Click on a day for an hourly weather forecast
The temperatures in Trouville 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 Trouville 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 Trouville in September 2026.
If you’re planning to visit Trouville in the near future, we highly recommend that you review the 14 day weather forecast for Trouville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 10 | 17 | 4 | 118 mm | Awful | Trouville in January |
| February | 8° / 4° | 9 | 16 | 4 | 92 mm | Awful | Trouville in February |
| March | 11° / 5° | 7 | 23 | 1 | 75 mm | Bad | Trouville in March |
| April | 13° / 7° | 5 | 25 | 1 | 62 mm | Ok | Trouville in April |
| May | 15° / 9° | 6 | 25 | 0 | 83 mm | Good | Trouville in May |
| June | 19° / 12° | 6 | 24 | 0 | 98 mm | Good | Trouville in June |
| July | 21° / 14° | 5 | 26 | 0 | 84 mm | Good | Trouville in July |
| August | 22° / 15° | 5 | 26 | 0 | 88 mm | Good | Trouville in August |
| September | 20° / 13° | 5 | 25 | 0 | 78 mm | Good | Trouville in September |
| October | 16° / 11° | 7 | 24 | 0 | 115 mm | Ok | Trouville in October |
| November | 12° / 8° | 9 | 20 | 1 | 135 mm | Bad | Trouville in November |
| December | 9° / 6° | 10 | 19 | 2 | 147 mm | Awful | Trouville in December |