September 10 in Costa Rica, through the years

Typical high: 24.5°. Hottest: 26.7° (2019). Coldest night: 16° (2000).

YEARHIGHLOWRAIN
2025 24.5° 18.6° 2.3 mm
2024 24.5° 19.3° 14.6 mm
2023 26° 19.7° 42 mm
2022 22.4° 17.2° 39.9 mm
2021 25.2° 18.3° 14 mm
2020 24.2° 18.4° 21.3 mm
2019 26.7° 18.6° 1.7 mm
2018 25.4° 18.5° 1.3 mm
2017 26° 18.3° 59.8 mm
2016 24° 19° 10.1 mm
2015 26.3° 19.9° 2.9 mm
2014 25.2° 19.2° 0 mm
2013 24.4° 17.1° 47.6 mm
2012 25.8° 16.8° 0 mm
2011 24.5° 18° 9.5 mm
2010 25.5° 17.6° 0 mm
2009 24.8° 18.8° 4.7 mm
2008 23.9° 17° 9.4 mm
2007 24.7° 17.2° 7.1 mm
2006 25° 18.2° 5.9 mm
2005 24° 17.9° 6.8 mm
2004 22.2° 17° 79.7 mm
2003 24.6° 17.3° 37.3 mm
2002 24.4° 16.9° 21.1 mm
2001 24.1° 17.2° 20.6 mm
2000 21.3° 16° 35.7 mm
1999 22.9° 17.9° 21.4 mm
1998 23.3° 16.9° 22 mm
1997 24.8° 17.4° 19.3 mm
1996 24.3° 17.7° 7.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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