Click on a day for an hourly weather forecast
The temperatures in Deauville 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 Deauville 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 Deauville in September 2026.
If you’re planning to visit Deauville in the near future, we highly recommend that you review the 14 day weather forecast for Deauville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 10 | 17 | 4 | 118 mm | Awful | Deauville in January |
| February | 8° / 4° | 9 | 16 | 4 | 92 mm | Awful | Deauville in February |
| March | 11° / 5° | 7 | 23 | 1 | 75 mm | Bad | Deauville in March |
| April | 13° / 7° | 5 | 25 | 1 | 62 mm | Ok | Deauville in April |
| May | 15° / 9° | 6 | 25 | 0 | 83 mm | Good | Deauville in May |
| June | 18° / 12° | 6 | 24 | 0 | 104 mm | Good | Deauville in June |
| July | 21° / 14° | 5 | 26 | 0 | 90 mm | Good | Deauville in July |
| August | 21° / 15° | 5 | 26 | 0 | 93 mm | Good | Deauville in August |
| September | 20° / 13° | 5 | 25 | 0 | 78 mm | Good | Deauville in September |
| October | 16° / 11° | 7 | 24 | 0 | 115 mm | Ok | Deauville in October |
| November | 12° / 8° | 9 | 20 | 1 | 135 mm | Bad | Deauville in November |
| December | 9° / 6° | 10 | 19 | 2 | 147 mm | Awful | Deauville in December |