Weather in September
Sea temperature
In Laytown, Ireland, in September, the average water temperature is 14.7°C (58.5°F).Note: Swimming in 14.7°C (58.5°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
In September, the average length of the day in Laytown is 12h and 41min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:14 pm. On the last day of September, in Laytown, sunrise is at 7:25 am and sunset at 7:03 pm IST.
Frequently asked questions
How cold is the water in September in Laytown?
In Laytown, Ireland, the average seawater temperature in September is 14.7°C (58.5°F). Swimming in 14.7°C (58.5°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.
How many hours of daylight does Laytown have in September?
The average day length in September in Laytown is 12h and 41min.
What time are sunrise and sunset in September in Laytown?
In September, on the first day of the month, sunrise is at 6:34 am and sunset at 8:14 pm. On the last day of the month, in Laytown, sunrise is at 7:25 am and sunset at 7:03 pm IST.
Average sea temperature in September
Laytown, Ireland
- Average sea temperature in September: 14.7°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 (8.3°C).
Average daylight in September
Laytown, Ireland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
Laytown, Ireland
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