Click on a day for an hourly weather forecast
The temperatures in Walchsee in September are quite cold with temperatures between 7°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Walchsee. 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 Walchsee in September 2025.
If you’re planning to visit Walchsee in the near future, we highly recommend that you review the 14 day weather forecast for Walchsee before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -6° | 5 | 9 | 17 | 192 mm | Awful | Walchsee in January |
| February | 2° / -6° | 5 | 8 | 16 | 123 mm | Awful | Walchsee in February |
| March | 6° / -2° | 6 | 11 | 14 | 161 mm | Awful | Walchsee in March |
| April | 12° / 2° | 9 | 14 | 7 | 125 mm | Awful | Walchsee in April |
| May | 15° / 5° | 17 | 12 | 2 | 280 mm | Bad | Walchsee in May |
| June | 20° / 9° | 17 | 13 | 0 | 321 mm | Ok | Walchsee in June |
| July | 21° / 10° | 16 | 15 | 0 | 289 mm | Ok | Walchsee in July |
| August | 22° / 11° | 14 | 17 | 0 | 276 mm | Ok | Walchsee in August |
| September | 18° / 7° | 9 | 20 | 0 | 174 mm | Ok | Walchsee in September |
| October | 13° / 4° | 8 | 19 | 4 | 175 mm | Awful | Walchsee in October |
| November | 8° / 1° | 5 | 17 | 8 | 107 mm | Bad | Walchsee in November |
| December | 3° / -4° | 6 | 9 | 16 | 158 mm | Awful | Walchsee in December |