September 9 in Altona, through the years

Typical high: 16°. Hottest: 24.2° (2021). Coldest night: -0.6° (2023).

YEARHIGHLOWRAIN
2025 14.8° 5.6° 5.3 mm
2024 16.5° 7.1° 0.2 mm
2023 12.6° -0.6° 0 mm
2022 13.8° 9.4° 3.3 mm
2021 24.2° 7.1° 0 mm
2020 17.2° 7.2° 0 mm
2019 14° 2.6° 0 mm
2018 18.3° 5.9° 0 mm
2017 13.1° 3.1° 0 mm
2016 14.4° 9.2° 4.3 mm
2015 14° 7.4° 0 mm
2014 17.4° 9.7° 4.7 mm
2013 21.2° 11.3° 0 mm
2012 16.3° 4.7° 0 mm
2011 12.4° 4.7° 0.7 mm
2010 17.2° 9.3° 1.2 mm
2009 12.8° 3.8° 0 mm
2008 16.6° 0.7° 0 mm
2007 22° 11.2° 0.8 mm
2006 12.8° 5.4° 0 mm
2005 22.3° 0 mm
2004 13.2° 6.5° 0.3 mm
2003 17.2° 7.8° 0 mm
2002 11.9° 0 mm
2001 15.4° 5.1° 0 mm
2000 13.8° 8.6° 1.3 mm
1999 15.6° 10.3° 1.7 mm
1998 17.3° 4.7° 0 mm
1997 17.2° 6.1° 0 mm
1996 15.3° 6.1° 0.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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