Click on a day for an hourly weather forecast
The temperatures in Sodermanland in September are quite cold with temperatures between 9°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sodermanland 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 Sodermanland in September 2025.
If you’re planning to visit Sodermanland in the near future, we highly recommend that you review the 14 day weather forecast for Sodermanland before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -4° | 5 | 10 | 16 | 40 mm | Awful | Sodermanland in January |
| February | 0° / -5° | 4 | 10 | 15 | 38 mm | Awful | Sodermanland in February |
| March | 4° / -2° | 5 | 14 | 12 | 34 mm | Awful | Sodermanland in March |
| April | 10° / 2° | 4 | 21 | 5 | 37 mm | Bad | Sodermanland in April |
| May | 16° / 6° | 5 | 25 | 1 | 58 mm | Good | Sodermanland in May |
| June | 20° / 10° | 5 | 25 | 0 | 76 mm | Good | Sodermanland in June |
| July | 22° / 13° | 6 | 25 | 0 | 96 mm | Good | Sodermanland in July |
| August | 21° / 12° | 5 | 26 | 0 | 76 mm | Good | Sodermanland in August |
| September | 17° / 9° | 4 | 26 | 0 | 50 mm | Good | Sodermanland in September |
| October | 10° / 5° | 7 | 24 | 1 | 59 mm | Bad | Sodermanland in October |
| November | 5° / 2° | 5 | 20 | 5 | 50 mm | Awful | Sodermanland in November |
| December | 1° / -3° | 5 | 13 | 14 | 47 mm | Awful | Sodermanland in December |