Click on a day for an hourly weather forecast
The temperatures in Schleswig in September are usually low and can range between 12°C and 18°C.
You can expect about 3 to 8 days of rain in Schleswig 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 Schleswig in September 2026.
If you’re planning to visit Schleswig in the near future, we highly recommend that you review the 14 day weather forecast for Schleswig before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 0° | 9 | 13 | 9 | 99 mm | Awful | Schleswig in January |
| February | 4° / 0° | 8 | 10 | 10 | 85 mm | Awful | Schleswig in February |
| March | 8° / 2° | 7 | 20 | 4 | 73 mm | Awful | Schleswig in March |
| April | 12° / 4° | 6 | 22 | 2 | 56 mm | Bad | Schleswig in April |
| May | 15° / 8° | 7 | 24 | 0 | 92 mm | Ok | Schleswig in May |
| June | 19° / 11° | 6 | 24 | 0 | 112 mm | Good | Schleswig in June |
| July | 21° / 13° | 8 | 23 | 0 | 133 mm | Ok | Schleswig in July |
| August | 21° / 14° | 8 | 23 | 0 | 148 mm | Ok | Schleswig in August |
| September | 18° / 12° | 6 | 24 | 0 | 117 mm | Good | Schleswig in September |
| October | 13° / 8° | 8 | 23 | 0 | 120 mm | Bad | Schleswig in October |
| November | 8° / 5° | 9 | 20 | 1 | 107 mm | Bad | Schleswig in November |
| December | 5° / 2° | 10 | 15 | 6 | 110 mm | Awful | Schleswig in December |