Click on a day for an hourly weather forecast
The temperatures in Kassel in September are usually low and can range between 10°C and 19°C.
You can expect about 3 to 8 days of rain in Kassel 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 Kassel in September 2025.
If you’re planning to visit Kassel in the near future, we highly recommend that you review the 14 day weather forecast for Kassel before you arrive.
Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
---|---|---|---|---|---|---|---|
January | 2° / -2° | 8 | 10 | 14 | 83 mm | Awful | Kassel in January |
February | 4° / -2° | 7 | 11 | 11 | 63 mm | Awful | Kassel in February |
March | 9° / 1° | 8 | 17 | 6 | 62 mm | Awful | Kassel in March |
April | 14° / 4° | 5 | 23 | 2 | 50 mm | Ok | Kassel in April |
May | 18° / 7° | 7 | 24 | 0 | 108 mm | Ok | Kassel in May |
June | 22° / 10° | 6 | 24 | 0 | 105 mm | Good | Kassel in June |
July | 24° / 12° | 6 | 25 | 0 | 113 mm | Perfect | Kassel in July |
August | 24° / 13° | 5 | 26 | 0 | 96 mm | Perfect | Kassel in August |
September | 19° / 10° | 4 | 26 | 0 | 68 mm | Good | Kassel in September |
October | 13° / 6° | 7 | 24 | 0 | 68 mm | Bad | Kassel in October |
November | 8° / 3° | 7 | 20 | 3 | 62 mm | Awful | Kassel in November |
December | 4° / 0° | 9 | 14 | 9 | 80 mm | Awful | Kassel in December |