Saint-Jean-le-Thomas Weather in September

During September, Saint-Jean-le-Thomas experiences pleasant daytime temperatures of 20°C (68°F) and cooler nights around 14°C (57°F). As part of the summer season, expect quite a bit of rainfall. Around 98 mm (3.9 in) is typical.

Rainfall in Saint-Jean-le-Thomas in September

You can expect rain on roughly 13 days based on historical data, averaging 98 mm (3.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Saint-Jean-le-Thomas in September

Weather in Saint-Jean-le-Thomas is at its excellent in September. Highs reach 20°C (68°F), while nights settle around 14°C (57°F). During September, the summer season is in full swing. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 14°C (57°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 Saint-Jean-le-Thomas in September

The month brings about 169 hours of sunlight, offering a comfortable mix of sun and overcast.

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 Saint-Jean-le-Thomas's climate page.

Saint-Jean-le-Thomas Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 42%  

Precipitation 98 mm (3.9 in)  

Rainy days 13 days  

Humidity 82% *  

Sunshine 169 hours *  

Percentage Sunshine *  

* Data from: Saint Malo, France (37 KM, 23 Miles).

What to Wear in Saint-Jean-le-Thomas in September

For Saint-Jean-le-Thomas 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Saint-Jean-le-Thomas in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

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 Saint-Jean-le-Thomas's climate page.

More climate data for Saint-Jean-le-Thomas

Temperature Rainfall Sunshine Humidity

See the full Saint-Jean-le-Thomas climate overview or explore weather in France.