Water temperature in Traunsee in September
Is it warm enough to swim in Traunsee in September? Average water temperature in Traunsee in September is 16.2°C and therefore is not suitable for comfortable swimming. The warmest water in Traunsee in September is 22°C, and the coldest is 9°C. To find out the water temperature today and in the coming days, go to Current water temperature in Traunsee
Changes water temperature in Traunsee in September 2025, 2024
To get an accurate forecast for the water temperature in Traunsee for any chosen month, compare two years within a 10 year range using the chart below.
You can choose any other years:
Day |
2025 |
2024 |
1 September | 18°C | 22°C |
2 September | 18°C | 22°C |
3 September | 18°C | 22°C |
4 September | 17°C | 22°C |
5 September | 17°C | 22°C |
6 September | 17°C | 22°C |
7 September | 17°C | 21°C |
8 September | 17°C | 20°C |
9 September | 16°C | 19°C |
10 September | | 17°C |
11 September | | 15°C |
12 September | | 13°C |
13 September | | 11°C |
14 September | | 10°C |
15 September | | 9°C |
Day |
2025 |
2024 |
16 September | | 9°C |
17 September | | 10°C |
18 September | | 11°C |
19 September | | 12°C |
20 September | | 13°C |
21 September | | 14°C |
22 September | | 15°C |
23 September | | 15°C |
24 September | | 15°C |
25 September | | 15°C |
26 September | | 15°C |
27 September | | 14°C |
28 September | | 13°C |
29 September | | 13°C |
30 September | | 12°C |
Average water temperature in Traunsee in September over a decade
2015 | 2016 | 2017 | 2018 | 2019 |
| | 14.2°C | 17.6°C | 16.9°C |
2020 | 2021 | 2022 | 2023 | 2024 |
17°C | 16.5°C | 14.2°C | 17.4°C | 15.4°C |
Traunsee water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below