Weather in September 2025

Chantilly weather in September 2025

The temperatures in Chantilly in September are comfortable with low of 16°C and and high up to 27°C.

You can expect about 3 to 8 days of rain in Chantilly during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Chantilly in September 2025.

If you’re planning to visit Chantilly in the near future, we highly recommend that you review the 14 day weather forecast for Chantilly before you arrive.

Temperatures
Temperatures
27° / 16°
Rainy Days
Rainy Days
6
Snowy Days
Snowy Days
0
Dry Days
Dry Days
24
Rainfall
Rainfall
120
mm
10.0
Sun Hours
10.0
Hrs

Chantilly annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 4° / -3° 6 18 7 103 mm
Awful
February 7° / -2° 7 15 7 118 mm
Awful
March 12° / 3° 8 19 4 124 mm
Awful
April 18° / 8° 8 22 1 122 mm
Ok
May 24° / 13° 9 22 0 158 mm
Good
June 29° / 18° 6 24 0 128 mm
Good
July 32° / 20° 6 25 0 139 mm
Good
August 31° / 20° 7 25 0 139 mm
Ok
September 27° / 16° 6 24 0 120 mm
Perfect
October 20° / 11° 5 26 0 141 mm
Good
November 12° / 4° 5 24 1 102 mm
Ok
December 8° / 1° 6 21 4 133 mm
Bad
Temperatures in Chantilly in September
Rain in Chantilly in September

Recommended Hotels in Chantilly

We know that finding the ideal hotel in Chantilly can be a hard task...

That’s why we run our special tools and found the best hotels in Chantilly. Click on hotel for more details.

Weather in Chantilly in September - FAQ

What is the average temperature in Chantilly in September?
The average temperature in Chantilly in September is 16/27° C.
What is the chance of rain in Chantilly in September?
On average, there are 6 rainy days in Chantilly during September.
Weather wise, is September a good time to visit Chantilly?
The weather in Chantilly in September is perfect.
Can it snow in Chantilly in September?
On average, there are 0 snowy days in Chantilly in September.
More about the weather in Chantilly