September Rainfall and Precipitation in County Antrim
Average rainfall, rainy days and the driest cities in County Antrim, Ireland in September.
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Best Places to Visit in County Antrim in September
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across County Antrim.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.
County Antrim precipitation in September: frequently asked questions
How much rainfall does County Antrim, Ireland receive in September?
Lisburn stays mostly dry in September, with average rainfall close to 79 mm (3.1 in).
How many days does it rain in County Antrim, Ireland in September?
Expect around 18 days rainy days in Lisburn during September.
Is September part of the rainy season in County Antrim, Ireland?
Not really. September is outside the wettest stretch of the year in County Antrim, Ireland.
Interested in more climate information?
We have much more information about the climate in County Antrim.
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