La Seyne-sur-Mer Weather in September

September in La Seyne-sur-Mer sees daytime temperatures around 24°C (75°F) and lows of 18°C (64°F) at night. With around 67 mm (2.6 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in La Seyne-sur-Mer in September

You can expect rain on around 6 days based on historical patterns, with 67 mm (2.6 in) average for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in La Seyne-sur-Mer in September

September in La Seyne-sur-Mer is generally perfect, with days reaching 24°C (75°F) and nights settling around 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in La Seyne-sur-Mer in September

With approximately 263 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Average water temperature in September

The water sits at 21°C (70°F), which is a nice temperature for swimming. Not too cold, not too warm — most visitors are happy to spend time in the water.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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For a detailed overview over the year and the best time to visit France, check out our La Seyne-sur-Mer's climate page.

La Seyne-sur-Mer Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 24°C (75°F)  

Water Temperature 21°C (70°F) *  

Chance of Rain 20%  

Precipitation 67 mm (2.6 in)  

Rainy days 6 days  

Humidity 56% *  

Sunshine 263 hours *  

Percentage Sunshine 70% *  

* Data from: Toulon, France (4 KM, 2 Miles).

What to Wear in La Seyne-sur-Mer in September

For La Seyne-sur-Mer in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 21°C (70°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in La Seyne-sur-Mer in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

10/10

Walking

10/10

Barbeque

8/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit France, check out our La Seyne-sur-Mer's climate page.

More climate data for La Seyne-sur-Mer

Temperature Rainfall Sunshine Humidity Water Temp

See the full La Seyne-sur-Mer climate overview or explore weather in France.