Click on a day for an hourly weather forecast
The weather in Disentis in September is very cold with temperatures between 3°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Disentis. 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.
Please note that Disentis can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Disentis in September 2026.
If you’re planning to visit Disentis in the near future, we highly recommend that you review the 14 day weather forecast for Disentis before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -15° | 5 | 5 | 21 | 190 mm | Awful | Disentis in January |
| February | -2° / -14° | 6 | 4 | 21 | 149 mm | Awful | Disentis in February |
| March | 1° / -11° | 10 | 5 | 20 | 188 mm | Awful | Disentis in March |
| April | 5° / -5° | 14 | 5 | 13 | 232 mm | Awful | Disentis in April |
| May | 9° / 0° | 21 | 5 | 6 | 376 mm | Awful | Disentis in May |
| June | 16° / 5° | 22 | 8 | 0 | 425 mm | Ok | Disentis in June |
| July | 18° / 7° | 21 | 10 | 0 | 434 mm | Ok | Disentis in July |
| August | 18° / 6° | 21 | 10 | 0 | 425 mm | Ok | Disentis in August |
| September | 14° / 3° | 14 | 15 | 1 | 224 mm | Ok | Disentis in September |
| October | 8° / -3° | 11 | 14 | 6 | 243 mm | Awful | Disentis in October |
| November | 2° / -8° | 8 | 10 | 13 | 252 mm | Awful | Disentis in November |
| December | -3° / -13° | 6 | 6 | 20 | 218 mm | Awful | Disentis in December |