September 4 in San José, through the years

Typical high: 32.9°. Hottest: 39.8° (2000). Coldest night: 18.3° (2010).

YEARHIGHLOWRAIN
2025 35.3° 20.5° 0 mm
2024 26.9° 21.4° 12.4 mm
2023 39.2° 22.7° 0 mm
2022 28.7° 21° 1 mm
2021 36.2° 23.9° 0.1 mm
2020 32.6° 21.8° 0.1 mm
2019 32.8° 21.9° 0 mm
2018 30.2° 22.1° 0.8 mm
2017 32.6° 20.4° 0 mm
2016 33.8° 22° 0 mm
2015 36.6° 23.2° 0 mm
2014 32° 22.4° 0 mm
2013 35.3° 22° 0 mm
2012 38° 24.8° 0 mm
2011 34° 24° 0 mm
2010 30.4° 18.3° 0 mm
2009 31° 22.5° 3 mm
2008 31.4° 19° 0 mm
2007 29.6° 19.8° 1.1 mm
2006 32.6° 23.1° 0 mm
2005 34.1° 22° 1.7 mm
2004 31.9° 19.8° 0 mm
2003 28.1° 21.9° 0.6 mm
2002 34.5° 23.8° 0 mm
2001 29.2° 18.9° 3.9 mm
2000 39.8° 22.2° 0 mm
1999 33.6° 23.4° 1.4 mm
1998 35.6° 21.4° 0 mm
1997 31° 20.9° 0 mm
1996 31.2° 21.6° 2.6 mm
Source: ERA5 reanalysis (Copernicus C3S)

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