September 8 in San José, through the years

Typical high: 17.7°. Hottest: 22.7° (1997). Coldest night: 1.3° (2018).

YEARHIGHLOWRAIN
2025 16.5° 8.8° 0.7 mm
2024 18.4° 2.9° 0 mm
2023 18.6° 1.4° 0.3 mm
2022 18° 2.6° 0 mm
2021 16.9° 1.8 mm
2020 15.8° 5.8° 0.5 mm
2019 15.5° 6.1° 1.9 mm
2018 19.3° 1.3° 0 mm
2017 15.2° 7.1 mm
2016 15.8° 7.3° 0.1 mm
2015 19.1° 5.2° 0 mm
2014 18° 4.4° 0 mm
2013 18.3° 6.4° 0.5 mm
2012 19.7° 7.5° 0 mm
2011 17.4° 7.4° 1.7 mm
2010 18.6° 5.3° 0.3 mm
2009 19.9° 4.1° 0.4 mm
2008 17.8° 0.4 mm
2007 15.2° 5.6° 0.6 mm
2006 12.8° 6.6° 6.4 mm
2005 16.4° 2.5° 0 mm
2004 15.8° 5.6° 1.5 mm
2003 18.5° 3.4° 0 mm
2002 17.3° 7.4° 0.4 mm
2001 18.2° 6.4° 0.3 mm
2000 18° 0.1 mm
1999 21.9° 5.1° 0 mm
1998 17.8° 0.2 mm
1997 22.7° 3.5° 0 mm
1996 18.9° 2.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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