September 11 in Haukilahti, through the years

Typical high: 15.5°. Hottest: 22.9° (2025). Coldest night: -1.2° (2005).

YEARHIGHLOWRAIN
2025 22.9° 12.1° 0 mm
2024 20° 14.5° 0.5 mm
2023 19.6° 13.5° 0 mm
2022 12.6° 5.9° 0.2 mm
2021 12.4° 7.2° 4.7 mm
2020 12.2° 4.9° 0.7 mm
2019 20.3° 12.7° 2.6 mm
2018 15.6° 11° 8.2 mm
2017 15.6° 9.4° 5 mm
2016 16.5° 10.7° 1.3 mm
2015 19.4° 2.5° 0 mm
2014 18.3° 10.3° 0 mm
2013 13.9° 8.3° 5.5 mm
2012 16.1° 9.8° 1.6 mm
2011 14.7° 8.7° 0 mm
2010 15° 9.6° 0 mm
2009 14.7° 3.5° 0.6 mm
2008 8.7° 1.8° 0 mm
2007 13.9° 4.2° 3.1 mm
2006 16.7° 0 mm
2005 12.9° -1.2° 0 mm
2004 13° 2.4° 0 mm
2003 17.9° 2.2° 0 mm
2002 17.3° 1.3° 0 mm
2001 15.2° 10.8° 1.9 mm
2000 11.9° 1.8 mm
1999 16.8° 5.9° 0 mm
1998 16.6° 13.5° 4.8 mm
1997 14.6° 8.6° 0 mm
1996 10.6° 4.3° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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