September 9 in San José, through the years

Typical high: 26.6°. Hottest: 28.4° (2022). Coldest night: 15.1° (2016).

YEARHIGHLOWRAIN
2025 25.7° 17.7° 17 mm
2024 27.6° 18.8° 22.5 mm
2023 28.1° 17.8° 4.3 mm
2022 28.4° 18.6° 5.3 mm
2021 26.2° 18.5° 17.5 mm
2020 27.4° 18.5° 19.5 mm
2019 26.9° 17.9° 20.1 mm
2018 27.6° 17.7° 14.4 mm
2017 28.4° 17.3° 0.2 mm
2016 26.8° 15.1° 14.2 mm
2015 25.9° 18.7° 3.8 mm
2014 25.4° 17.7° 15.2 mm
2013 27° 18.4° 12.8 mm
2012 24.8° 17.4° 28 mm
2011 27° 17.9° 6.5 mm
2010 27.6° 18.4° 5.4 mm
2009 26.7° 18.7° 7.3 mm
2008 27.2° 17° 7 mm
2007 26.7° 16.5° 26.7 mm
2006 25.3° 17.6° 20.7 mm
2005 27.1° 17.5° 2.7 mm
2004 26.2° 16° 7.2 mm
2003 26.1° 17.5° 0.1 mm
2002 27.6° 18.2° 12.3 mm
2001 23.5° 16.7° 12.3 mm
2000 26.4° 16.6° 9 mm
1999 26.5° 16.6° 10.3 mm
1998 23.6° 17.5° 5.9 mm
1997 26.5° 16.5° 17.5 mm
1996 26.7° 16.7° 14.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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