Weather in September 2025

Annecy weather in September 2025

The temperatures in Annecy in September are quite cold with temperatures between 9°C and 23°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Annecy 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 Annecy in September 2025.

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

Temperatures
Temperatures
23° / 9°
Rainy Days
Rainy Days
5
Snowy Days
Snowy Days
0
Dry Days
Dry Days
25
Rainfall
Rainfall
100
mm
11.1
Sun Hours
11.1
Hrs

Annecy annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 6° / -2° 10 14 7 173 mm
Awful
February 8° / -2° 8 15 5 119 mm
Awful
March 12° / 1° 7 21 3 123 mm
Awful
April 17° / 4° 6 24 1 102 mm
Good
May 20° / 6° 10 21 0 189 mm
Ok
June 24° / 9° 10 20 0 170 mm
Good
July 26° / 11° 7 24 0 141 mm
Good
August 27° / 11° 6 25 0 120 mm
Perfect
September 23° / 9° 5 25 0 100 mm
Perfect
October 18° / 6° 5 25 0 110 mm
Good
November 12° / 3° 7 21 2 146 mm
Awful
December 7° / -1° 9 17 5 205 mm
Awful
Temperatures in Annecy in September
Rain in Annecy in September

Recommended Hotels in Annecy

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

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

Weather in Annecy in September - FAQ

What is the average temperature in Annecy in September?
The average temperature in Annecy in September is 9/23° C.
What is the chance of rain in Annecy in September?
On average, there are 5 rainy days in Annecy during September.
Weather wise, is September a good time to visit Annecy?
The weather in Annecy in September is perfect.
Can it snow in Annecy in September?
On average, there are 0 snowy days in Annecy in September.
More about the weather in Annecy