September 11 in Castle Rock, through the years

Typical high: 20.3°. Hottest: 29.5° (2013). Coldest night: 2.6° (2008).

YEARHIGHLOWRAIN
2025 20.1° 12.1° 15.5 mm
2024 22° 4.8° 0 mm
2023 17.1° 0 mm
2022 18.7° 11.6° 0.4 mm
2021 25.3° 10.9° 0 mm
2020 16.6° 10.8° 4.1 mm
2019 17.7° 2.9° 0 mm
2018 21.9° 6.2° 0 mm
2017 20.1° 3.1° 0 mm
2016 19.3° 11.8° 7.2 mm
2015 18.1° 6.7° 0 mm
2014 21.8° 12.5° 5.3 mm
2013 29.5° 16.9° 0 mm
2012 23.7° 0 mm
2011 15.4° 5.6° 0.1 mm
2010 21.4° 10.9° 1.4 mm
2009 20.3° 4.1° 0 mm
2008 19° 2.6° 0 mm
2007 21.5° 4.1° 0 mm
2006 14.6° 9.5° 4.8 mm
2005 27.2° 13.2° 0 mm
2004 19° 7.1° 0 mm
2003 24.9° 6.5° 0 mm
2002 19.2° 6.6° 0.6 mm
2001 21.7° 5.9° 0 mm
2000 18.9° 6.8° 0 mm
1999 15.6° 8.7° 7.6 mm
1998 19° 8.5° 0 mm
1997 19.5° 8.7° 0.1 mm
1996 19.6° 8.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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