Sea Temperature in Lancieux in September

Complete information on the sea temperature range in the Celtic Sea in Lancieux in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Lancieux. 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 Lancieux in September

16°C

MINIMUN

18.5°C

AVERAGE

21°C

MAXIMUM

Historical Data of Water Temperature in September in Lancieux

Water Temperature Chart for Celtic Sea in Lancieux in September

Sea Temperature Table in Lancieux in September Over the Past Years

Day	2024	2023	2022	Average
Sep 1	18°C	18°C	18°C	18.0°C
Sep 2	18°C	18°C	18°C	18.0°C
Sep 3	18°C	19°C	18°C	18.5°C
Sep 4	18°C	18°C	18°C	18.3°C
Sep 5	18°C	19°C	18°C	18.5°C
Sep 6	19°C	19°C	18°C	18.8°C
Sep 7	19°C	18°C	18°C	18.5°C
Sep 8	19°C	19°C	18°C	18.8°C
Sep 9	19°C	18°C	17°C	18.3°C
Sep 10	18°C	18°C	17°C	18.0°C
Sep 11	18°C	18°C	17°C	18.0°C
Sep 12	19°C	18°C	17°C	18.3°C
Sep 13	18°C	18°C	17°C	18.0°C
Sep 14	18°C	19°C	17°C	18.0°C
Sep 15	18°C	19°C	17°C	18.0°C
Sep 16	18°C	19°C	17°C	18.0°C
Sep 17	18°C	19°C	17°C	17.8°C
Sep 18	18°C	18°C	17°C	17.5°C
Sep 19	19°C	19°C	17°C	18.0°C
Sep 20	18°C	19°C	17°C	17.8°C
Sep 21	19°C	19°C	17°C	18.0°C
Sep 22	19°C	19°C	17°C	18.0°C
Sep 23	19°C	18°C	17°C	18.0°C
Sep 24	19°C	18°C	17°C	18.0°C
Sep 25	18°C	18°C	17°C	17.8°C
Sep 26	18°C	18°C	17°C	17.8°C
Sep 27	19°C	18°C	17°C	17.8°C
Sep 28	18°C	18°C	17°C	17.5°C
Sep 29	18°C	18°C	17°C	17.5°C

Lancieux Climate and Swimming Opportunities in September

20°C

Average Day Air Temperature

13°C

Average Night Air Temperature

55 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

80%

Average
humidity

Lancieux lies within the Brittany in France. The average daytime temperature in Lancieux 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 Lancieux 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 Lancieux 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 18°C (64°F) by mid-September and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Lancieux 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 Lancieux

What is the sea temperature in Lancieux in September?

The water temperature in the Celtic Sea in Lancieux in September ranges from 17°C to 18°C (63°F to 64°F).

Is it possible to swim in the Celtic Sea in Lancieux in September?

The average sea temperature in Lancieux 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.