Click on a day for an hourly weather forecast
The temperatures in Noirmoutier in September are comfortable with low of 13°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Noirmoutier 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 Noirmoutier in September 2026.
If you’re planning to visit Noirmoutier in the near future, we highly recommend that you review the 14 day weather forecast for Noirmoutier before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 5° | 8 | 22 | 1 | 117 mm | Bad | Noirmoutier in January |
| February | 10° / 5° | 8 | 19 | 1 | 106 mm | Bad | Noirmoutier in February |
| March | 12° / 6° | 6 | 25 | 0 | 72 mm | Ok | Noirmoutier in March |
| April | 15° / 7° | 4 | 26 | 0 | 67 mm | Good | Noirmoutier in April |
| May | 17° / 10° | 4 | 27 | 0 | 68 mm | Good | Noirmoutier in May |
| June | 21° / 13° | 5 | 25 | 0 | 79 mm | Good | Noirmoutier in June |
| July | 23° / 15° | 4 | 27 | 0 | 57 mm | Perfect | Noirmoutier in July |
| August | 23° / 15° | 4 | 27 | 0 | 61 mm | Perfect | Noirmoutier in August |
| September | 21° / 13° | 3 | 27 | 0 | 49 mm | Good | Noirmoutier in September |
| October | 17° / 11° | 6 | 25 | 0 | 112 mm | Good | Noirmoutier in October |
| November | 13° / 9° | 7 | 22 | 0 | 137 mm | Bad | Noirmoutier in November |
| December | 11° / 7° | 9 | 22 | 0 | 145 mm | Bad | Noirmoutier in December |