Vientiane weather in September
Are you planning a trip to Vientiane in September and wondering what kind of weather to expect? This page has all the details you need.
What is the weather like in Vientiane in September?
Vientiane is a region in Laos. September in Vientiane generally has very warm temperatures, with heavy precipitation.
You can expect very warm maximum daytime temperatures of around 33°C and nighttime temperatures around 25°C in Vientiane. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.
September is a very rainy month with an average rainfall of around 309 mm in Vientiane. Vientiane enjoys a balanced 168 hours of sunlight. Ensuring it's neither too overcast nor too sunny.
To learn more about the conditions in specific areas of Vientiane in September, check out the map below. For more details on the yearly weather, visit our Vientiane climate page.
Where to go in Vientiane in September
perfect weather
pleasant
tolerable
unpleasant
poor
Popular destinations in Vientiane
What is the weather like in September for the most popular destinonation in Vientiane?
Average weather in Vientiane
In September Vientiane generally has very high temperatures with maximum daytime temperatures around 33°C, minimum nighttime temperatures around 25°C and heavy monthly rainfall. So on average the conditions are poor that month.
Max temperature
Max temp
Min temperature
Min temp
Monthly sun hours
Sun hours
Monthly rainfall
Rainfall
Monthly rainy days
Rainy days
Weather conditions
Weather
Is your destination not in the list? Have a look at other destinations in Vientiane, in Laos.
Is September the best time to visit Vientiane?
Given the typically poor weather conditions in Vientiane, September may not be the ideal time to visit Vientiane.
Generally speaking, the best visiting conditions can be found in January, February, November and December offering mostly perfect weather in Vientiane. On the other hand, the weather in April, May, June, July, August and September tend to be poor.
Interested in more climate information?
We have much more information about the climate in Vientiane.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to Laos? Get detailed 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.