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Sea Temperature in Mers-les-Bains in September

Mers-les-Bains

© Annick Henniquin

Complete information on the sea temperature range in the English Channel in Mers-les-Bains in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Mers-les-Bains. 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 Mers-les-Bains in September

59°F

MINIMUN

64°F

AVERAGE

70°F

MAXIMUM

Historical Data of Water Temperature in September in Mers-les-Bains

Water Temperature Chart for English Channel in Mers-les-Bains in September

Sea Temperature Table in Mers-les-Bains in September Over the Past Years

Day202420232022Average
Sep 163°C61°C64°C64°C
Sep 263°C63°C64°C64°C
Sep 364°C64°C64°C65°C
Sep 464°C64°C64°C65°C
Sep 564°C64°C64°C65°C
Sep 664°C64°C64°C65°C
Sep 763°C63°C64°C64°C
Sep 863°C63°C64°C64°C
Sep 961°C64°C64°C64°C
Sep 1061°C63°C64°C64°C
Sep 1161°C64°C64°C64°C
Sep 1261°C63°C64°C64°C
Sep 1361°C66°C63°C64°C
Sep 1461°C63°C63°C63°C
Sep 1561°C63°C63°C63°C
Sep 1661°C66°C63°C64°C
Sep 1761°C64°C63°C63°C
Sep 1864°C64°C63°C64°C
Sep 1964°C64°C63°C64°C
Sep 2064°C64°C63°C64°C
Sep 2164°C61°C63°C63°C
Sep 2264°C63°C63°C64°C
Sep 2364°C61°C63°C63°C
Sep 2464°C63°C63°C64°C
Sep 2564°C61°C64°C64°C
Sep 2664°C66°C64°C65°C
Sep 2764°C64°C63°C64°C
Sep 2864°C61°C63°C63°C
Sep 2964°C61°C63°C63°C
Hauts-de-France, FranceHauts-de-France, FranceHauts-de-France, France

Mers-les-Bains Climate and Swimming Opportunities in September

68°F

Average Day Air Temperature

54°F

Average Night Air Temperature

2 in

Precipitation Amount per Month

10 days

Number of Rainy Days

12 hrs

Daylight
per Day

5 hrs

Sunshine
per Day

12 mph

Average Wind Speed

82%

Average
humidity

Mers-les-Bains lies within the Hauts-de-France in France. The average daytime temperature in Mers-les-Bains in September is 20°C (68°F), while the nighttime average is 12°C (54°F). There are typically 10 rainy days during the month, with a total precipitation of 57 mm (2.2 inches). The daylight duration in September in Mers-les-Bains is 12 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 19 km/h (12 mph), and the humidity level is around 82%.

The water temperature in Mers-les-Bains 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 18°C (64°F), shifting to 17°C (63°F) by mid-September and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Mers-les-Bains for September is 18°C (64°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Frequently Asked Questions About Water Temperatures in September in Mers-les-Bains

What is the sea temperature in Mers-les-Bains in September?

The water temperature in the English Channel in Mers-les-Bains in September ranges from 17°C to 18°C (63°F to 64°F).

Is it possible to swim in the English Channel in Mers-les-Bains in September?

The average sea temperature in Mers-les-Bains in September is 18°C (64°F), and the air temperature is 20°C (68°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.