Click on a day for an hourly weather forecast
The weather in Laax in September is very cold with temperatures between 2°C and 17°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Laax. 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 Laax in September 2026.
If you’re planning to visit Laax in the near future, we highly recommend that you review the 14 day weather forecast for Laax before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -12° | 8 | 4 | 20 | 83 mm | Awful | Laax in January |
| February | 1° / -12° | 7 | 5 | 19 | 65 mm | Awful | Laax in February |
| March | 4° / -8° | 9 | 8 | 15 | 74 mm | Awful | Laax in March |
| April | 9° / -4° | 11 | 11 | 9 | 92 mm | Awful | Laax in April |
| May | 13° / 0° | 17 | 11 | 3 | 153 mm | Awful | Laax in May |
| June | 19° / 4° | 16 | 14 | 0 | 171 mm | Ok | Laax in June |
| July | 21° / 5° | 14 | 17 | 0 | 146 mm | Ok | Laax in July |
| August | 21° / 5° | 13 | 18 | 0 | 176 mm | Ok | Laax in August |
| September | 17° / 2° | 9 | 21 | 0 | 97 mm | Ok | Laax in September |
| October | 12° / -1° | 7 | 20 | 4 | 81 mm | Awful | Laax in October |
| November | 6° / -5° | 7 | 13 | 10 | 92 mm | Awful | Laax in November |
| December | 1° / -10° | 6 | 9 | 17 | 84 mm | Awful | Laax in December |