September 1 in Lammi, through the years

Typical high: 16.8°. Hottest: 22.3° (2019). Coldest night: 2.9° (2007).

YEARHIGHLOWRAIN
2025 17.8° 10.7° 0 mm
2024 16.8° 11.5° 1 mm
2023 18.9° 13.5° 1.6 mm
2022 12.7° 7.5° 0.9 mm
2021 13.7° 8.9° 0 mm
2020 17.4° 8.3° 0 mm
2019 22.3° 11.4° 0 mm
2018 18.4° 13.6° 1.8 mm
2017 17° 10.6° 0.4 mm
2016 20.1° 11.9° 0.2 mm
2015 19.1° 10° 0.2 mm
2014 12.4° 8.4° 0 mm
2013 16.7° 11.3° 9.2 mm
2012 13.6° 8.5° 5 mm
2011 16.2° 11.3° 2.5 mm
2010 15.7° 7.3° 6.9 mm
2009 17.6° 11.7° 0 mm
2008 13.1° 3.6° 3.5 mm
2007 12° 2.9° 0.2 mm
2006 17.8° 12.7° 0.2 mm
2005 19.2° 7.3° 0 mm
2004 18.4° 14.2° 3.5 mm
2003 8.5° 4.5° 0.5 mm
2002 18.6° 12° 2 mm
2001 17.2° 7.6° 0.1 mm
2000 18.3° 11.1° 0.1 mm
1999 19° 10.6° 0 mm
1998 15° 6.5° 0 mm
1997 18.7° 8.9° 0 mm
1996 21.9° 13.8° 0.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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