Typical average daily weather in Niort throughout the month of September is 16 with a normal high in the month being 23 degrees celsius and a low of 12 celsius.
| Month | Degrees Celsius |
|---|---|
| Temperature | 16 |
| High Temperature | 23 |
| Low Temperature | 12 |
| Sunshine Per Day | 9 |
Useful Links: Niort Weather: Average Weather & Yearly Climate