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Dublin Weather September
Dublin is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Dublin in September.
average daily high | +17.3°C | |
average daily low | +11.4°C | |
sea temperature | +14.9°C | |
daytime | 13.2 h | |
sunny / overcast hours | 4.3 / 8.9 | |
average monthly precipitation | 57 mm | |
Best time with the soft weather for the sightseeing and long walks in Dublin are June, July, August.
Temperature in Dublin
In September the average daily maximum in Dublin is +17.3°C, and the minimum +11.4°C.
The hottest September day on record is +27.6°C, and the coldest -1.7°C.
Best beach resorts in September:
Daylight hours
There are 13.2 hours of daylight in Dublin in September. Out of these, on average 4.3 are sunny, which means it is mostly cloudy.
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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°C.
The water is cold and only apt for bathing for the most hardy people.
Precipitation
The amount of precipitation in Dublin in September is usually 57 mm, which may cause a change of plans on certain days.