The temperatures in Grenoble in September are quite cold with temperatures between 9°C and 18°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Grenoble 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 Grenoble in September 2024.
If you’re planning to visit Grenoble in the near future, we highly recommend that you review the 14 day weather forecast for Grenoble before you arrive.
Temperatures
18° / 9°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
90
mm
Sun Hours
10.3
Hrs
