September 11 in Heikkilänmäki, through the years

Typical high: 16.1°. Hottest: 23.6° (2025). Coldest night: 0.4° (2005).

YEARHIGHLOWRAIN
2025 23.6° 13.9° 0 mm
2024 17.2° 14.2° 10 mm
2023 19.7° 8.8° 0 mm
2022 14.2° 6.3° 0 mm
2021 14.6° 8.8 mm
2020 12.7° 6.4° 0 mm
2019 20.3° 13.4° 1.3 mm
2018 16.7° 12.1° 5.3 mm
2017 16.5° 10.2° 0 mm
2016 17.8° 12.4° 1.8 mm
2015 19.8° 1.3° 0 mm
2014 18.4° 10.2° 0 mm
2013 17.6° 8.3° 0 mm
2012 16.5° 11.5° 0.2 mm
2011 16.4° 9.1° 0 mm
2010 16.6° 9.8° 0.4 mm
2009 14.6° 5.6° 0.1 mm
2008 10.9° 2.3° 0 mm
2007 12° 7.1° 6 mm
2006 17° 8.4° 0 mm
2005 13.8° 0.4° 0 mm
2004 13.1° 3.7° 0 mm
2003 20.4° 3.9° 0 mm
2002 19.1° 2.2° 0 mm
2001 15.6° 10.8° 1 mm
2000 13° 7.7° 1.4 mm
1999 17° 5.8° 0 mm
1998 16.2° 14° 6.1 mm
1997 13.8° 7.8° 0.6 mm
1996 9.3° 4.1° 7.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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