Cassis in September
Find out everything about the water temperature in Cassis 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:
64.3 °F
Average:
72.8 °F
Maximum:
80.3 °F
Sea water temperature in Cassis in September
In the city of Cassis, the month of September is somewhat comfortable for swimming. The minimum recorded temperature during this month was 64.3°F on September 23, 2017, with an average temperature being 72.8°F and a maximum temperature reaching 80.3°F on September 2, 2024.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Sep 1 | 74.7°F | 79.6°F | 76.7°F |
| Sep 2 | 74.2°F | 80.3°F | 75.8°F |
| Sep 3 | 73.9°F | 80.2°F | 74.4°F |
| Sep 4 | 73.6°F | 79.6°F | 72.6°F |
| Sep 5 | 74.0°F | 79.3°F | 73.0°F |
| Sep 6 | 74.2°F | 79.4°F | 74.2°F |
| Sep 7 | 74.4°F | 78.7°F | 74.7°F |
| Sep 8 | 73.9°F | 77.9°F | 75.1°F |
| Sep 9 | 73.7°F | 78.0°F | 75.2°F |
| Sep 10 | 73.6°F | 76.8°F | 74.9°F |
| Sep 11 | 73.5°F | 75.7°F | 75.3°F |
| Sep 12 | 73.3°F | 74.3°F | 74.9°F |
| Sep 13 | 73.4°F | 73.6°F | 75.5°F |
| Sep 14 | 73.4°F | 72.9°F | 75.5°F |
| Sep 15 | 73.2°F | 71.2°F | 75.7°F |
| Sep 16 | 72.7°F | 67.6°F | 75.4°F |
| Sep 17 | 72.7°F | 67.7°F | 75.5°F |
| Sep 18 | 72.7°F | 68.8°F | 75.0°F |
| Sep 19 | 72.5°F | 68.6°F | 74.9°F |
| Sep 20 | 72.2°F | 69.6°F | 74.8°F |
| Sep 21 | 72.1°F | 71.1°F | 74.0°F |
| Sep 22 | 72.1°F | 72.8°F | 73.9°F |
| Sep 23 | 72.0°F | 72.6°F | 74.1°F |
| Sep 24 | 71.3°F | 72.4°F | 71.9°F |
| Sep 25 | 71.2°F | 71.7°F | 71.0°F |
| Sep 26 | 70.8°F | 71.4°F | 69.0°F |
| Sep 27 | 71.2°F | 71.6°F | 71.2°F |
| Sep 28 | 71.1°F | 71.4°F | 71.3°F |
| Sep 29 | 70.8°F | 69.7°F | 71.5°F |
| Sep 30 | 70.6°F | 69.4°F | 71.3°F |
In Cassis, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 54.
The warmest water in Cassis was recorded on July 20, 2022, reaching a 81.6°F. While the coldest temperature occurred on March 3, 2018, dipping to 55.4°F. The average readings by season are 58.3°F in Winter, 58.8°F in Spring, 72.1°F in Summer, and 68.4°F in Autumn.
September's average temperature is a slight drop from August's average of 74.5°F. In October, the temperature is expected to decrease further, potentially averaging around 68.4°F.