Laos weather in September 2021

Get the latest coronavirus (Covid-19) updates for Laos with current travel advice and statistics on new cases per 100,000 and vaccine.

Below are average maximum temperatures at popular destinations in Laos in September. Select a destination to see more weather parameters.

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The September weather guide for Laos shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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How hot is it in Laos in September?

Daytime temperatures usually reach 32°C in Vientiane, Laos in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in Laos in September?

There are normally 5 hours of bright sunshine each day in Vientiane, Laos in September - that's 42% of daylight hours.

Does it rain in Laos in September?

There are usually 20 days with some rain in Vientiane, Laos in September and the average monthly rainfall is 278mm.

What is the chance of a typhoon in Laos in September?

On average 1.2 days in September in Vientiane, Laos are likely to be affected by the passage of one or more tropical storms.

Metric (°C / mm)  |  Imperial (°F / inches)

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Laos sunrise & sunset times for September 2021

Browse the sunrise and sunset times for Laos in September 2021. Select a month to view Laos sunrise & sunset times for the next 12 months. The Laos sunrise and sunset times shown below are for Vientiane.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st September 2021 05:55 18:24
Wednesday, 15th September 2021 05:57 18:12
Thursday, 30th September 2021 06:00 17:59
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