September 4 in Hallnäs, through the years

Typical high: 17°. Hottest: 21.9° (2002). Coldest night: 11° (2007).

YEARHIGHLOWRAIN
2025 19° 18.1° 0 mm
2024 18.2° 17.1° 0 mm
2023 18.9° 15.6° 0 mm
2022 15.7° 15° 0.9 mm
2021 14.1° 12.6° 0 mm
2020 18.7° 16.3° 4 mm
2019 18° 14.6° 0.8 mm
2018 17.8° 17.1° 0 mm
2017 16.8° 16.3° 15.3 mm
2016 16.4° 14.5° 0 mm
2015 16.9° 14.4° 6.5 mm
2014 16° 15.3° 0 mm
2013 17° 15.4° 0 mm
2012 18.2° 15.1° 0 mm
2011 17.7° 16° 0 mm
2010 13.9° 11.5° 1.9 mm
2009 16.6° 14.9° 0 mm
2008 16.1° 14° 0.7 mm
2007 13.1° 11° 0 mm
2006 19.2° 15.5° 0.4 mm
2005 16.1° 15.6° 0 mm
2004 16.7° 15.4° 0 mm
2003 16.5° 14.1° 0 mm
2002 21.9° 19.3° 0 mm
2001 15.7° 14.8° 5.4 mm
2000 14.3° 12.7° 0 mm
1999 18.3° 15.3° 0 mm
1998 14.9° 13.7° 0 mm
1997 20.9° 19.8° 5.6 mm
1996 17.1° 14.6° 1.6 mm
Source: ERA5 reanalysis (Copernicus C3S)

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