September 3 in Dún Laoghaire, through the years

Typical high: 17.6°. Hottest: 21.5° (2023). Coldest night: 8.6° (2015).

YEARHIGHLOWRAIN
2025 16.6° 12.7° 13.6 mm
2024 16.5° 0.8 mm
2023 21.5° 12.4° 0 mm
2022 15.2° 12.2° 25.3 mm
2021 15° 12.8° 0 mm
2020 17.3° 12.4° 0 mm
2019 19.3° 13.3° 0.9 mm
2018 15.9° 1 mm
2017 18.4° 13.8° 21.9 mm
2016 17.8° 12.6° 21.8 mm
2015 13.6° 8.6° 0.7 mm
2014 18.3° 11° 0.3 mm
2013 20.5° 12.8° 0 mm
2012 20.2° 11.3° 0 mm
2011 15.7° 10.1° 12.3 mm
2010 18.8° 11.1° 0 mm
2009 14.9° 9.9° 2.1 mm
2008 14.6° 9.3° 2.9 mm
2007 16.7° 10.6° 0 mm
2006 17.8° 14.2° 2.5 mm
2005 18.9° 11.5° 0 mm
2004 19.6° 10.9° 0 mm
2003 18.2° 12.1° 0 mm
2002 18.4° 10.2° 0 mm
2001 16.8° 12.6° 1.4 mm
2000 18° 11.7° 0 mm
1999 20.6° 16.4° 0 mm
1998 17.8° 9.9° 0 mm
1997 18.2° 12.8° 3.9 mm
1996 17.9° 15° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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