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Weather in Saint-Tropez for September 2025

Your guide to Saint-Tropez weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Saint-Tropez has been nearly identical to the historical average, with a temperature of 25.4 °C (showing only a slight deviation of -0.4 °C).

  • Expect cooler weather in the next days in Saint-Tropez with the forecast suggesting a temperature of 22 °C, lower than the historical average.

  • 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 18.7 °C by the end of September.

    • Rain 🌧️

  • Saint-Tropez experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 109 mm.

    • More

  • Is September a good time to visit Saint-Tropez? check out the best time to travel to Saint-Tropez page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/17°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Saint-Tropez Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
28°
2
Patchy rain possible
28°
3
Sunny
27°
4
Moderate or heavy rain shower
26°
5
Heavy rain at times
27°
6
Partly cloudy
24°
7
Overcast
25°
8
Moderate or heavy rain shower
25°
9
Sunny
26°
10
Sunny
26°
11
Sunny
27°
12
Partly cloudy
25°
13
Cloudy
22°
14
Partly cloudy
26°
15
Sunny
24°
16
Sunny
29°
17
Sunny
25°
18
Sunny
25°
19
Sunny
25°
20
Sunny
26°
21
Partly cloudy
24°
22
Patchy rain possible
22°
23
Sunny
22°
24
Sunny
17°
25
Sunny
20°
26
Moderate rain
15°
27
Sunny
18°
28
Sunny
20°
29
Partly cloudy
20°
30
Partly cloudy
21°

Temperatures trend during September in Saint-Tropez

See the weather trend as well as the moving average line

September weather in Saint-Tropez day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 28° /20° 3.5 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 28° /19° 0.8 mm 6
3 Sept. Sunny
Sunny
 27° /19° 0 mm 7
4 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /20° 16.2 mm 7
5 Sept. Heavy rain at times
Heavy rain at times
 27° /19° 4.6 mm 7
6 Sept. Partly cloudy
Partly cloudy
 24° /18° 0 mm 6
7 Sept. Overcast
Overcast
 25° /21° 0.1 mm 7
8 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /20° 13.4 mm 6
9 Sept. Sunny
Sunny
 26° /19° 2.6 mm 6
10 Sept. Sunny
Sunny
 26° /18° 3.8 mm 6
11 Sept. Sunny
Sunny
 27° /18° 0 mm 7
12 Sept. Partly cloudy
Partly cloudy
 25° /15° 0 mm 7
13 Sept. Cloudy
Cloudy
 22° /15° 4.8 mm 5
14 Sept. Partly cloudy
Partly cloudy
 26° /15° 0.1 mm 7
15 Sept. Sunny
Sunny
 24° /13° 0 mm 6
16 Sept. Sunny
Sunny
 29° /21° 0 mm 1.3
17 Sept. Sunny
Sunny
 25° /18° 0 mm 1.4
18 Sept. Sunny
Sunny
 25° /19° 0 mm 1.4
19 Sept. Sunny
Sunny
 25° /20° 0 mm 1.4
20 Sept. Sunny
Sunny
 26° /20° 0 mm 1.5
21 Sept. Partly cloudy
Partly cloudy
 24° /20° 0.1 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 22° /18° 1.1 mm 4
23 Sept. Sunny
Sunny
 22° /14° 0 mm 5
24 Sept. Sunny
Sunny
 17° /12° 0 mm 4
25 Sept. Sunny
Sunny
 20° /12° 0 mm 5
26 Sept. Moderate rain
Moderate rain
 15° /12° 8.5 mm 3
27 Sept. Sunny
Sunny
 18° /11° 0.1 mm 4
28 Sept. Sunny
Sunny
 20° /13° 0 mm 5
29 Sept. Partly cloudy
Partly cloudy
 20° /16° 0 mm 5
30 Sept. Partly cloudy
Partly cloudy
 21° /14° 0 mm 6
Next
Important Notice
Our weather forecast for Saint-Tropez in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint-Tropez forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
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Saint-Tropez weather in September vs August vs October

Compare September weather in Saint-Tropez with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures30°/22°24°/17°20°/15°
Rainfall10 mm109 mm314 mm
Wind14.8 km/h24.3 km/h21.3 km/h
Humidity61%63%77%
Rainy days2 days10 days16 days
Dry days29 days20 days15 days

Planning a trip to Saint-Tropez? Discover the best time to visit

Saint-Tropez in September - FAQ

What are the expected maximum and minimum temperatures in Saint-Tropez during September?
During September, expect a variety of temperatures with highs around 24° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint-Tropez during September?
Significant rainfall exceeding 109 mm is expected in Saint-Tropez during September, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint-Tropez during September?
The average wind speed in Saint-Tropez during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

Saint-Tropez water temperatures in September

The average water temperature of the Mediterranean Sea near Saint-Tropez in September is 22.6 °C. Temperatures remain fairly consistent throughout the month.

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

Explore the daily rainfall trends and prepare for Saint-Tropezs September weather 💧

UV exposure in Saint-Tropez during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Saint-Tropez?

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.

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