September 1 in San José, through the years

Typical high: 28.1°. Hottest: 32° (2025). Coldest night: 16.9° (2024).

YEARHIGHLOWRAIN
2025 32° 18.7° 1.2 mm
2024 28.6° 16.9° 8.8 mm
2023 30.7° 20.3° 4.2 mm
2022 26.6° 17.6° 6.5 mm
2021 27° 18.4° 2.7 mm
2020 29.6° 17.2° 0.6 mm
2019 29.6° 19.3° 8.6 mm
2018 30.7° 18.7° 7.4 mm
2017 29.3° 18.3° 0 mm
2016 27.8° 19.1° 7.4 mm
2015 30.3° 20.4° 20 mm
2014 28.4° 18.9° 2.8 mm
2013 26.4° 18.6° 4.4 mm
2012 28.6° 18.4° 0.2 mm
2011 28.7° 17.7° 6.3 mm
2010 27.8° 18.3° 4.4 mm
2009 30.7° 19.6° 0.7 mm
2008 25° 19.4° 10 mm
2007 27° 18° 18.7 mm
2006 27.6° 18° 13.2 mm
2005 28.2° 18.6° 23.3 mm
2004 29.8° 19.4° 0.3 mm
2003 26.4° 17.6° 12.9 mm
2002 25.2° 19.1° 12.5 mm
2001 28.2° 18.4° 20.2 mm
2000 25.9° 19.1° 3.8 mm
1999 25.4° 18.6° 12.9 mm
1998 26.3° 18.4° 2.6 mm
1997 28.5° 19.1° 7 mm
1996 27.1° 17.6° 2.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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