Click on a day for an hourly weather forecast
The temperatures in Sonthofen in September are quite cold with temperatures between 8°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Sonthofen. 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 Sonthofen in September 2026.
If you’re planning to visit Sonthofen in the near future, we highly recommend that you review the 14 day weather forecast for Sonthofen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -5° | 8 | 6 | 17 | 203 mm | Awful | Sonthofen in January |
| February | 2° / -5° | 7 | 6 | 17 | 145 mm | Awful | Sonthofen in February |
| March | 7° / -2° | 8 | 11 | 12 | 153 mm | Awful | Sonthofen in March |
| April | 12° / 2° | 9 | 15 | 6 | 134 mm | Awful | Sonthofen in April |
| May | 16° / 6° | 16 | 14 | 1 | 295 mm | Ok | Sonthofen in May |
| June | 20° / 10° | 14 | 16 | 0 | 286 mm | Ok | Sonthofen in June |
| July | 21° / 11° | 12 | 19 | 0 | 244 mm | Ok | Sonthofen in July |
| August | 21° / 11° | 12 | 19 | 0 | 258 mm | Ok | Sonthofen in August |
| September | 18° / 8° | 9 | 21 | 0 | 170 mm | Ok | Sonthofen in September |
| October | 13° / 4° | 7 | 22 | 2 | 158 mm | Awful | Sonthofen in October |
| November | 8° / 0° | 6 | 16 | 8 | 127 mm | Bad | Sonthofen in November |
| December | 3° / -3° | 9 | 8 | 15 | 173 mm | Awful | Sonthofen in December |