Killybegs
Ireland
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Killybegs, Ireland

Sea temperature

In Killybegs, Ireland, in September, the average water temperature is 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 in Killybegs is 12.7h.

What is the sea water temperature in September in Killybegs?

In Killybegs, in September, the average water temperature 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.

What is the average length of the day in September in Killybegs?

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

The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (9.2°C).

Average daylight in September - Killybegs, Ireland
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.2h).
The month with shortest days is December (Average daylight: 7.4h).