Click on a day for an hourly weather forecast
The temperatures in Strangnas in September are quite cold with temperatures between 9°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Strangnas 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 Strangnas in September 2025.
If you’re planning to visit Strangnas in the near future, we highly recommend that you review the 14 day weather forecast for Strangnas before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -4° | 5 | 8 | 18 | 60 mm | Awful | Strangnas in January |
| February | 0° / -5° | 5 | 8 | 15 | 51 mm | Awful | Strangnas in February |
| March | 4° / -2° | 6 | 13 | 12 | 48 mm | Awful | Strangnas in March |
| April | 10° / 2° | 5 | 21 | 4 | 46 mm | Bad | Strangnas in April |
| May | 15° / 6° | 6 | 24 | 1 | 76 mm | Good | Strangnas in May |
| June | 19° / 11° | 6 | 24 | 0 | 88 mm | Good | Strangnas in June |
| July | 22° / 13° | 6 | 25 | 0 | 100 mm | Good | Strangnas in July |
| August | 21° / 12° | 6 | 25 | 0 | 90 mm | Good | Strangnas in August |
| September | 16° / 9° | 4 | 26 | 0 | 61 mm | Good | Strangnas in September |
| October | 10° / 5° | 7 | 23 | 1 | 83 mm | Bad | Strangnas in October |
| November | 5° / 2° | 8 | 18 | 5 | 71 mm | Awful | Strangnas in November |
| December | 1° / -3° | 7 | 11 | 14 | 65 mm | Awful | Strangnas in December |