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Dehiwala Mount Lavinia — weather in September, water temperature

29.6°C Daytime temperatures 26.3°C Night temperatures 1 Sunny days 12.1-12.2 Sun (hours) 19 Rainy days 369.6 mm Precipitation 28°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 35°C — 28 September 2014.
The maximum night temperature 28.5°C — 1 September 2017.
The minimum daily temperature 25°C — 25 September 2019.
The minimum night temperature 17.5°C — 17 September 2019.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 28.9 °C — 5 September 2020. The coldest water 26.8 °C — 1 September 2018.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 514.7 mm — June. Minimum precipitation 72.8 mm — February.
Wind speed, km / h
Maximum wind speed 18.6 km / h — June. Minimum wind speed 10.2 km / h — March.
Number of hours of sunshine
The maximum number of hours of sunshine per day 8.5 h. — January. The minimum number of hours of sunshine per day 5.2 h. — August.
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