Boissy-Saint-Léger Weather in September

Boissy-Saint-Léger in September sees high daytime temperatures of 22°C (72°F) and nighttime lows of 11°C (52°F). With just 55 mm (2.2 in) of rainfall on average, it's the driest month of the year.

Rainfall in Boissy-Saint-Léger in September

With the lowest rainfall figures of the year, conditions are ideal for exploring the outdoors. Typically around 12 days of rainfall are expected, averaging 55 mm (2.2 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Boissy-Saint-Léger in September

September is a perfect month in Boissy-Saint-Léger, with 22°C (72°F) during the day and 11°C (52°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Boissy-Saint-Léger in September

The area experiences a moderate amount of sunshine, with approximately 172 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Boissy-Saint-Léger in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Boissy-Saint-Léger.

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For a detailed overview over the year and the best time to visit France, check out our Boissy-Saint-Léger's climate page.

Boissy-Saint-Léger Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 40%  

Precipitation 55 mm (2.2 in)  

Rainy days 12 days  

Humidity 77% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 172 hours *  

Percentage Sunshine 44% *  

* Data from: Paris, France (24 KM, 15 Miles).

What to Wear in Boissy-Saint-Léger in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Boissy-Saint-Léger in September

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

Swimming

6/10

Cycling

10/10

Walking

10/10

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 Boissy-Saint-Léger's climate page.

More climate data for Boissy-Saint-Léger

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Boissy-Saint-Léger climate overview or explore weather in France.