Is it warm enough to swim in Belgrade in September? Average water temperature in Belgrade in September is 20.4°C and therefore suitable for comfortable swimming. The warmest water in Belgrade in September is 26°C, and the coldest is 14°C. Average high air temperature in Belgrade in September is 24°C, and average low temperature is 14°C. To find out the water temperature today and in the coming days, go to Current water temperature in Belgrade
To get an accurate forecast for the water temperature in Belgrade for any chosen month, compare two years within a 10 year range using the chart below.
Day | 2025 | 2024 |
---|---|---|
1 September | 22°C | 26°C |
2 September | 24°C | 26°C |
3 September | 24°C | 26°C |
4 September | 23°C | 26°C |
5 September | 23°C | 26°C |
6 September | 23°C | 26°C |
7 September | 24°C | 26°C |
8 September | 24°C | 24°C |
9 September | 23°C | 22°C |
10 September | 23°C | 21°C |
11 September | 23°C | 21°C |
12 September | 19°C | |
13 September | 17°C | |
14 September | 15°C | |
15 September | 15°C |
Day | 2025 | 2024 |
---|---|---|
16 September | 14°C | |
17 September | 14°C | |
18 September | 14°C | |
19 September | 15°C | |
20 September | 16°C | |
21 September | 17°C | |
22 September | 18°C | |
23 September | 19°C | |
24 September | 19°C | |
25 September | 19°C | |
26 September | 20°C | |
27 September | 19°C | |
28 September | 18°C | |
29 September | 17°C | |
30 September | 16°C |
2015 | 2016 | 2017 | 2018 | 2019 |
20.2°C | 19.6°C | 21°C | 20.6°C |
2020 | 2021 | 2022 | 2023 | 2024 |
21.1°C | 18.5°C | 19.3°C | 23.6°C | 19.7°C |
This data display average monthly climate indicators in Belgrade in September based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
You can also view information about water temperature for other months by clicking on the month button below