Average Humidity for Ireland in September

The average humidity levels during morning and afternoon in September are listed below for cities and other places across Ireland.

Relative humidity measures the actual amount of moisture in the air as a percentage of the maximum amount of moisture the air can hold.

All the numbers here are based on weather data collected from 1981 to 2010.

You can jump to a separate table for each region of the country: Ulster, Munster, Leinster and Connacht. Ulster province includes the counties that border Northern Ireland. Munster province covers the southern part of Ireland. Leinster province is in the east, while Connacht (or Connaught) is in the west.


Average September humidity
Place 9 am 3 pm
Clones 87 73
Malin Head 83 78


September relative humidity averages
Place 9 am 3 pm
Cork 88 75
Roches Point 86 77
Shannon 85 69
Valentia 84 77


Average humidity in September
Place 9 am 3 pm
Birr 87 70
Clondalkin 85 72
Dublin 83 72
Kilkenny 85 68
Mullingar 88 72
Wexford 84 77


September relative humidity
Place 9 am 3 pm
Belmullet 85 78
Claremorris 88 75

Met Eireann. The Irish Meteorological Service Online. Climate. 30 Year Averages.

Ireland Humidity
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