Click on a day for an hourly weather forecast
The temperatures in Sweden in September are usually low and can range between 10°C and 16°C.
The wather in Sweden in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Sweden in September 2025.
If you’re planning to visit Sweden in the near future, we highly recommend that you review the 14 day weather forecast for Sweden before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -3° | 5 | 11 | 15 | 27 mm | Awful | Sweden in January |
| February | 0° / -3° | 3 | 11 | 14 | 22 mm | Awful | Sweden in February |
| March | 4° / -1° | 5 | 15 | 11 | 20 mm | Awful | Sweden in March |
| April | 9° / 3° | 3 | 23 | 4 | 17 mm | Bad | Sweden in April |
| May | 14° / 7° | 3 | 27 | 1 | 28 mm | Good | Sweden in May |
| June | 18° / 11° | 2 | 28 | 0 | 35 mm | Good | Sweden in June |
| July | 21° / 14° | 2 | 29 | 0 | 40 mm | Good | Sweden in July |
| August | 20° / 14° | 3 | 28 | 0 | 38 mm | Good | Sweden in August |
| September | 16° / 10° | 2 | 28 | 0 | 26 mm | Good | Sweden in September |
| October | 10° / 6° | 4 | 26 | 1 | 33 mm | Ok | Sweden in October |
| November | 6° / 3° | 5 | 21 | 4 | 31 mm | Awful | Sweden in November |
| December | 2° / -1° | 5 | 15 | 11 | 28 mm | Awful | Sweden in December |