Click on a day for an hourly weather forecast
The temperatures in Normandy in September are usually low and can range between 12°C and 19°C.
There’s going to be many days of rain during the month of September in Normandy.
Normandy should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Normandy in September 2025.
If you’re planning to visit Normandy in the near future, we highly recommend that you review the 14 day weather forecast for Normandy before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 4° | 22 | 9 | 2 | 41 mm | Bad | Normandy in January |
| February | 8° / 4° | 19 | 9 | 3 | 43 mm | Bad | Normandy in February |
| March | 10° / 5° | 19 | 12 | 1 | 35 mm | Ok | Normandy in March |
| April | 13° / 6° | 17 | 13 | 0 | 30 mm | Ok | Normandy in April |
| May | 15° / 9° | 18 | 13 | 0 | 33 mm | Good | Normandy in May |
| June | 18° / 11° | 19 | 11 | 0 | 48 mm | Good | Normandy in June |
| July | 20° / 13° | 17 | 14 | 0 | 33 mm | Good | Normandy in July |
| August | 21° / 14° | 17 | 14 | 0 | 40 mm | Good | Normandy in August |
| September | 19° / 12° | 15 | 15 | 0 | 28 mm | Good | Normandy in September |
| October | 16° / 10° | 19 | 12 | 0 | 51 mm | Good | Normandy in October |
| November | 11° / 7° | 20 | 10 | 1 | 53 mm | Bad | Normandy in November |
| December | 9° / 5° | 21 | 10 | 2 | 51 mm | Bad | Normandy in December |