Water temperature in Lake Lugano in September
Is it warm enough to swim in Lake Lugano in September? Average water temperature in Lake Lugano in September is 19.6°C and therefore is not suitable for comfortable swimming. The warmest water in Lake Lugano in September is 24°C, and the coldest is 14°C. To find out the water temperature today and in the coming days, go to Current water temperature in Lake Lugano
Changes water temperature in Lake Lugano in September 2025, 2024
To get an accurate forecast for the water temperature in Lake Lugano 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 | 19°C | 24°C |
2 September | 20°C | 24°C |
3 September | 20°C | 23°C |
4 September | 20°C | 22°C |
5 September | 20°C | 22°C |
6 September | 20°C | 21°C |
7 September | 20°C | 21°C |
8 September | 19°C | 20°C |
9 September | 19°C | 20°C |
10 September | 19°C | 19°C |
11 September | 19°C | 19°C |
12 September | 19°C | 18°C |
13 September | 19°C | 18°C |
14 September | 20°C | 17°C |
15 September | 20°C | 16°C |
Day |
2025 |
2024 |
16 September | 20°C | 16°C |
17 September | 20°C | 16°C |
18 September | 21°C | 16°C |
19 September | 21°C | 16°C |
20 September | 21°C | 16°C |
21 September | 20°C | 16°C |
22 September | 19°C | 16°C |
23 September | 18°C | 16°C |
24 September | 17°C | 16°C |
25 September | 16°C | 16°C |
26 September | 15°C | 16°C |
27 September | | 15°C |
28 September | | 15°C |
29 September | | 15°C |
30 September | | 15°C |
Average water temperature in Lake Lugano in September over a decade
2015 | 2016 | 2017 | 2018 | 2019 |
| 21.2°C | 17.9°C | 20.6°C | 20°C |
2020 | 2021 | 2022 | 2023 | 2024 |
20°C | 20°C | 18.3°C | 20°C | 18°C |
Lake Lugano water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below