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Sea Temperature in Sennen in September
Complete information on the sea temperature range in the Celtic Sea in Sennen in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Sennen. 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 Sennen in September
59°F
MINIMUN
63°F
AVERAGE
66°F
MAXIMUM
Historical Data of Water Temperature in September in Sennen
Water Temperature Chart for Celtic Sea in Sennen in September
Sea Temperature Table in Sennen in September Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Sep 1 | 63°C | 61°C | 63°C | 62°C |
| Sep 2 | 63°C | 61°C | 63°C | 62°C |
| Sep 3 | 63°C | 61°C | 63°C | 62°C |
| Sep 4 | 64°C | 61°C | 63°C | 63°C |
| Sep 5 | 63°C | 61°C | 63°C | 62°C |
| Sep 6 | 63°C | 61°C | 63°C | 62°C |
| Sep 7 | 63°C | 61°C | 63°C | 61°C |
| Sep 8 | 63°C | 61°C | 63°C | 62°C |
| Sep 9 | 63°C | 61°C | 63°C | 62°C |
| Sep 10 | 61°C | 61°C | 63°C | 61°C |
| Sep 11 | 63°C | 61°C | 63°C | 62°C |
| Sep 12 | 63°C | 61°C | 61°C | 61°C |
| Sep 13 | 63°C | 61°C | 61°C | 61°C |
| Sep 14 | 63°C | 61°C | 59°C | 60°C |
| Sep 15 | 61°C | 63°C | 61°C | 61°C |
| Sep 16 | 63°C | 63°C | 61°C | 62°C |
| Sep 17 | 63°C | 63°C | 59°C | 61°C |
| Sep 18 | 63°C | 63°C | 59°C | 61°C |
| Sep 19 | 61°C | 61°C | 61°C | 61°C |
| Sep 20 | 61°C | 61°C | 61°C | 61°C |
| Sep 21 | 63°C | 61°C | 59°C | 60°C |
| Sep 22 | 63°C | 61°C | 61°C | 61°C |
| Sep 23 | 63°C | 61°C | 61°C | 61°C |
| Sep 24 | 63°C | 61°C | 59°C | 60°C |
| Sep 25 | 61°C | 61°C | 59°C | 60°C |
| Sep 26 | 61°C | 61°C | 59°C | 60°C |
| Sep 27 | 61°C | 61°C | 61°C | 61°C |
| Sep 28 | 61°C | 59°C | 59°C | 60°C |
| Sep 29 | 61°C | 59°C | 59°C | 60°C |
Sennen Climate and Swimming Opportunities in September
68°F
Average Day Air Temperature
54°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
10 days
Number of Rainy Days
12 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
12 mph
Average Wind Speed
84%
Average
humidity
Sennen lies within the England in United Kingdom. The average daytime temperature in Sennen 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 Sennen 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 Sennen in September ranges from 15°C to 17°C (59°F to 63°F). At the beginning of the month, the average temperature is around 17°C (63°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 Sennen 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 Sennen
What is the sea temperature in Sennen in September?
The water temperature in the Celtic Sea in Sennen in September ranges from 15°C to 17°C (59°F to 63°F).
Is it possible to swim in the Celtic Sea in Sennen in September?
The average sea temperature in Sennen 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.