Water temperature in Lake Zurich in September
Is it warm enough to swim in Lake Zurich in September? Average water temperature in Lake Zurich in September is 16.4°C and therefore is not suitable for comfortable swimming. The warmest water in Lake Zurich in September is 22°C, and the coldest is 10°C. To find out the water temperature today and in the coming days, go to Current water temperature in Lake Zurich
Changes water temperature in Lake Zurich in September 2025, 2024
To get an accurate forecast for the water temperature in Lake Zurich 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 | 17°C | 22°C |
2 September | 17°C | 22°C |
3 September | 17°C | 22°C |
4 September | 16°C | 21°C |
5 September | 17°C | 21°C |
6 September | 17°C | 20°C |
7 September | 17°C | 19°C |
8 September | 16°C | 18°C |
9 September | 16°C | 17°C |
10 September | | 15°C |
11 September | | 14°C |
12 September | | 13°C |
13 September | | 11°C |
14 September | | 11°C |
15 September | | 10°C |
Day |
2025 |
2024 |
16 September | | 10°C |
17 September | | 11°C |
18 September | | 11°C |
19 September | | 12°C |
20 September | | 13°C |
21 September | | 14°C |
22 September | | 14°C |
23 September | | 14°C |
24 September | | 14°C |
25 September | | 14°C |
26 September | | 14°C |
27 September | | 13°C |
28 September | | 13°C |
29 September | | 13°C |
30 September | | 12°C |
Average water temperature in Lake Zurich in September over a decade
2015 | 2016 | 2017 | 2018 | 2019 |
15.3°C | 18.1°C | 14.6°C | 17.8°C | 16.7°C |
2020 | 2021 | 2022 | 2023 | 2024 |
17.3°C | 16.4°C | 15°C | 17.9°C | 14.9°C |
Lake Zurich water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below