September 4 in Altona, through the years

Typical high: 22.8°. Hottest: 30.8° (1998). Coldest night: 2.8° (2025).

YEARHIGHLOWRAIN
2025 8.8° 2.8° 10.5 mm
2024 22.7° 16.6° 0 mm
2023 30.5° 17.8° 0 mm
2022 25.5° 9.6° 0 mm
2021 22.5° 12.2° 0.4 mm
2020 21.6° 8.1° 0.1 mm
2019 23.6° 6.9° 0 mm
2018 22.5° 13.3° 0 mm
2017 20.1° 12.8° 1.3 mm
2016 19.7° 14° 34.5 mm
2015 25.9° 19.9° 32.6 mm
2014 21° 11.5° 8.4 mm
2013 20° 5.8° 0 mm
2012 27.9° 9.7° 0.9 mm
2011 18.2° 9.5° 0.6 mm
2010 18.9° 5.4° 0 mm
2009 26.6° 14.5° 0 mm
2008 14.7° 6.6° 3 mm
2007 26.9° 8.6° 0 mm
2006 28.3° 0 mm
2005 28.7° 14.5° 0.6 mm
2004 19.1° 12.7° 11.1 mm
2003 24.9° 4.5° 0 mm
2002 25.7° 12.5° 0 mm
2001 30.6° 12° 0 mm
2000 17.9° 8.5° 0.3 mm
1999 13.2° 11.5° 13.8 mm
1998 30.8° 12.4° 0 mm
1997 24.7° 11.2° 0.2 mm
1996 22.8° 8.4° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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