September 10 in Björnö, through the years

Typical high: 17.8°. Hottest: 23.7° (2023). Coldest night: 7.6° (1996).

YEARHIGHLOWRAIN
2025 19.7° 17.8° 1 mm
2024 18° 14.9° 2 mm
2023 23.7° 14.8° 0 mm
2022 17° 14.3° 2.9 mm
2021 19.5° 14.6° 0 mm
2020 17.5° 12.1° 0 mm
2019 18.9° 14.6° 2.1 mm
2018 19.3° 15.4° 0.2 mm
2017 17.3° 13.1° 0 mm
2016 21° 14.3° 0 mm
2015 15.7° 10.3° 0 mm
2014 16.8° 11° 0.1 mm
2013 17.9° 13.9° 0.1 mm
2012 19.2° 14.3° 0 mm
2011 16.6° 11.2° 0 mm
2010 15.3° 14° 6.9 mm
2009 17.4° 13.2° 0.6 mm
2008 14.4° 11.8° 0.8 mm
2007 14.1° 11.9° 5.6 mm
2006 20.2° 12.6° 0 mm
2005 16.8° 13.9° 0.5 mm
2004 20.8° 12.2° 0 mm
2003 16.5° 13.5° 0.1 mm
2002 21.5° 15.5° 0 mm
2001 13.4° 11.6° 14.5 mm
2000 17° 12.7° 0 mm
1999 20.3° 15.2° 0 mm
1998 18.5° 15.4° 4.4 mm
1997 17° 12.3° 0 mm
1996 13.8° 7.6° 6.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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