |
| 12 Sept. | Partly cloudy | 25° /15° | 0 mm | 7 | |
| 13 Sept. | Cloudy | 22° /15° | 4.8 mm | 5 | |
| 14 Sept. | Partly cloudy | 26° /15° | 0.1 mm | 7 | |
| 15 Sept. | Sunny | 24° /16° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 26° /17° | 0 mm | 7 | |
| 17 Sept. | Moderate or heavy rain shower | 23° /15° | 3.2 mm | 6 | |
| 18 Sept. | Heavy rain at times | 23° /16° | 0.7 mm | 6 | |
| 19 Sept. | Partly cloudy | 24° /17° | 0 mm | 7 | |
| 20 Sept. | Sunny | 25° /17° | 0 mm | 7 | |
| 21 Sept. | Partly cloudy | 23° /19° | 0.1 mm | 6 | |
| 22 Sept. | Moderate rain at times | 23° /18° | 7.7 mm | 5 | |
| 23 Sept. | Moderate or heavy rain shower | 22° /16° | 9.8 mm | 5 | |
| 24 Sept. | Moderate rain at times | 21° /15° | 0.9 mm | 5 | |
| 25 Sept. | Sunny | 22° /13° | 0 mm | 6 | |
| 26 Sept. | Moderate rain at times | 21° /16° | 3.2 mm | 6 | |
| 27 Sept. | Sunny | 23° /15° | 0 mm | 6 | |
| 28 Sept. | Sunny | 21° /13° | 0 mm | 6 | |
| 29 Sept. | Cloudy | 21° /13° | 0 mm | 6 | |
| 30 Sept. | Partly cloudy | 21° /14° | 0 mm | 6 | |
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Saint-Tropez weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible | 
| Temperatures | 30°/22° | 24°/17° | 20°/15° | 
| Rainfall | 10 mm | 109 mm | 314 mm | 
| Wind | 14.8 km/h | 24.3 km/h | 21.3 km/h | 
| Humidity | 61% | 63% | 77% | 
| Rainy days | 2 days | 10 days | 16 days | 
| Dry days | 29 days | 20 days | 15 days | 
Planning a trip to Saint-Tropez? Discover the best time to visit
Saint-Tropez in September - FAQ
Saint-Tropez water temperatures in September
The average water temperature of the Mediterranean Sea near Saint-Tropez in September is 22.6 °C. At the beginning of September temperatures are around 22.6 °C; by the end of the month they stay fairly steady and reach 22.6 °C.
- What is the water temperature in Saint-Tropez in September?
- The average water temperature in Saint-Tropez in September is 22.6 °C.
- Can you swim in Saint-Tropez in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
What to pack to Saint-Tropez in September?
As you prepare for your trip to Saint-Tropez in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Saint-Tropez, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
 
- Footwear- Waterproof Shoes
 
- Accessories- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
 
September rainfall patterns in Saint-Tropez
UV exposure in Saint-Tropez during September
Quick links
Get accurate weather forecasts for Saint-Tropez, located at latitude 43.268 and longitude 6.64. Stay updated with localized weather information tailored for Saint-Tropez.