September 11 in San José, through the years

Typical high: 14.6°. Hottest: 19.1° (2016). Coldest night: -3.1° (2007).

YEARHIGHLOWRAIN
2025 17.2° -0.8° 0.8 mm
2024 18.6° -0.3° 0 mm
2023 15.2° 1 mm
2022 18.4° 2.5° 0.1 mm
2021 15.7° 0.7° 2.3 mm
2020 15.4° 0.4° 0.4 mm
2019 12.2° 1.9° 0 mm
2018 16.3° -0.7° 0.1 mm
2017 10.5° 1.4° 3 mm
2016 19.1° -1.3° 0 mm
2015 16.4° 0.1 mm
2014 12.4° 0.3° 2.5 mm
2013 14.4° -0.8° 2 mm
2012 16.1° -1.5° 2.6 mm
2011 12.5° -1.4° 2.1 mm
2010 16° -0.7° 0 mm
2009 12.8° -0.3° 5.2 mm
2008 13.7° -0.5° 1.3 mm
2007 13.3° -3.1° 1.8 mm
2006 16.4° -1.2° 0 mm
2005 11.5° -2.7° 1.1 mm
2004 14.1° 1.7° 6 mm
2003 10.8° -0.5° 3.2 mm
2002 11.8° -0.3° 0.1 mm
2001 13.1° -0.1° 0.2 mm
2000 14.3° 2.6° 0 mm
1999 16.1° 0.3° 0 mm
1998 16° 0.9° 0 mm
1997 14.4° -1.1° 0 mm
1996 13.3° 1.7° 0.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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