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Vientiane — weather in September

31.2°C Daytime temperatures 24.1°C Night temperatures 8 Sunny days 12-12.5 Sun (hours) 14 Rainy days 201.9 mm Precipitation 0°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 35°C — 12 September 2021.
The maximum night temperature 27°C — 29 September 2016.
The minimum daily temperature 24°C — 29 September 2022.
The minimum night temperature 20.5°C — 17 September 2019.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 328.8 mm — August. Minimum precipitation 3.3 mm — January.
Wind speed, km / h
Maximum wind speed 7.4 km / h — March. Minimum wind speed 4.8 km / h — November.
Number of hours of sunshine
The maximum number of hours of sunshine per day 9.8 h. — February. The minimum number of hours of sunshine per day 5.6 h. — August.
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