September 1 in Heikkilä, through the years

Typical high: 15.1°. Hottest: 22.7° (2004). Coldest night: 2.2° (1998).

YEARHIGHLOWRAIN
2025 19.2° 6.1° 0 mm
2024 18° 11° 0.4 mm
2023 19.2° 15.5° 1.6 mm
2022 9.6° 4.8° 0.3 mm
2021 11.6° 5.8° 1.6 mm
2020 15.2° 3.9° 0 mm
2019 22.4° 12.3° 0 mm
2018 18.1° 11.2° 0.4 mm
2017 15.7° 9.5° 16.4 mm
2016 16° 9.1° 7.7 mm
2015 16° 6.4° 1.2 mm
2014 12.8° 3.8° 0.3 mm
2013 17.6° 3.6° 0.3 mm
2012 11.2° 4.6° 0 mm
2011 14.6° 10.3° 4 mm
2010 11.3° 5.3° 8.5 mm
2009 16.8° 10.3° 2.7 mm
2008 8.4° 3.2° 0.1 mm
2007 6.7° 2.4° 4.8 mm
2006 14.8° 11.2° 0 mm
2005 17.9° 4.8° 0 mm
2004 22.7° 14° 1.6 mm
2003 5.6° 2.5° 4.8 mm
2002 15.5° 9.8° 5.9 mm
2001 14.6° 2.9° 0 mm
2000 14.5° 11.2° 18.3 mm
1999 17° 6.3° 0 mm
1998 14.8° 2.2° 0 mm
1997 16° 0 mm
1996 20.4° 12.1° 0.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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