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 excellent 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.