Click on a day for an hourly weather forecast
The temperatures in Sarzeau in September are usually low and can range between 13°C and 20°C.
You can expect about 3 to 8 days of rain in Sarzeau 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 Sarzeau in September 2026.
If you’re planning to visit Sarzeau in the near future, we highly recommend that you review the 14 day weather forecast for Sarzeau before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 6° | 8 | 22 | 1 | 126 mm | Bad | Sarzeau in January |
| February | 10° / 5° | 8 | 19 | 1 | 114 mm | Bad | Sarzeau in February |
| March | 12° / 6° | 6 | 25 | 0 | 75 mm | Ok | Sarzeau in March |
| April | 14° / 8° | 5 | 25 | 0 | 74 mm | Good | Sarzeau in April |
| May | 16° / 10° | 4 | 27 | 0 | 75 mm | Good | Sarzeau in May |
| June | 20° / 13° | 5 | 25 | 0 | 90 mm | Good | Sarzeau in June |
| July | 21° / 15° | 4 | 27 | 0 | 65 mm | Good | Sarzeau in July |
| August | 21° / 15° | 5 | 26 | 0 | 74 mm | Good | Sarzeau in August |
| September | 20° / 13° | 3 | 27 | 0 | 52 mm | Good | Sarzeau in September |
| October | 17° / 12° | 6 | 25 | 0 | 131 mm | Good | Sarzeau in October |
| November | 13° / 9° | 8 | 22 | 0 | 139 mm | Bad | Sarzeau in November |
| December | 11° / 7° | 9 | 21 | 0 | 144 mm | Bad | Sarzeau in December |