Water temperature in Attersee in September
Is it warm enough to swim in Attersee in September? Average water temperature in Attersee in September is 16.1°C and therefore is not suitable for comfortable swimming. The warmest water in Attersee in September is 23°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 Attersee
Changes water temperature in Attersee in September 2025, 2024
To get an accurate forecast for the water temperature in Attersee 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 | 23°C |
2 September | 18°C | 23°C |
3 September | 18°C | 23°C |
4 September | 17°C | 23°C |
5 September | 17°C | 22°C |
6 September | 17°C | 22°C |
7 September | 17°C | 21°C |
8 September | | 20°C |
9 September | | 19°C |
10 September | | 17°C |
11 September | | 15°C |
12 September | | 13°C |
13 September | | 10°C |
14 September | | 9°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 | | 15°C |
22 September | | 15°C |
23 September | | 15°C |
24 September | | 16°C |
25 September | | 16°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 Attersee in September over a decade
2015 | 2016 | 2017 | 2018 | 2019 |
| | 14.2°C | 17.4°C | 16.3°C |
2020 | 2021 | 2022 | 2023 | 2024 |
17°C | 16.3°C | 14.3°C | 17.6°C | 15.6°C |
Attersee water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below