The temperatures in Niort in September are comfortable with low of 13°C and and high up to 23°C.
You can expect about 3 to 8 days of rain in Niort 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 Niort in September 2026.
If you’re planning to visit Niort in the near future, we highly recommend that you review the 14 day weather forecast for Niort before you arrive.
Temperatures
23° / 13°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
53
mm
Sun Hours
10.5
Hrs
