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Ireland Weather September
To help you choose the best time to travel, you can find climate data below on the weather in Ireland in September.
| Ireland Weather September: | Dublin | Cork | |
 | average daily high | +17.3°C | +16.5°C |
 | average daily low | +11.4°C | +10.2°C |
 | sea temperature | +14.9°C | |
 | daylight hours | 13.2h | 13.2h |
 | sunny/overcast hours | 4.3/8.9h | 4.3/8.9h |
 | average monthly precipitation | 57 mm | 95 mm |
Temperature in Ireland
The average daily maximum in September is +17.3 — +16.5°C, and the minimum +11.4 — +10.2°C.
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Sea temperature
The average monthly temperature in Dublin Bay of the Irish Sea on the beaches of Dublin in September is +14.9 degrees.
The water is cold and only apt for bathing for the most hardy people.
Precipitation
The normal amount of precipitation for September is from 57 to 95 mm, which may cause a change of plans on certain days.