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

September weather forecast and climate
Airth, United Kingdom

Sea temperature

In Airth, United Kingdom, the average seawater temperature in September is 14.1°C (57.4°F).
Note: Swimming in 14.1°C (57.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.


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

What is the sea water temperature in September in Airth?

In September, the average sea temperature in Airth is 14.1°C (57.4°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 Airth have in September?

In September, the average length of the day in Airth is 12.7h.
Average sea temperature in September - Airth, United Kingdom
  • Average sea temperature in September: 14.1°C

The best month for swimming (with the highest average sea temperature) is August (14.5°C).
Coldest months (with the lowest average sea temperature) are February and March (7°C).

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

The month with the longest days is June (Average daylight: 17.5h).
The month with shortest days is December (Average daylight: 7.1h).