Is it warm enough to swim in Osoyoos in September? Average water temperature in Osoyoos in September is 20.3°C and therefore suitable for comfortable swimming. The warmest water in Osoyoos in September is 27°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 Osoyoos
To get an accurate forecast for the water temperature in Osoyoos for any chosen month, compare two years within a 10 year range using the chart below.
Day | 2025 | 2024 |
---|---|---|
1 September | 25°C | 22°C |
2 September | 25°C | 23°C |
3 September | 26°C | 22°C |
4 September | 26°C | 22°C |
5 September | 25°C | 22°C |
6 September | 22°C | |
7 September | 23°C | |
8 September | 23°C | |
9 September | 23°C | |
10 September | 22°C | |
11 September | 22°C | |
12 September | 21°C | |
13 September | 19°C | |
14 September | 19°C | |
15 September | 18°C |
Day | 2025 | 2024 |
---|---|---|
16 September | 18°C | |
17 September | 19°C | |
18 September | 18°C | |
19 September | 18°C | |
20 September | 18°C | |
21 September | 17°C | |
22 September | 18°C | |
23 September | 18°C | |
24 September | 18°C | |
25 September | 18°C | |
26 September | 17°C | |
27 September | 17°C | |
28 September | 17°C | |
29 September | 16°C | |
30 September | 15°C |
You can also view information about water temperature for other months by clicking on the month button below