Click on a day for an hourly weather forecast
The temperatures in Tornio in September are quite cold with temperatures between 8°C and 12°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Tornio 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 Tornio in September 2026.
If you’re planning to visit Tornio in the near future, we highly recommend that you review the 14 day weather forecast for Tornio before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -7° / -11° | 3 | 7 | 22 | 72 mm | Awful | Tornio in January |
| February | -6° / -11° | 2 | 7 | 19 | 64 mm | Awful | Tornio in February |
| March | -2° / -8° | 5 | 7 | 19 | 61 mm | Awful | Tornio in March |
| April | 2° / -3° | 6 | 12 | 12 | 49 mm | Awful | Tornio in April |
| May | 9° / 4° | 5 | 22 | 4 | 51 mm | Bad | Tornio in May |
| June | 14° / 9° | 4 | 26 | 0 | 56 mm | Good | Tornio in June |
| July | 19° / 13° | 4 | 27 | 0 | 64 mm | Good | Tornio in July |
| August | 17° / 12° | 5 | 26 | 0 | 74 mm | Good | Tornio in August |
| September | 12° / 8° | 5 | 25 | 0 | 66 mm | Ok | Tornio in September |
| October | 5° / 2° | 7 | 19 | 5 | 66 mm | Awful | Tornio in October |
| November | 1° / -2° | 7 | 13 | 10 | 70 mm | Awful | Tornio in November |
| December | -3° / -7° | 5 | 6 | 20 | 86 mm | Awful | Tornio in December |