Click on a day for an hourly weather forecast
The temperatures in Braunschweig 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 Braunschweig 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 Braunschweig in September 2025.
If you’re planning to visit Braunschweig in the near future, we highly recommend that you review the 14 day weather forecast for Braunschweig before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 9 | 11 | 12 | 73 mm | Awful | Braunschweig in January |
| February | 4° / -1° | 7 | 12 | 9 | 54 mm | Awful | Braunschweig in February |
| March | 9° / 2° | 7 | 19 | 5 | 57 mm | Awful | Braunschweig in March |
| April | 14° / 5° | 5 | 24 | 2 | 42 mm | Ok | Braunschweig in April |
| May | 17° / 8° | 5 | 26 | 0 | 89 mm | Good | Braunschweig in May |
| June | 21° / 11° | 6 | 24 | 0 | 100 mm | Good | Braunschweig in June |
| July | 23° / 13° | 6 | 25 | 0 | 106 mm | Perfect | Braunschweig in July |
| August | 24° / 14° | 4 | 27 | 0 | 85 mm | Perfect | Braunschweig in August |
| September | 20° / 11° | 4 | 26 | 0 | 61 mm | Good | Braunschweig in September |
| October | 14° / 7° | 5 | 25 | 0 | 69 mm | Good | Braunschweig in October |
| November | 8° / 4° | 7 | 21 | 2 | 56 mm | Awful | Braunschweig in November |
| December | 5° / 1° | 7 | 17 | 7 | 67 mm | Awful | Braunschweig in December |