Sea Temperature in Kerlouan in September

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

13°C

MINIMUN

15.5°C

AVERAGE

18°C

MAXIMUM

Historical Data of Water Temperature in September in Kerlouan

Water Temperature Chart for Bay of Biscay in Kerlouan in September

Sea Temperature Table in Kerlouan in September Over the Past Years

Day	2024	2023	2022	Average
Sep 1	16°C	18°C	16°C	16.5°C
Sep 2	17°C	15°C	17°C	16.3°C
Sep 3	16°C	16°C	17°C	16.3°C
Sep 4	16°C	16°C	16°C	16.0°C
Sep 5	16°C	18°C	16°C	16.3°C
Sep 6	16°C	15°C	16°C	15.8°C
Sep 7	16°C	15°C	16°C	15.5°C
Sep 8	16°C	15°C	16°C	15.5°C
Sep 9	17°C	15°C	15°C	15.5°C
Sep 10	16°C	17°C	15°C	15.8°C
Sep 11	16°C	18°C	15°C	16.0°C
Sep 12	16°C	16°C	15°C	15.5°C
Sep 13	16°C	16°C	14°C	15.3°C
Sep 14	15°C	18°C	14°C	15.5°C
Sep 15	16°C	18°C	14°C	15.8°C
Sep 16	16°C	17°C	15°C	15.8°C
Sep 17	16°C	18°C	15°C	16.0°C
Sep 18	16°C	17°C	15°C	15.8°C
Sep 19	16°C	14°C	15°C	15.0°C
Sep 20	16°C	15°C	15°C	15.3°C
Sep 21	16°C	16°C	15°C	15.5°C
Sep 22	15°C	15°C	14°C	14.8°C
Sep 23	15°C	17°C	15°C	15.3°C
Sep 24	16°C	18°C	15°C	15.8°C
Sep 25	16°C	15°C	15°C	15.0°C
Sep 26	16°C	17°C	15°C	15.5°C
Sep 27	15°C	18°C	14°C	15.3°C
Sep 28	15°C	16°C	14°C	14.8°C
Sep 29	15°C	18°C	15°C	15.8°C

Kerlouan Climate and Swimming Opportunities in September

20°C

Average Day Air Temperature

12°C

Average Night Air Temperature

76 mm

Precipitation Amount per Month

10 days

Number of Rainy Days

12 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

19 km/h

Average Wind Speed

84%

Average
humidity

Kerlouan lies within the Brittany in France. The average daytime temperature in Kerlouan in September is 20°C (67°F), while the nighttime average is 12°C (54°F). There are typically 10 rainy days during the month, with a total precipitation of 76 mm (3.0 inches). The daylight duration in September in Kerlouan 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 84%.

The water temperature in Kerlouan in September ranges from 14°C to 16°C (57°F to 61°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 16°C (61°F) by mid-September and reaching 15°C (59°F) in the last ten days. Overall, the average sea temperature in Kerlouan for September is 16°C (61°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 Kerlouan

What is the sea temperature in Kerlouan in September?

The water temperature in the Bay of Biscay in Kerlouan in September ranges from 14°C to 16°C (57°F to 61°F).

Is it possible to swim in the Bay of Biscay in Kerlouan in September?

The average sea temperature in Kerlouan in September is 16°C (61°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.