September 1 in Heijostenmäki, through the years

Typical high: 16°. Hottest: 21.6° (2019). Coldest night: 0.9° (2007).

YEARHIGHLOWRAIN
2025 20.1° 6.1° 0 mm
2024 15.6° 11.4° 2.6 mm
2023 18.5° 14.8° 3.9 mm
2022 11° 2.4° 0.4 mm
2021 11.8° 6.1° 0.2 mm
2020 17° 5.6° 0 mm
2019 21.6° 11.9° 0 mm
2018 18.8° 9.9° 0.7 mm
2017 15.4° 8.4° 6.9 mm
2016 17.8° 12.1° 0.8 mm
2015 17.8° 6.1° 1 mm
2014 13.2° 0.3 mm
2013 16.3° 8.5° 5.3 mm
2012 13.3° 8.8° 2.7 mm
2011 13.2° 10.3° 4.8 mm
2010 13.7° 3.2° 4.9 mm
2009 17.2° 11° 1.5 mm
2008 12.6° 2.1° 0.1 mm
2007 9.9° 0.9° 0.2 mm
2006 17.2° 10.6° 0 mm
2005 18.7° 1.7° 0 mm
2004 18.1° 13.8° 4.6 mm
2003 7.7° 1.7° 2.1 mm
2002 16° 10.4° 4.6 mm
2001 17.7° 0.4 mm
2000 17.1° 9.2° 0.2 mm
1999 19.2° 8.5° 0 mm
1998 14.9° 2.3° 0 mm
1997 18.4° 8.6° 0 mm
1996 19.2° 13.5° 0.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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