Sea Temperature in Llanddulas in September

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

57°F

MINIMUN

61°F

AVERAGE

64°F

MAXIMUM

Historical Data of Water Temperature in September in Llanddulas

Water Temperature Chart for Celtic Sea in Llanddulas in September

Sea Temperature Table in Llanddulas in September Over the Past Years

Day	2024	2023	2022	Average
Sep 1	61°C	59°C	61°C	60°C
Sep 2	59°C	61°C	61°C	60°C
Sep 3	59°C	63°C	61°C	61°C
Sep 4	61°C	61°C	61°C	61°C
Sep 5	63°C	59°C	61°C	60°C
Sep 6	61°C	63°C	59°C	61°C
Sep 7	61°C	59°C	61°C	60°C
Sep 8	61°C	59°C	61°C	60°C
Sep 9	63°C	61°C	59°C	61°C
Sep 10	61°C	61°C	59°C	60°C
Sep 11	61°C	59°C	59°C	60°C
Sep 12	59°C	61°C	61°C	60°C
Sep 13	59°C	63°C	61°C	61°C
Sep 14	59°C	63°C	59°C	60°C
Sep 15	59°C	63°C	59°C	60°C
Sep 16	59°C	61°C	59°C	60°C
Sep 17	59°C	59°C	61°C	60°C
Sep 18	63°C	59°C	61°C	60°C
Sep 19	64°C	61°C	59°C	61°C
Sep 20	63°C	59°C	59°C	60°C
Sep 21	63°C	59°C	59°C	60°C
Sep 22	61°C	59°C	59°C	60°C
Sep 23	63°C	63°C	61°C	61°C
Sep 24	63°C	59°C	61°C	60°C
Sep 25	61°C	61°C	61°C	60°C
Sep 26	63°C	63°C	59°C	61°C
Sep 27	63°C	59°C	59°C	60°C
Sep 28	61°C	59°C	59°C	60°C
Sep 29	61°C	59°C	59°C	60°C

Llanddulas Climate and Swimming Opportunities in September

63°F

Average Day Air Temperature

52°F

Average Night Air Temperature

3 in

Precipitation Amount per Month

14 days

Number of Rainy Days

13 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

9 mph

Average Wind Speed

86%

Average
humidity

Llanddulas lies within the Wales in United Kingdom. The average daytime temperature in Llanddulas in September is 17°C (63°F), while the nighttime average is 11°C (51°F). There are typically 14 rainy days during the month, with a total precipitation of 82 mm (3.2 inches). The daylight duration in September in Llanddulas is 13 hours, with an average of 4 hours of sunshine per day. The average wind speed in September is 15 km/h (9 mph), and the humidity level is around 86%.

The water temperature in Llanddulas in September ranges from 15°C to 16°C (59°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 16°C (61°F) in the last ten days. Overall, the average sea temperature in Llanddulas 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 Llanddulas

What is the sea temperature in Llanddulas in September?

The water temperature in the Celtic Sea in Llanddulas in September ranges from 15°C to 16°C (59°F to 61°F).

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

The average sea temperature in Llanddulas in September is 16°C (61°F), and the air temperature is 17°C (63°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.