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The weather in Lenzerheide in September is very cold with temperatures between 2°C and 15°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Lenzerheide. 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 Lenzerheide can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Lenzerheide in September 2026.
If you’re planning to visit Lenzerheide in the near future, we highly recommend that you review the 14 day weather forecast for Lenzerheide before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -13° | 6 | 5 | 21 | 119 mm | Awful | Lenzerheide in January |
| February | -1° / -13° | 5 | 5 | 20 | 84 mm | Awful | Lenzerheide in February |
| March | 2° / -9° | 8 | 5 | 20 | 97 mm | Awful | Lenzerheide in March |
| April | 7° / -5° | 10 | 5 | 15 | 114 mm | Awful | Lenzerheide in April |
| May | 11° / -1° | 17 | 6 | 9 | 166 mm | Awful | Lenzerheide in May |
| June | 16° / 3° | 16 | 13 | 1 | 199 mm | Ok | Lenzerheide in June |
| July | 18° / 5° | 16 | 15 | 0 | 176 mm | Ok | Lenzerheide in July |
| August | 18° / 5° | 14 | 17 | 0 | 194 mm | Ok | Lenzerheide in August |
| September | 15° / 2° | 10 | 18 | 2 | 115 mm | Bad | Lenzerheide in September |
| October | 9° / -2° | 6 | 17 | 8 | 111 mm | Bad | Lenzerheide in October |
| November | 4° / -6° | 6 | 10 | 15 | 113 mm | Awful | Lenzerheide in November |
| December | -1° / -11° | 5 | 7 | 20 | 115 mm | Awful | Lenzerheide in December |