Vientiane weather in September (Vientiane, Laos)
This month is known as a warm month.
The average maximum daytime temperature in Vientiane in September lies at 31.3°C (88.34°F).
The average minimum temperature goes down to around 24.6°C (76.28°F) (often the minimum temperature is noted at night).
September is part of the rainy season with an average precipitation of 254mm (10.0 inches). There are generally around 18 rainy days. The sun will show itself now and again, with 168 hours of sunshine during the entire month.
Vientiane, monthly averages in September
Where to stay in Vientiane
Where to go in Laos in SeptemberFind out more about the weather in Laos in September and which places have the best weather conditions in this month.
What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Vientiane.
Our site offers climate and forecast data for every country in the world. Are you going to Laos? On this website you can find historical weather averages for many cities in Laos. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.