September 10 in Costa Rica, through the years

Typical high: 29°. Hottest: 31.4° (2016). Coldest night: 17.8° (2011).

YEARHIGHLOWRAIN
2025 29.7° 21.2° 9.9 mm
2024 29.6° 21.1° 10.2 mm
2023 30.8° 23° 2.8 mm
2022 30° 20.6° 1.3 mm
2021 29.3° 22° 67.4 mm
2020 27.6° 21.2° 12.5 mm
2019 30.5° 20.8° 28 mm
2018 29° 20.2° 2.9 mm
2017 29.4° 21.7° 18.3 mm
2016 31.4° 21.2° 12.6 mm
2015 29° 21.2° 6.5 mm
2014 27.1° 20.9° 22 mm
2013 27.4° 21.4° 32.2 mm
2012 29.1° 21.3° 21.9 mm
2011 30.1° 17.8° 0 mm
2010 29.3° 21.1° 1.5 mm
2009 28° 22.3° 7.3 mm
2008 28.9° 21.4° 3.1 mm
2007 30.7° 20.6° 6.4 mm
2006 29.4° 20.4° 18.8 mm
2005 30.9° 22.9° 0.1 mm
2004 28.9° 19.5° 14.3 mm
2003 30.3° 20.9° 7.8 mm
2002 28.9° 21.3° 3.1 mm
2001 24.8° 20.1° 7.7 mm
2000 28.6° 20.3° 8.9 mm
1999 29° 19.2° 25.6 mm
1998 23.2° 19.6° 121.8 mm
1997 28.7° 21.1° 17.9 mm
1996 29.7° 21° 13.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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