September 11 in Heinäaho, through the years

Typical high: 15.2°. Hottest: 21.4° (2025). Coldest night: 3.3° (2005).

YEARHIGHLOWRAIN
2025 21.4° 13.4° 0 mm
2024 19.7° 15.1° 0.4 mm
2023 18.4° 15.6° 0.6 mm
2022 13.5° 7.9° 0.1 mm
2021 11.5° 8.5° 8.6 mm
2020 12.2° 7.3° 0.6 mm
2019 19.5° 14.1° 1.5 mm
2018 15.4° 11.4° 7.5 mm
2017 15.2° 10.1° 5.3 mm
2016 17° 11.3° 0.7 mm
2015 18.5° 6.1° 0 mm
2014 18.4° 10.6° 0.1 mm
2013 14.6° 10.2° 4.1 mm
2012 16.8° 10.6° 2.3 mm
2011 14.6° 10.6° 0.1 mm
2010 14.4° 10.2° 0 mm
2009 15.4° 6.3° 0.8 mm
2008 9.1° 3.5° 0 mm
2007 13.7° 4.8° 0 mm
2006 16.6° 9.3° 0 mm
2005 13.1° 3.3° 0 mm
2004 13.4° 6.6° 0 mm
2003 15.7° 6.2° 0 mm
2002 16° 4.6° 0 mm
2001 15.1° 10.3° 1.7 mm
2000 10.8° 7.6° 1.5 mm
1999 16.1° 8.7° 0 mm
1998 16.6° 13.9° 0.8 mm
1997 14.2° 10.2° 1.9 mm
1996 10.4° 5.9° 1.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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