Click on a day for an hourly weather forecast
The temperatures in Traunstein in September are quite cold with temperatures between 6°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Traunstein. 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 Traunstein in September 2026.
If you’re planning to visit Traunstein in the near future, we highly recommend that you review the 14 day weather forecast for Traunstein before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -8° | 8 | 7 | 17 | 237 mm | Awful | Traunstein in January |
| February | 2° / -7° | 8 | 6 | 16 | 163 mm | Awful | Traunstein in February |
| March | 7° / -4° | 9 | 10 | 12 | 200 mm | Awful | Traunstein in March |
| April | 12° / 0° | 9 | 16 | 5 | 158 mm | Awful | Traunstein in April |
| May | 16° / 4° | 17 | 13 | 1 | 316 mm | Ok | Traunstein in May |
| June | 20° / 8° | 17 | 13 | 0 | 345 mm | Ok | Traunstein in June |
| July | 22° / 9° | 16 | 15 | 0 | 321 mm | Ok | Traunstein in July |
| August | 22° / 10° | 13 | 18 | 0 | 294 mm | Ok | Traunstein in August |
| September | 18° / 6° | 9 | 21 | 0 | 197 mm | Ok | Traunstein in September |
| October | 13° / 1° | 9 | 20 | 2 | 194 mm | Awful | Traunstein in October |
| November | 7° / -2° | 7 | 17 | 6 | 119 mm | Awful | Traunstein in November |
| December | 2° / -6° | 8 | 9 | 14 | 184 mm | Awful | Traunstein in December |