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Sea Temperature in Saint-Malo in September
Complete information on the sea temperature range in the Celtic Sea in Saint-Malo in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Saint-Malo. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Saint-Malo in September
61°F
MINIMUN
65°F
AVERAGE
70°F
MAXIMUM
Historical Data of Water Temperature in September in Saint-Malo
Water Temperature Chart for Celtic Sea in Saint-Malo in September
Sea Temperature Table in Saint-Malo in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 64°C | 66°C | 64°C | 65°C |
| Sep 2 | 66°C | 66°C | 64°C | 66°C |
| Sep 3 | 64°C | 64°C | 64°C | 65°C |
| Sep 4 | 64°C | 66°C | 64°C | 66°C |
| Sep 5 | 64°C | 64°C | 64°C | 65°C |
| Sep 6 | 64°C | 66°C | 64°C | 65°C |
| Sep 7 | 66°C | 66°C | 64°C | 66°C |
| Sep 8 | 66°C | 64°C | 64°C | 65°C |
| Sep 9 | 64°C | 66°C | 63°C | 65°C |
| Sep 10 | 64°C | 66°C | 63°C | 65°C |
| Sep 11 | 64°C | 66°C | 63°C | 65°C |
| Sep 12 | 64°C | 66°C | 63°C | 65°C |
| Sep 13 | 66°C | 66°C | 63°C | 65°C |
| Sep 14 | 64°C | 66°C | 63°C | 64°C |
| Sep 15 | 64°C | 66°C | 63°C | 64°C |
| Sep 16 | 64°C | 66°C | 63°C | 64°C |
| Sep 17 | 64°C | 66°C | 63°C | 64°C |
| Sep 18 | 64°C | 64°C | 63°C | 64°C |
| Sep 19 | 66°C | 66°C | 63°C | 64°C |
| Sep 20 | 64°C | 66°C | 63°C | 64°C |
| Sep 21 | 64°C | 66°C | 63°C | 64°C |
| Sep 22 | 64°C | 64°C | 63°C | 64°C |
| Sep 23 | 64°C | 66°C | 63°C | 64°C |
| Sep 24 | 64°C | 64°C | 63°C | 64°C |
| Sep 25 | 64°C | 64°C | 63°C | 64°C |
| Sep 26 | 66°C | 64°C | 63°C | 64°C |
| Sep 27 | 64°C | 64°C | 63°C | 64°C |
| Sep 28 | 66°C | 64°C | 63°C | 64°C |
| Sep 29 | 64°C | 63°C | 63°C | 63°C |
Saint-Malo Climate and Swimming Opportunities in September
68°F
Average Day Air Temperature
55°F
Average Night Air Temperature
2 in
Precipitation Amount per Month
10 days
Number of Rainy Days
12 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
12 mph
Average Wind Speed
80%
Average
humidity
Saint-Malo lies within the Brittany in France. The average daytime temperature in Saint-Malo in September is 20°C (67°F), while the nighttime average is 13°C (55°F). There are typically 10 rainy days during the month, with a total precipitation of 55 mm (2.1 inches). The daylight duration in September in Saint-Malo is 12 hours, with an average of 6 hours of sunshine per day. The average wind speed in September is 19 km/h (12 mph), and the humidity level is around 80%.
The water temperature in Saint-Malo in September ranges from 17°C to 18°C (63°F to 64°F). At the beginning of the month, the average temperature is around 19°C (66°F), shifting to 18°C (64°F) by mid-September and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Saint-Malo for September is 18°C (64°F). Ideal conditions for a refreshing swim, though some may still find it a bit cool.
Sea Temperature in September in Nearby Cities
Frequently Asked Questions About Water Temperatures in September in Saint-Malo
What is the sea temperature in Saint-Malo in September?
The water temperature in the Celtic Sea in Saint-Malo in September ranges from 17°C to 18°C (63°F to 64°F).
Is it possible to swim in the Celtic Sea in Saint-Malo in September?
The average sea temperature in Saint-Malo in September is 18°C (64°F), and the air temperature is 20°C (67°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.