Weather in October
Sea temperature
In Sennen, United Kingdom, in October, the average water temperature is 14.8°C (58.6°F).Note: Swimming in 14.8°C (58.6°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
The average length of the day in October is 10h and 44min.On the first day of the month, sunrise is at 7:23 am and sunset at 7:00 pm BST. On the last day of October, sunrise is at 7:11 am and sunset at 5:00 pm GMT.
Note: On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. Daylight Saving Time starts again on Sunday, 30. March 2025, at 1:00 am; consequently, the time zone reverts from GMT to BST.
Frequently asked questions
What is the water temperature in October in Sennen?
In Sennen, the average seawater temperature in October is 14.8°C (58.6°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
What is the average length of the day in October in Sennen?
In October, the average day length in Sennen, United Kingdom, is 10h and 44min.
What time are sunrise and sunset in October in Sennen?
On the first day of October in Sennen, sunrise is at 7:23 am and sunset at 7:00 pm BST. On the last day of the month, sunrise is at 7:11 am and sunset at 5:00 pm GMT.
When does Daylight Saving Time (DST) end in October in Sennen?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Sennen, and the time zone changes from BST to GMT. The next DST starts on Sunday, 30. March 2025, at 1:00 am.
Average sea temperature in October
Sennen, United Kingdom
- Average sea temperature in October: 14.8°C
The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).
Average daylight in October
Sennen, United Kingdom
- Average daylight in October: 10h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
Sennen, United Kingdom
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