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Alajuela — weather in September, water temperature

25.2°C Daytime temperatures 17.7°C Night temperatures 2 Sunny days 12-12.3 Sun (hours) 28 Rainy days 644.8 mm Precipitation 28.6°C water temperature
Air temperature
2022 2021 2020 2019 2018 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 20.5°C — 18 September 2022.
The minimum night temperature 13°C — 1 September 2020.
water temperature
2022 2021 2020 2019 2018 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 690.9 mm — October. Minimum precipitation 22.2 mm — February.
Wind speed, km / h
Maximum wind speed 11.1 km / h — February. Minimum wind speed 3.7 km / h — September.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.1 h. — February. The minimum number of hours of sunshine per day 5.1 h. — October.
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