Water temperature in San Pietro a Mare in September
Is it warm enough to swim in San Pietro a Mare in September? Average water temperature in San Pietro a Mare in September is 23.9°C and therefore suitable for comfortable swimming. The warmest sea in San Pietro a Mare in September is 27.3°C, and the coldest is 20.9°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in San Pietro a Mare
Changes water temperature in San Pietro a Mare in September 2025, 2024
To get an accurate forecast for the water temperature in San Pietro a Mare for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in San Pietro a Mare, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.
You can choose any other years:
| Day |
2025 |
2024 |
Min |
Max |
| 1 September | 25.7°C | 26.2°C | 23.5°C | 26.2°C |
| 2 September | 25.5°C | 26.3°C | 23.6°C | 26.3°C |
| 3 September | 25.3°C | 25.8°C | 23.6°C | 26.4°C |
| 4 September | 25°C | 25.6°C | 23.2°C | 26.4°C |
| 5 September | 25°C | 25.9°C | 22.7°C | 26.5°C |
| 6 September | 25.6°C | 25.9°C | 22.5°C | 26.3°C |
| 7 September | 25.1°C | 26°C | 22.5°C | 26.7°C |
| 8 September | 24.9°C | 25.7°C | 22.8°C | 27.3°C |
| 9 September | 24.7°C | 25.1°C | 22.9°C | 26.8°C |
| 10 September | 25°C | 24.6°C | 22.8°C | 26.8°C |
| 11 September | 24.8°C | 24.4°C | 22.8°C | 26.9°C |
| 12 September | 25°C | 24.3°C | 22.6°C | 27°C |
| 13 September | 24.6°C | 24°C | 22.4°C | 27.2°C |
| 14 September | 24.7°C | 23.9°C | 22.5°C | 27°C |
| 15 September | 24.5°C | 23.4°C | 22.5°C | 26.1°C |
| Day |
2025 |
2024 |
Min |
Max |
| 16 September | 24.3°C | 23.1°C | 22.8°C | 26°C |
| 17 September | 24.6°C | 23°C | 22.5°C | 25.7°C |
| 18 September | 24.7°C | 22.6°C | 22.3°C | 25.7°C |
| 19 September | 24.9°C | 22.4°C | 22.1°C | 25.5°C |
| 20 September | 24.5°C | 22.1°C | 22°C | 25.3°C |
| 21 September | 24.5°C | 22.1°C | 22.1°C | 24.9°C |
| 22 September | 24.3°C | 22.2°C | 22.2°C | 24.9°C |
| 23 September | 24.3°C | 22°C | 22°C | 24.6°C |
| 24 September | 24.3°C | 21.9°C | 21.9°C | 24.9°C |
| 25 September | 24.1°C | 21.8°C | 21.8°C | 24.4°C |
| 26 September | 24.1°C | 22.1°C | 21.8°C | 24.1°C |
| 27 September | 24.2°C | 21.8°C | 21.2°C | 24.2°C |
| 28 September | 24°C | 21.6°C | 21°C | 24°C |
| 29 September | 24.1°C | 21.6°C | 21.1°C | 24.1°C |
| 30 September | 23.9°C | 22.1°C | 20.9°C | 23.9°C |
Average water temperature in San Pietro a Mare in September over a decade
| 2016 | 2017 | 2018 | 2019 | 2020 |
| 24.1°C | 23.2°C | 24.7°C | 24.5°C | 24.6°C |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 24.3°C | 25.5°C | 23.4°C | 23.6°C | |
San Pietro a Mare water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below