September 4 in San José, through the years

Typical high: 28.6°. Hottest: 30.3° (2023). Coldest night: 25° (2013).

YEARHIGHLOWRAIN
2025 29.6° 27.3° 2.6 mm
2024 29.9° 27.6° 5.1 mm
2023 30.3° 29.7° 0.4 mm
2022 27.6° 25.7° 16 mm
2021 28.8° 26.1° 5 mm
2020 27.9° 26.3° 9.4 mm
2019 30.2° 29.1° 0 mm
2018 29.1° 27.7° 0.2 mm
2017 27° 25.5° 21.2 mm
2016 28.3° 25.8° 23.3 mm
2015 29.9° 27° 10.5 mm
2014 29.4° 27.2° 21.1 mm
2013 27.8° 25° 9.8 mm
2012 28.7° 27.6° 0.8 mm
2011 30.3° 28.8° 0 mm
2010 27.5° 25.7° 34.2 mm
2009 28.9° 26.7° 1 mm
2008 29.1° 27.1° 0.4 mm
2007 28° 25.6° 4.8 mm
2006 28.4° 25.1° 15.3 mm
2005 27.6° 25.3° 22.4 mm
2004 29° 26.6° 1.2 mm
2003 28° 25.8° 4.6 mm
2002 29.3° 27.7° 0.2 mm
2001 28.9° 27.9° 0.8 mm
2000 28.7° 25.8° 2.2 mm
1999 27.2° 25.3° 13.2 mm
1998 28.2° 26.3° 21.2 mm
1997 27.5° 25.1° 15 mm
1996 28.1° 25.4° 12.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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