Sea Temperature in Sainte-Marie-de-Ré in September

Complete information on the sea temperature range in the Bay of Biscay in Sainte-Marie-de-Ré in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Sainte-Marie-de-Ré. 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 Sainte-Marie-de-Ré in September

16°C

MINIMUN

20°C

AVERAGE

24°C

MAXIMUM

Historical Data of Water Temperature in September in Sainte-Marie-de-Ré

Water Temperature Chart for Bay of Biscay in Sainte-Marie-de-Ré in September

Sea Temperature Table in Sainte-Marie-de-Ré in September Over the Past Years

Day	2024	2023	2022	Average
Sep 1	18°C	18°C	21°C	19.0°C
Sep 2	20°C	20°C	21°C	20.0°C
Sep 3	20°C	21°C	20°C	20.0°C
Sep 4	19°C	20°C	20°C	19.5°C
Sep 5	20°C	21°C	20°C	20.0°C
Sep 6	20°C	21°C	19°C	20.0°C
Sep 7	19°C	18°C	19°C	18.5°C
Sep 8	20°C	21°C	20°C	19.8°C
Sep 9	20°C	20°C	20°C	19.5°C
Sep 10	21°C	19°C	20°C	19.5°C
Sep 11	20°C	18°C	19°C	18.8°C
Sep 12	20°C	19°C	19°C	19.0°C
Sep 13	21°C	18°C	18°C	18.8°C
Sep 14	20°C	18°C	18°C	18.5°C
Sep 15	20°C	19°C	18°C	18.5°C
Sep 16	20°C	18°C	18°C	18.3°C
Sep 17	20°C	20°C	18°C	18.5°C
Sep 18	20°C	20°C	18°C	18.8°C
Sep 19	19°C	18°C	18°C	18.0°C
Sep 20	19°C	18°C	18°C	18.0°C
Sep 21	19°C	20°C	18°C	18.3°C
Sep 22	19°C	21°C	18°C	18.8°C
Sep 23	18°C	19°C	19°C	18.3°C
Sep 24	19°C	18°C	19°C	18.3°C
Sep 25	19°C	21°C	19°C	18.8°C
Sep 26	19°C	18°C	19°C	18.3°C
Sep 27	18°C	21°C	19°C	18.8°C
Sep 28	18°C	17°C	19°C	18.0°C
Sep 29	18°C	18°C	19°C	18.0°C

Sainte-Marie-de-Ré Climate and Swimming Opportunities in September

22°C

Average Day Air Temperature

14°C

Average Night Air Temperature

58 mm

Precipitation Amount per Month

9 days

Number of Rainy Days

12 hrs

Daylight
per Day

7 hrs

Sunshine
per Day

17 km/h

Average Wind Speed

78%

Average
humidity

Sainte-Marie-de-Ré lies within the Nouvelle-Aquitaine in France. The average daytime temperature in Sainte-Marie-de-Ré in September is 22°C (71°F), while the nighttime average is 14°C (57°F). There are typically nine rainy days during the month, with a total precipitation of 58 mm (2.3 inches). The daylight duration in September in Sainte-Marie-de-Ré is 12 hours, with an average of 7 hours of sunshine per day. The average wind speed in September is 17 km/h (11 mph), and the humidity level is around 78%.

The water temperature in Sainte-Marie-de-Ré in September ranges from 18°C to 20°C (64°F to 68°F). At the beginning of the month, the average temperature is around 20°C (68°F), shifting to 19°C (66°F) by mid-September and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Sainte-Marie-de-Ré for September is 19°C (66°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Sea Temperature in September in Nearby Cities

Frequently Asked Questions About Water Temperatures in September in Sainte-Marie-de-Ré

What is the sea temperature in Sainte-Marie-de-Ré in September?

The water temperature in the Bay of Biscay in Sainte-Marie-de-Ré in September ranges from 18°C to 20°C (64°F to 68°F).

Is it possible to swim in the Bay of Biscay in Sainte-Marie-de-Ré in September?

The average sea temperature in Sainte-Marie-de-Ré in September is 19°C (66°F), and the air temperature is 22°C (71°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.