Click on a day for an hourly weather forecast
The weather in Lech in September is very cold with temperatures between 3°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Lech. 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 Lech in September 2026.
If you’re planning to visit Lech in the near future, we highly recommend that you review the 14 day weather forecast for Lech before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -12° | 4 | 9 | 17 | 171 mm | Awful | Lech in January |
| February | -2° / -12° | 6 | 7 | 17 | 121 mm | Awful | Lech in February |
| March | 0° / -9° | 8 | 9 | 15 | 148 mm | Awful | Lech in March |
| April | 5° / -4° | 13 | 9 | 8 | 140 mm | Awful | Lech in April |
| May | 9° / 0° | 20 | 9 | 2 | 250 mm | Awful | Lech in May |
| June | 14° / 4° | 18 | 12 | 0 | 299 mm | Ok | Lech in June |
| July | 17° / 6° | 17 | 14 | 0 | 235 mm | Ok | Lech in July |
| August | 17° / 6° | 16 | 15 | 0 | 275 mm | Ok | Lech in August |
| September | 13° / 3° | 12 | 17 | 0 | 173 mm | Bad | Lech in September |
| October | 8° / -1° | 8 | 20 | 3 | 143 mm | Awful | Lech in October |
| November | 3° / -5° | 6 | 15 | 9 | 126 mm | Awful | Lech in November |
| December | -2° / -10° | 5 | 11 | 15 | 146 mm | Awful | Lech in December |