Is it warm enough to swim in Kastrosikia in September? Average water temperature in Kastrosikia in September is 25.3°C and therefore suitable for comfortable swimming. The warmest sea in Kastrosikia in September is 28.4°C, and the coldest is 21.8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Kastrosikia
To get an accurate forecast for the water temperature in Kastrosikia for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Kastrosikia, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
1 September | 26.3°C | 28°C | 24.5°C | 28°C |
2 September | 26.3°C | 28°C | 24.2°C | 28°C |
3 September | 26°C | 27.9°C | 24.2°C | 27.9°C |
4 September | 26°C | 28°C | 23.8°C | 28°C |
5 September | 25.9°C | 27.7°C | 23.8°C | 27.7°C |
6 September | 28°C | 23.9°C | 28°C | |
7 September | 28.4°C | 24°C | 28.4°C | |
8 September | 28.3°C | 23.5°C | 28.3°C | |
9 September | 28°C | 23.3°C | 28°C | |
10 September | 28.1°C | 23.3°C | 28.1°C | |
11 September | 27.7°C | 23.4°C | 27.7°C | |
12 September | 27.7°C | 23.1°C | 27.7°C | |
13 September | 27.4°C | 22.7°C | 27.4°C | |
14 September | 27.1°C | 22.6°C | 27.1°C | |
15 September | 26.7°C | 23°C | 26.9°C |
Day | 2025 | 2024 | Min | Max |
---|---|---|---|---|
16 September | 26.6°C | 22.8°C | 27°C | |
17 September | 26.3°C | 22.9°C | 27°C | |
18 September | 25.9°C | 23°C | 26.8°C | |
19 September | 25.6°C | 23.3°C | 26.9°C | |
20 September | 25.2°C | 23.2°C | 26.6°C | |
21 September | 25.2°C | 22.9°C | 26.2°C | |
22 September | 25.1°C | 22.9°C | 25.7°C | |
23 September | 25°C | 23.1°C | 25.7°C | |
24 September | 25.1°C | 23.1°C | 25.8°C | |
25 September | 25.2°C | 23°C | 25.9°C | |
26 September | 25.3°C | 22.7°C | 25.7°C | |
27 September | 25.2°C | 22.7°C | 25.7°C | |
28 September | 25.1°C | 22°C | 25.5°C | |
29 September | 24.9°C | 21.8°C | 25.5°C | |
30 September | 24.2°C | 21.8°C | 25.4°C |
2015 | 2016 | 2017 | 2018 | 2019 |
25.9°C | 25°C | 25°C | 25.9°C | 26.2°C |
2020 | 2021 | 2022 | 2023 | 2024 |
25.6°C | 24.9°C | 25.3°C | 25°C | 26.6°C |
Chart comparing the height of waves in Kastrosikia in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.
You can also view information about water temperature for other months by clicking on the month button below