Carnlough
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Carnlough, United Kingdom

Sea temperature

September is the month with the warmest seawater in Carnlough, United Kingdom, with an average sea temperature of 14.3°C (57.7°F).
Note: Swimming in 14.3°C (57.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In September, the average length of the day is 12.7h.

When is the sea warmest in Carnlough?

September is the month with the warmest seawater, with an average sea temperature of 14.3°C (57.7°F).

What is the sea water temperature in September in Carnlough?

In September, the average sea temperature in Carnlough, United Kingdom, is 14.3°C (57.7°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.

How many hours of daylight does Carnlough have in September?

In September, the average length of the day is 12.7h.
Average sea temperature in September - Carnlough, United Kingdom
  • Average sea temperature in September: 14.3°C

The best month for swimming (with the highest average sea temperature) is September (14.3°C).
The coldest month (with the lowest average sea temperature) is March (8°C).

Average daylight in September - Carnlough, United Kingdom
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.3h).
The month with shortest days is December (Average daylight: 7.3h).