Is it warm enough to swim in Bucharest in September? Average water temperature in Bucharest in September is 21.1°C and therefore suitable for comfortable swimming. The warmest water in Bucharest in September is 28°C, and the coldest is 16°C. To find out the water temperature today and in the coming days, go to Current water temperature in Bucharest
To get an accurate forecast for the water temperature in Bucharest for any chosen month, compare two years within a 10 year range using the chart below.
Day | 2025 | 2024 |
---|---|---|
1 September | 24°C | 24°C |
2 September | 23°C | 24°C |
3 September | 25°C | 24°C |
4 September | 24°C | 24°C |
5 September | 23°C | 24°C |
6 September | 24°C | 23°C |
7 September | 24°C | 23°C |
8 September | 23°C | 22°C |
9 September | 22°C | |
10 September | 21°C | |
11 September | 22°C | |
12 September | 21°C | |
13 September | 20°C | |
14 September | 19°C | |
15 September | 18°C |
Day | 2025 | 2024 |
---|---|---|
16 September | 18°C | |
17 September | 18°C | |
18 September | 17°C | |
19 September | 17°C | |
20 September | 17°C | |
21 September | 18°C | |
22 September | 18°C | |
23 September | 19°C | |
24 September | 19°C | |
25 September | 20°C | |
26 September | 21°C | |
27 September | 20°C | |
28 September | 20°C | |
29 September | 19°C | |
30 September | 18°C |
You can also view information about water temperature for other months by clicking on the month button below