September 5 in San José, through the years

Typical high: 30.9°. Hottest: 35.1° (2019). Coldest night: 19.5° (1999).

YEARHIGHLOWRAIN
2025 34.8° 22.9° 2.8 mm
2024 32.7° 22.9° 11.6 mm
2023 31.7° 22.2° 0.2 mm
2022 30.6° 22.2° 10 mm
2021 31.4° 20.3° 1.2 mm
2020 31.3° 21.2° 22.8 mm
2019 35.1° 21.3° 2.1 mm
2018 34.9° 21.1° 7.6 mm
2017 33.3° 22.6° 9.8 mm
2016 32.6° 20.1° 2.6 mm
2015 31.6° 22° 19.3 mm
2014 32.3° 22.4° 5.5 mm
2013 31° 20.9° 4.1 mm
2012 32° 21.8° 5.8 mm
2011 29° 21.4° 5.1 mm
2010 29.9° 20.8° 7.3 mm
2009 33.3° 23.3° 3.6 mm
2008 26.8° 20.9° 13.1 mm
2007 24.7° 21.1° 25 mm
2006 32.8° 20.7° 3.7 mm
2005 30.5° 22° 6.5 mm
2004 31° 20.8° 6.3 mm
2003 31.4° 20.2° 2.9 mm
2002 29° 20.7° 5 mm
2001 28° 20.8° 9.2 mm
2000 27.9° 21.4° 7.8 mm
1999 28.9° 19.5° 6.4 mm
1998 28° 20.6° 9.3 mm
1997 31.5° 22.1° 6.1 mm
1996 30° 20° 2.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

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