Click on a day for an hourly weather forecast
The temperatures in Kiel in September are usually low and can range between 11°C and 18°C.
You can expect about 3 to 8 days of rain in Kiel 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 Kiel in September 2025.
If you’re planning to visit Kiel in the near future, we highly recommend that you review the 14 day weather forecast for Kiel before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 7 | 15 | 9 | 50 mm | Awful | Kiel in January |
| February | 4° / 0° | 7 | 12 | 10 | 45 mm | Awful | Kiel in February |
| March | 8° / 1° | 5 | 22 | 4 | 37 mm | Bad | Kiel in March |
| April | 13° / 4° | 4 | 24 | 2 | 32 mm | Bad | Kiel in April |
| May | 16° / 7° | 4 | 27 | 0 | 67 mm | Good | Kiel in May |
| June | 20° / 11° | 4 | 26 | 0 | 70 mm | Good | Kiel in June |
| July | 22° / 13° | 5 | 26 | 0 | 69 mm | Good | Kiel in July |
| August | 22° / 14° | 4 | 27 | 0 | 63 mm | Good | Kiel in August |
| September | 18° / 11° | 3 | 27 | 0 | 42 mm | Good | Kiel in September |
| October | 13° / 8° | 6 | 25 | 0 | 49 mm | Ok | Kiel in October |
| November | 8° / 4° | 6 | 23 | 1 | 48 mm | Ok | Kiel in November |
| December | 4° / 1° | 6 | 19 | 6 | 51 mm | Awful | Kiel in December |