September 11 in Helensburgh, through the years

Typical high: 17.9°. Hottest: 24.5° (2021). Coldest night: 8.6° (2008).

YEARHIGHLOWRAIN
2025 15.4° 12.8° 61.4 mm
2024 20.3° 12.9° 0 mm
2023 16.3° 10.4° 0 mm
2022 18° 11.6° 2 mm
2021 24.5° 11.3° 0 mm
2020 16.6° 13° 0 mm
2019 17° 9.4° 0 mm
2018 18.4° 12.3° 0 mm
2017 19.2° 9.7° 0 mm
2016 16.6° 12° 0 mm
2015 18.9° 13° 0 mm
2014 20.5° 12.9° 0 mm
2013 20.4° 12.8° 0 mm
2012 16.9° 12.6° 0 mm
2011 16.2° 10.2° 1.2 mm
2010 16.4° 11.1° 0 mm
2009 18.2° 10.1° 0 mm
2008 16.4° 8.6° 0 mm
2007 18.2° 13.4° 0 mm
2006 14.8° 12.1° 24.5 mm
2005 20.3° 12.9° 2.9 mm
2004 21.1° 11.1° 0 mm
2003 20.1° 12.4° 0.3 mm
2002 14.5° 8.8° 1.2 mm
2001 17.9° 12.5° 0.1 mm
2000 19.4° 10.4° 0 mm
1999 14.9° 10.4° 0 mm
1998 17.2° 14.7° 9.8 mm
1997 15.8° 11.3° 0.1 mm
1996 15.6° 10.5° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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