September 11 in San José Costa Rica, through the years

Typical high: 25.4°. Hottest: 27.9° (2005). Coldest night: 14.3° (2004).

YEARHIGHLOWRAIN
2025 25.7° 17.5° 9.2 mm
2024 26.4° 17.8° 8.2 mm
2023 27.5° 17.3° 5.1 mm
2022 24.4° 17° 20.2 mm
2021 24° 15.7° 8 mm
2020 27° 16.3° 6.7 mm
2019 27.8° 15.6° 22.3 mm
2018 26.5° 16.7° 10.1 mm
2017 24.4° 16.6° 29.8 mm
2016 25.8° 15.3° 10 mm
2015 27.5° 16.6° 1 mm
2014 23.4° 17° 22.6 mm
2013 21.6° 16.7° 41.9 mm
2012 23.5° 17.1° 13.2 mm
2011 25.4° 16.5° 13.4 mm
2010 25.8° 16.7° 10.8 mm
2009 24.8° 17.3° 26.5 mm
2008 26.6° 16.4° 8.6 mm
2007 26.2° 14.6° 19.4 mm
2006 26.2° 16.9° 5 mm
2005 27.9° 14.5° 2.5 mm
2004 25.9° 14.3° 7.4 mm
2003 24.9° 14.7° 8.9 mm
2002 26.3° 18.2° 1.8 mm
2001 23.5° 17.1° 12.4 mm
2000 25.2° 16.2° 22.2 mm
1999 23.6° 14.7° 14 mm
1998 22° 17.3° 29.3 mm
1997 25.1° 15.6° 27.3 mm
1996 25.9° 15.3° 0.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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