September 4 in Shannon, through the years

Typical high: 28.1°. Hottest: 34.5° (2023). Coldest night: 9.6° (2025).

YEARHIGHLOWRAIN
2025 22.3° 9.6° 0 mm
2024 29.1° 14.3° 0 mm
2023 34.5° 21.5° 0 mm
2022 27.2° 16.7° 0.9 mm
2021 25.1° 18.8° 5.1 mm
2020 27.8° 11.8° 0 mm
2019 26.3° 18.2° 0.6 mm
2018 27° 23° 12.8 mm
2017 28.4° 18.9° 0 mm
2016 28° 18.1° 0.3 mm
2015 32.5° 22.1° 0 mm
2014 33.5° 24.5° 0 mm
2013 30.2° 15.2° 0 mm
2012 34° 22.2° 0 mm
2011 23.8° 15° 5.7 mm
2010 25.8° 9.7° 0 mm
2009 22.9° 17.1° 4 mm
2008 20.2° 12.6° 8.2 mm
2007 32.1° 19.6° 0.2 mm
2006 22.4° 13.2° 0 mm
2005 30.5° 19.4° 0.4 mm
2004 30° 19° 0 mm
2003 25° 11.5° 0 mm
2002 32.1° 19.4° 0 mm
2001 29.3° 18.6° 0 mm
2000 29.7° 20.8° 0.1 mm
1999 30.1° 19.3° 18.8 mm
1998 31.1° 18.3° 0 mm
1997 22.4° 10.1° 0 mm
1996 29.7° 18.2° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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