Click on a day for an hourly weather forecast
The temperatures in French Riviera in September are comfortable with low of 18°C and and high up to 24°C.
You can expect a few rainy days in French Riviera during September, but usually the weather is comfortable in September.
Our weather forecast can give you a great sense of what weather to expect in French Riviera in September 2025.
If you’re planning to visit French Riviera in the near future, we highly recommend that you review the 14 day weather forecast for French Riviera before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 12° / 7° | 4 | 27 | 0 | 62 mm | Ok | French Riviera in January |
| February | 12° / 7° | 4 | 24 | 1 | 76 mm | Ok | French Riviera in February |
| March | 14° / 9° | 4 | 27 | 0 | 68 mm | Good | French Riviera in March |
| April | 17° / 11° | 3 | 27 | 0 | 82 mm | Good | French Riviera in April |
| May | 20° / 14° | 3 | 28 | 0 | 71 mm | Good | French Riviera in May |
| June | 24° / 18° | 3 | 27 | 0 | 54 mm | Perfect | French Riviera in June |
| July | 27° / 21° | 2 | 29 | 0 | 41 mm | Perfect | French Riviera in July |
| August | 28° / 21° | 2 | 29 | 0 | 31 mm | Perfect | French Riviera in August |
| September | 24° / 18° | 2 | 28 | 0 | 57 mm | Perfect | French Riviera in September |
| October | 20° / 15° | 4 | 27 | 0 | 129 mm | Good | French Riviera in October |
| November | 16° / 11° | 5 | 25 | 0 | 179 mm | Good | French Riviera in November |
| December | 13° / 8° | 3 | 28 | 0 | 93 mm | Ok | French Riviera in December |