Click on a day for an hourly weather forecast
The weather in Gstaad in September is very cold with temperatures between 4°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Gstaad 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 Gstaad in September 2025.
If you’re planning to visit Gstaad in the near future, we highly recommend that you review the 14 day weather forecast for Gstaad before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -10° | 5 | 10 | 16 | 92 mm | Awful | Gstaad in January |
| February | 1° / -10° | 6 | 8 | 16 | 73 mm | Awful | Gstaad in February |
| March | 5° / -6° | 6 | 13 | 13 | 80 mm | Awful | Gstaad in March |
| April | 10° / -2° | 9 | 15 | 6 | 81 mm | Awful | Gstaad in April |
| May | 13° / 2° | 13 | 15 | 3 | 148 mm | Awful | Gstaad in May |
| June | 18° / 5° | 12 | 18 | 0 | 128 mm | Ok | Gstaad in June |
| July | 21° / 7° | 10 | 21 | 0 | 110 mm | Ok | Gstaad in July |
| August | 20° / 7° | 9 | 22 | 0 | 106 mm | Ok | Gstaad in August |
| September | 17° / 4° | 6 | 23 | 0 | 70 mm | Good | Gstaad in September |
| October | 12° / 0° | 5 | 23 | 3 | 60 mm | Bad | Gstaad in October |
| November | 7° / -3° | 5 | 15 | 9 | 80 mm | Bad | Gstaad in November |
| December | 2° / -8° | 5 | 12 | 14 | 95 mm | Awful | Gstaad in December |