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Sea Temperature in Gelliswick in September
Complete information on the sea temperature range in the Celtic Sea in Gelliswick in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Gelliswick. 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 Gelliswick in September
14°C
MINIMUN
16°C
AVERAGE
18°C
MAXIMUM
Historical Data of Water Temperature in September in Gelliswick
Water Temperature Chart for Celtic Sea in Gelliswick in September
Sea Temperature Table in Gelliswick in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 17°C | 15°C | 17°C | 16.3°C |
| Sep 2 | 16°C | 16°C | 17°C | 16.5°C |
| Sep 3 | 17°C | 16°C | 17°C | 16.5°C |
| Sep 4 | 16°C | 17°C | 17°C | 16.8°C |
| Sep 5 | 17°C | 15°C | 15°C | 16.0°C |
| Sep 6 | 16°C | 14°C | 15°C | 15.3°C |
| Sep 7 | 17°C | 15°C | 16°C | 16.0°C |
| Sep 8 | 17°C | 14°C | 16°C | 15.8°C |
| Sep 9 | 16°C | 14°C | 16°C | 15.5°C |
| Sep 10 | 17°C | 14°C | 16°C | 16.0°C |
| Sep 11 | 17°C | 16°C | 16°C | 16.3°C |
| Sep 12 | 17°C | 14°C | 16°C | 15.8°C |
| Sep 13 | 16°C | 14°C | 16°C | 15.5°C |
| Sep 14 | 16°C | 14°C | 16°C | 15.3°C |
| Sep 15 | 17°C | 17°C | 16°C | 16.5°C |
| Sep 16 | 16°C | 16°C | 16°C | 16.0°C |
| Sep 17 | 16°C | 16°C | 16°C | 16.0°C |
| Sep 18 | 17°C | 14°C | 15°C | 15.5°C |
| Sep 19 | 17°C | 14°C | 16°C | 15.8°C |
| Sep 20 | 17°C | 17°C | 16°C | 16.5°C |
| Sep 21 | 17°C | 14°C | 16°C | 15.5°C |
| Sep 22 | 17°C | 14°C | 16°C | 15.5°C |
| Sep 23 | 17°C | 17°C | 16°C | 16.3°C |
| Sep 24 | 16°C | 14°C | 15°C | 15.0°C |
| Sep 25 | 17°C | 15°C | 15°C | 15.8°C |
| Sep 26 | 17°C | 14°C | 16°C | 15.8°C |
| Sep 27 | 16°C | 16°C | 15°C | 15.8°C |
| Sep 28 | 17°C | 15°C | 15°C | 15.8°C |
| Sep 29 | 16°C | 17°C | 15°C | 15.8°C |
Gelliswick Climate and Swimming Opportunities in September
17°C
Average Day Air Temperature
11°C
Average Night Air Temperature
87 mm
Precipitation Amount per Month
14 days
Number of Rainy Days
13 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
86%
Average
humidity
Gelliswick lies within the Wales in United Kingdom. The average daytime temperature in Gelliswick 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 87 mm (3.4 inches). The daylight duration in September in Gelliswick is 13 hours, with an average of 5 hours of sunshine per day. The average wind speed in September is 14 km/h (9 mph), and the humidity level is around 86%.
The water temperature in Gelliswick 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 Gelliswick 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 Gelliswick
What is the sea temperature in Gelliswick in September?
The water temperature in the Celtic Sea in Gelliswick in September ranges from 15°C to 16°C (59°F to 61°F).
Is it possible to swim in the Celtic Sea in Gelliswick in September?
The average sea temperature in Gelliswick 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.