On This Day (1 September) in Irish Weather History

A timeline of notable weather events and extremes that have taken place in Ireland on September 1st throughout history.

1901 – Dublin’s Phoenix Park records an overnight low of 1.6 °C, the lowest minimum for the date.

1906 – Clongowes Wood in Kildare sets the all-time August daytime high for Ireland at 29.1 °C. Armagh records 27.8 °C as heatwave conditions sweep across Ireland and Britain, while Phoenix Park reaches 26.7 °C.

1944 – Phoenix Park logs 42.5 mm of rainfall.

1974 – Heavy thundery downpours cause localised flooding in parts of the southeast. Rosslare, Co Wexford, records 33 mm of rainfall, while Shannon in the west logs 30.2 mm.

1988 – Wind gusts exceed 90 km/h at Malin Head and Roches Point. More than an inch of rain falls at Cork Airport, Kilkenny, and Roches Point.

1991 – Temperatures reach the mid-20s across many parts of Ireland.

2014 – The east and southeast begin a three-week spell of weather producing less than 1 mm of rain.

2021 – Malin Head, Co Donegal, records the month’s highest daily sunshine at 13.0 hours.