Click on a day for an hourly weather forecast
The temperatures in Rendsburg 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 Rendsburg 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 Rendsburg in September 2026.
If you’re planning to visit Rendsburg in the near future, we highly recommend that you review the 14 day weather forecast for Rendsburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 0° | 8 | 13 | 9 | 50 mm | Awful | Rendsburg in January |
| February | 4° / 0° | 7 | 12 | 10 | 44 mm | Awful | Rendsburg in February |
| March | 8° / 2° | 5 | 22 | 4 | 38 mm | Bad | Rendsburg in March |
| April | 12° / 4° | 4 | 24 | 2 | 31 mm | Bad | Rendsburg in April |
| May | 16° / 7° | 4 | 27 | 0 | 58 mm | Good | Rendsburg in May |
| June | 19° / 11° | 4 | 26 | 0 | 62 mm | Good | Rendsburg in June |
| July | 22° / 13° | 4 | 27 | 0 | 60 mm | Good | Rendsburg in July |
| August | 22° / 14° | 4 | 27 | 0 | 60 mm | Good | Rendsburg in August |
| September | 18° / 11° | 3 | 27 | 0 | 49 mm | Good | Rendsburg in September |
| October | 13° / 8° | 5 | 26 | 0 | 53 mm | Ok | Rendsburg in October |
| November | 8° / 4° | 6 | 23 | 1 | 51 mm | Ok | Rendsburg in November |
| December | 5° / 1° | 7 | 19 | 6 | 51 mm | Awful | Rendsburg in December |