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Alajuela — weather in September, water temperature

26.1°C Daytime temperatures 18.5°C Night temperatures 3 Sunny days 12-12.3 Sun (hours) 26 Rainy days 621.2 mm Precipitation 28.6°C water temperature
Air temperature
2017 2016 2015 2014 2013
The maximum daily temperature 30°C — 19 September 2016.
The maximum night temperature 21.5°C — 4 September 2015.
The minimum daily temperature 22°C — 10 September 2017.
The minimum night temperature 16.3°C — 4 September 2013.
water temperature
2017 2016 2015 2014 2013
The warmest water 29.7 °C — 21 September 2015. The coldest water 27.8 °C — 13 September 2016.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 672.8 mm — October. Minimum precipitation 24 mm — February.
Wind speed, km / h
Maximum wind speed 12.1 km / h — February. Minimum wind speed 4.1 km / h — September.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.5 h. — February. The minimum number of hours of sunshine per day 5.7 h. — October.
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