Click on a day for an hourly weather forecast
The temperatures in Solna in September are usually low and can range between 10°C and 16°C.
The wather in Solna 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 Solna in September 2025.
If you’re planning to visit Solna in the near future, we highly recommend that you review the 14 day weather forecast for Solna before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -3° | 5 | 11 | 15 | 27 mm | Awful | Solna in January |
| February | 0° / -3° | 3 | 11 | 14 | 22 mm | Awful | Solna in February |
| March | 4° / -1° | 5 | 15 | 11 | 20 mm | Awful | Solna in March |
| April | 9° / 3° | 3 | 23 | 4 | 17 mm | Bad | Solna in April |
| May | 14° / 7° | 3 | 27 | 1 | 28 mm | Good | Solna in May |
| June | 18° / 11° | 2 | 28 | 0 | 35 mm | Good | Solna in June |
| July | 21° / 14° | 2 | 29 | 0 | 40 mm | Good | Solna in July |
| August | 20° / 14° | 3 | 28 | 0 | 38 mm | Good | Solna in August |
| September | 16° / 10° | 2 | 28 | 0 | 26 mm | Good | Solna in September |
| October | 10° / 6° | 4 | 26 | 1 | 33 mm | Ok | Solna in October |
| November | 6° / 3° | 5 | 21 | 4 | 31 mm | Awful | Solna in November |
| December | 2° / -1° | 5 | 15 | 11 | 28 mm | Awful | Solna in December |