Weather in Vientiane in September 2018

  • 32°C maximum daytime temperature in September in Vientiane32
    32°C max day temperature
  • 5 hours of sunshine per day (42% of daylight hours) in September in Vientiane5
    5 hours of sunshine per day
  • 20 days with some rainfall in September in Vientiane20
    20 days with some rainfall
  • 24°C minimum night-time temperature in September in Vientiane24
    24°C min night temperature
  • 12 hours of daylight per day in September in Vientiane12
    12 hours of daylight per day
  • Very high heat & humidity in September in VientianeVH
    Very High heat & humidity
  • 278 mm monthly rainfall in September in Vientiane278
    278 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Vientiane11
    11+ (Extreme) UV index

Going to Vientiane? Find the best month to visit Vientiane based on the weather.

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Expect 32°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Vientiane in September. Check more long-term weather averages for Vientiane in September before you book your next holiday to Laos in 2018.

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More about Vientiane

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

Guide to Vientiane weather in September

The average maximum daytime temperature in Vientiane in September is a hot 32°C (90°F) with very high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 5 hours of bright sunshine each day, which represents 42% of the 12 hours of daylight.

Expect 278mm (10.9 inches) of rainfall across the whole of September with 20 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

Vientiane sunrise & sunset times for September 2018

Browse the sunrise & sunset times for Vientiane in September 2018. Select a month to view Vientiane sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st September 2018 05:55 18:24
Sunday, 2nd September 2018 05:55 18:23
Monday, 3rd September 2018 05:56 18:22
Tuesday, 4th September 2018 05:56 18:21
Wednesday, 5th September 2018 05:56 18:21
Thursday, 6th September 2018 05:56 18:20
Friday, 7th September 2018 05:56 18:19
Saturday, 8th September 2018 05:56 18:18
Sunday, 9th September 2018 05:56 18:17
Monday, 10th September 2018 05:57 18:16
Tuesday, 11th September 2018 05:57 18:15
Wednesday, 12th September 2018 05:57 18:15
Thursday, 13th September 2018 05:57 18:14
Friday, 14th September 2018 05:57 18:13
Saturday, 15th September 2018 05:57 18:12
Sunday, 16th September 2018 05:58 18:11
Monday, 17th September 2018 05:58 18:10
Tuesday, 18th September 2018 05:58 18:09
Wednesday, 19th September 2018 05:58 18:09
Thursday, 20th September 2018 05:58 18:08
Friday, 21st September 2018 05:58 18:07
Saturday, 22nd September 2018 05:58 18:06
Sunday, 23rd September 2018 05:59 18:05
Monday, 24th September 2018 05:59 18:04
Tuesday, 25th September 2018 05:59 18:04
Wednesday, 26th September 2018 05:59 18:03
Thursday, 27th September 2018 05:59 18:02
Friday, 28th September 2018 05:59 18:01
Saturday, 29th September 2018 06:00 18:00
Sunday, 30th September 2018 06:00 17:59
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