Click on a day for an hourly weather forecast
The temperatures in Hallstatt in September are quite cold with temperatures between 5°C and 15°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Hallstatt. 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 Hallstatt can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Hallstatt in September 2025.
If you’re planning to visit Hallstatt in the near future, we highly recommend that you review the 14 day weather forecast for Hallstatt before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -9° | 4 | 5 | 22 | 217 mm | Awful | Hallstatt in January |
| February | -1° / -9° | 4 | 4 | 22 | 159 mm | Awful | Hallstatt in February |
| March | 3° / -6° | 5 | 6 | 21 | 176 mm | Awful | Hallstatt in March |
| April | 9° / -1° | 9 | 8 | 13 | 147 mm | Awful | Hallstatt in April |
| May | 13° / 3° | 17 | 7 | 7 | 290 mm | Awful | Hallstatt in May |
| June | 17° / 6° | 18 | 12 | 0 | 296 mm | Ok | Hallstatt in June |
| July | 19° / 8° | 17 | 14 | 0 | 278 mm | Ok | Hallstatt in July |
| August | 20° / 8° | 14 | 17 | 0 | 262 mm | Ok | Hallstatt in August |
| September | 15° / 5° | 11 | 17 | 2 | 199 mm | Bad | Hallstatt in September |
| October | 10° / 1° | 7 | 16 | 8 | 180 mm | Awful | Hallstatt in October |
| November | 6° / -2° | 4 | 14 | 12 | 122 mm | Awful | Hallstatt in November |
| December | 0° / -6° | 4 | 7 | 20 | 177 mm | Awful | Hallstatt in December |