Click on a day for an hourly weather forecast
The temperatures in Sjelland in September are usually low and can range between 12°C and 17°C.
You can expect about 3 to 8 days of rain in Sjelland 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 Sjelland in September 2025.
If you’re planning to visit Sjelland in the near future, we highly recommend that you review the 14 day weather forecast for Sjelland before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 0° | 7 | 12 | 12 | 51 mm | Awful | Sjelland in January |
| February | 3° / -1° | 7 | 10 | 11 | 47 mm | Awful | Sjelland in February |
| March | 7° / 1° | 6 | 20 | 5 | 42 mm | Bad | Sjelland in March |
| April | 11° / 4° | 4 | 25 | 2 | 30 mm | Bad | Sjelland in April |
| May | 15° / 8° | 5 | 26 | 0 | 62 mm | Good | Sjelland in May |
| June | 19° / 11° | 3 | 27 | 0 | 65 mm | Good | Sjelland in June |
| July | 21° / 14° | 5 | 26 | 0 | 79 mm | Good | Sjelland in July |
| August | 21° / 14° | 4 | 27 | 0 | 80 mm | Good | Sjelland in August |
| September | 17° / 12° | 4 | 26 | 0 | 62 mm | Good | Sjelland in September |
| October | 12° / 8° | 6 | 25 | 0 | 62 mm | Ok | Sjelland in October |
| November | 8° / 5° | 7 | 21 | 2 | 58 mm | Awful | Sjelland in November |
| December | 4° / 2° | 7 | 15 | 8 | 58 mm | Awful | Sjelland in December |