Saint Peter Port in September
Find out everything about the water temperature in Saint Peter Port in September. Average, minimum and maximum recorded temperatures as well as daily temperature in September for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in September
Minimum:
60.8 °F
Average:
63.1 °F
Maximum:
65.4 °F
Sea water temperature in Saint Peter Port in September
In the city of Saint Peter Port, the month of September is somewhat too cool for swimming. The minimum recorded temperature during this month was 60.8°F on September 23, 2015, with an average temperature being 63.1°F and a maximum temperature reaching 65.4°F on September 9, 2023.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Sep 1 | 63.1°F | 63.7°F | 63.4°F |
| Sep 2 | 63.3°F | 63.6°F | 63.9°F |
| Sep 3 | 63.3°F | 63.6°F | 64.0°F |
| Sep 4 | 63.4°F | 64.2°F | 64.2°F |
| Sep 5 | 63.4°F | 64.0°F | 64.3°F |
| Sep 6 | 63.4°F | 64.0°F | 63.8°F |
| Sep 7 | 63.4°F | 63.9°F | 63.7°F |
| Sep 8 | 63.4°F | 63.8°F | 64.1°F |
| Sep 9 | 63.6°F | 63.8°F | 65.4°F |
| Sep 10 | 63.4°F | 63.8°F | 65.3°F |
| Sep 11 | 63.3°F | 63.7°F | 64.6°F |
| Sep 12 | 63.4°F | 63.3°F | 64.9°F |
| Sep 13 | 63.3°F | 63.2°F | 64.6°F |
| Sep 14 | 63.3°F | 62.8°F | 64.3°F |
| Sep 15 | 63.2°F | 63.1°F | 64.4°F |
| Sep 16 | 63.1°F | 62.4°F | 64.4°F |
| Sep 17 | 63.1°F | 63.5°F | 64.7°F |
| Sep 18 | 63.1°F | 63.6°F | 64.7°F |
| Sep 19 | 63.1°F | 63.3°F | 64.4°F |
| Sep 20 | 63.1°F | 63.4°F | 64.1°F |
| Sep 21 | 63.1°F | 63.5°F | 63.7°F |
| Sep 22 | 63.0°F | 63.6°F | 63.7°F |
| Sep 23 | 62.9°F | 63.3°F | 63.9°F |
| Sep 24 | 62.8°F | 63.4°F | 63.8°F |
| Sep 25 | 62.8°F | 63.1°F | 64.1°F |
| Sep 26 | 62.9°F | 62.9°F | 64.1°F |
| Sep 27 | 62.8°F | 62.6°F | 64.0°F |
| Sep 28 | 62.6°F | 62.7°F | 64.1°F |
| Sep 29 | 62.5°F | 62.6°F | 63.1°F |
| Sep 30 | 62.6°F | 62.5°F | 63.7°F |
In an average year, Saint Peter Port offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Saint Peter Port was recorded on September 9, 2023, reaching a 65.4°F. While the coldest temperature occurred on March 22, 2018, dipping to 46.8°F. The average readings by season are 51.9°F in Winter, 50.9°F in Spring, 60.0°F in Summer, and 60.9°F in Autumn.
In September, the temperature is higher than August's average of 62.7°F and October's average of 61.4°F.