Click on a day for an hourly weather forecast
The temperatures in Tirano in September are quite cold with temperatures between 6°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Tirano. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Tirano in September 2025.
If you’re planning to visit Tirano in the near future, we highly recommend that you review the 14 day weather forecast for Tirano before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -12° | 7 | 18 | 6 | 27 mm | Awful | Tirano in January |
| February | -2° / -10° | 8 | 14 | 7 | 33 mm | Awful | Tirano in February |
| March | 2° / -6° | 10 | 13 | 8 | 38 mm | Awful | Tirano in March |
| April | 6° / -1° | 13 | 11 | 7 | 70 mm | Awful | Tirano in April |
| May | 10° / 3° | 17 | 13 | 1 | 93 mm | Bad | Tirano in May |
| June | 16° / 8° | 17 | 13 | 0 | 95 mm | Ok | Tirano in June |
| July | 18° / 10° | 19 | 12 | 0 | 105 mm | Ok | Tirano in July |
| August | 18° / 10° | 16 | 15 | 0 | 110 mm | Ok | Tirano in August |
| September | 14° / 6° | 11 | 19 | 0 | 72 mm | Ok | Tirano in September |
| October | 8° / 1° | 8 | 20 | 2 | 79 mm | Awful | Tirano in October |
| November | 2° / -5° | 11 | 13 | 7 | 77 mm | Awful | Tirano in November |
| December | -3° / -10° | 7 | 18 | 6 | 40 mm | Awful | Tirano in December |