September 6 in Pen-y-Lan, through the years

Typical high: 18.4°. Hottest: 25.5° (2023). Coldest night: 5.5° (2015).

YEARHIGHLOWRAIN
2025 20.2° 13.1° 0.1 mm
2024 20° 14.7° 9.9 mm
2023 25.5° 15.5° 0 mm
2022 19.1° 14.3° 10.6 mm
2021 23.9° 14.1° 0 mm
2020 17.4° 10.5° 0.6 mm
2019 16.7° 11.8° 0.5 mm
2018 15.8° 9.3° 0.8 mm
2017 16.6° 13° 0 mm
2016 19.9° 17.2° 0.5 mm
2015 16.6° 5.5° 0 mm
2014 20° 12° 0.1 mm
2013 15.9° 9.3° 0.4 mm
2012 17.8° 6.8° 0 mm
2011 15.9° 12.8° 19.2 mm
2010 16.6° 13.1° 19.1 mm
2009 16° 13.1° 2.5 mm
2008 15.1° 12.1° 4.4 mm
2007 21.7° 12.1° 0 mm
2006 18.4° 14.3° 0.3 mm
2005 21.2° 11.6° 0 mm
2004 23.6° 16.8° 0 mm
2003 16.6° 10.3° 3 mm
2002 16.5° 12.9° 7.1 mm
2001 16.4° 11.6° 0 mm
2000 16.3° 11.5° 1.6 mm
1999 20.2° 14.7° 0.1 mm
1998 18.3° 14.1° 5 mm
1997 16.1° 10.7° 0 mm
1996 18.8° 9.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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