September 9 in San José, through the years

Typical high: 29.2°. Hottest: 32.3° (2014). Coldest night: 17.8° (1999).

YEARHIGHLOWRAIN
2025 27.4° 20.8° 0 mm
2024 30.9° 20.8° 0 mm
2023 32.1° 21.3° 0 mm
2022 28.2° 20.8° 0.1 mm
2021 28.7° 19.5° 0 mm
2020 30° 18.2° 0 mm
2019 31.7° 19.1° 0 mm
2018 31.2° 20.3° 0 mm
2017 28.9° 20.6° 4.9 mm
2016 30.6° 20.9° 0 mm
2015 31° 22° 0 mm
2014 32.3° 18.2° 0 mm
2013 30.2° 20.7° 0 mm
2012 31.4° 20.1° 0 mm
2011 27.5° 19.3° 1.1 mm
2010 28.5° 20.1° 1.3 mm
2009 29.7° 21.6° 0 mm
2008 26.6° 19.7° 0.6 mm
2007 27.2° 20.2° 0 mm
2006 30.1° 19.4° 0 mm
2005 30.1° 18.8° 0 mm
2004 28° 19.6° 1.1 mm
2003 25.7° 19.1° 11.3 mm
2002 30.4° 20.6° 0 mm
2001 28° 20.1° 0.3 mm
2000 27.7° 19.7° 0.4 mm
1999 27.8° 17.8° 0 mm
1998 26.6° 18.8° 3.8 mm
1997 28.7° 18.9° 5.1 mm
1996 28.2° 18.7° 0.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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