September 1 in Harjulanmäki, through the years

Typical high: 15.6°. Hottest: 20.8° (2019). Coldest night: 2.8° (2007).

YEARHIGHLOWRAIN
2025 18.5° 7.8° 0 mm
2024 16.5° 12.4° 1 mm
2023 18.4° 15.5° 2.2 mm
2022 10.3° 4.9° 0.8 mm
2021 12° 7.3° 1.2 mm
2020 16.4° 6.4° 0 mm
2019 20.8° 12.8° 0 mm
2018 18° 10.5° 0.4 mm
2017 15° 8.9° 10.8 mm
2016 17.3° 12.5° 0.7 mm
2015 16.7° 8.3° 3.6 mm
2014 12.9° 7.6° 0.3 mm
2013 17° 9.3° 4.4 mm
2012 12.6° 8.5° 0.9 mm
2011 14.3° 11.3° 7.5 mm
2010 13° 7.4° 6.3 mm
2009 17.3° 11.7° 3 mm
2008 11.2° 4.9° 0 mm
2007 9.8° 2.8° 1.5 mm
2006 15.7° 12° 0.2 mm
2005 18.2° 5.3° 0 mm
2004 19.5° 15.4° 1.8 mm
2003 6.9° 2.9° 8.4 mm
2002 16.1° 11.8° 7.5 mm
2001 16.9° 9.4° 0 mm
2000 16.8° 11.1° 0.7 mm
1999 17.4° 0 mm
1998 14.8° 3.9° 0 mm
1997 17.1° 9.8° 0 mm
1996 19.8° 14.3° 0.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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