Average Temperatures for Ireland in September
Average temperatures for September at cities and other places in throughout Ireland are listed below in degrees Celsius and Fahrenheit.
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.
The tables give the normals for maximum and minimum monthly temperatures based on weather data collected from 1981 to 2010.
Ulster
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 62 | 49 | Clones | 17 | 9 |
| 62 | 49 | Donegal | 17 | 10 |
| 60 | 52 | Malin Head | 16 | 11 |
Munster
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 62 | 50 | Cork | 17 | 10 |
| 62 | 52 | Roches Point | 17 | 11 |
| 64 | 51 | Shannon | 18 | 11 |
| 63 | 52 | Valentia | 17 | 11 |
Leinster
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 63 | 49 | Birr | 17 | 9 |
| 63 | 49 | Clondalkin | 17 | 10 |
| 63 | 50 | Dublin | 17 | 10 |
| 64 | 48 | Kilkenny | 18 | 9 |
| 62 | 48 | Mullingar | 17 | 9 |
| 63 | 51 | Wexford | 17 | 11 |
Connacht
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 62 | 51 | Belmullet | 17 | 11 |
| 62 | 47 | Claremorris | 16 | 9 |
| 63 | 51 | Galway | 17 | 10 |
References
Met Eireann. The Irish Meteorological Service Online. Climate. 30 Year Averages.
World Meterorological Organization. World Weather Information Service. Ireland.