Chantilly Weather in September

In Chantilly, September brings pleasant daytime temperatures around 22°C (72°F), with nights cooling to 11°C (52°F). It is the driest month of the year, with minimal rainfall.

Rainfall in Chantilly in September

This month sees the least rain of the year, making it well suited for outdoor adventures. Historically, September sees about 13 days of rain, with a monthly average of 51 mm (2 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Chantilly in September

Chantilly has perfect weather in September, with days reaching 22°C (72°F) and nights cooling to 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Chantilly in September

You can expect a moderate amount of sunlight, with approximately 172 hours. This means a pleasant mix of sun and overcast.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Chantilly.

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 Chantilly's climate page.

Chantilly Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 42%  

Precipitation 51 mm (2 in)  

Rainy days 13 days  

Humidity 77% *  

Sunshine 172 hours *  

Percentage Sunshine 44% *  

* Data from: Paris, France (25 KM, 15 Miles).

What to Wear in Chantilly 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 Chantilly 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 Chantilly's climate page.

More climate data for Chantilly

Temperature Rainfall Sunshine Humidity

See the full Chantilly climate overview or explore weather in France.