Click on a day for an hourly weather forecast
The temperatures in Hildesheim in September are usually low and can range between 11°C and 20°C.
You can expect about 3 to 8 days of rain in Hildesheim 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 Hildesheim in September 2026.
If you’re planning to visit Hildesheim in the near future, we highly recommend that you review the 14 day weather forecast for Hildesheim before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 9 | 11 | 12 | 68 mm | Awful | Hildesheim in January |
| February | 5° / -1° | 7 | 12 | 9 | 52 mm | Awful | Hildesheim in February |
| March | 9° / 2° | 7 | 20 | 4 | 54 mm | Awful | Hildesheim in March |
| April | 15° / 4° | 4 | 24 | 2 | 41 mm | Ok | Hildesheim in April |
| May | 18° / 7° | 5 | 26 | 0 | 81 mm | Good | Hildesheim in May |
| June | 22° / 11° | 5 | 25 | 0 | 89 mm | Good | Hildesheim in June |
| July | 24° / 13° | 6 | 25 | 0 | 93 mm | Perfect | Hildesheim in July |
| August | 24° / 14° | 4 | 27 | 0 | 76 mm | Perfect | Hildesheim in August |
| September | 20° / 11° | 4 | 26 | 0 | 56 mm | Good | Hildesheim in September |
| October | 14° / 7° | 5 | 26 | 0 | 60 mm | Good | Hildesheim in October |
| November | 9° / 4° | 6 | 22 | 2 | 52 mm | Bad | Hildesheim in November |
| December | 5° / 1° | 8 | 16 | 7 | 64 mm | Awful | Hildesheim in December |