Luang Namtha weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Luang Namtha in September. Check more long-term weather averages for Luang Namtha in September before you book your next holiday to Laos in 2025/2026.

  • 30°C maximum daytime temperature in September in Luang Namtha30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in September in Luang Namtha18
    18 days with some rainfall
  • 21°C minimum night-time temperature in September in Luang Namtha21
    21°C min night temperature
  • 12 hours of daylight per day in September in Luang Namtha12
    12 hours of daylight per day
  • High heat & humidity in September in Luang NamthaH
    High heat & humidity
  • 172 mm monthly rainfall in September in Luang Namtha172
    172 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Luang Namtha11
    11+ (Extreme) UV index

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The September weather guide for Laos (Luang Namtha) 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.

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

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How hot is it in Luang Namtha in September?

Daytime temperatures usually reach 30°C in Luang Namtha in September with high heat and humidity, falling to 21°C at night.

How sunny is it in Luang Namtha in September?

There are normally 5 hours of bright sunshine each day in Luang Namtha in September - that's 44% of daylight hours.

Does it rain in Luang Namtha in September?

There are usually 18 days with some rain in Luang Namtha in September and the average monthly rainfall is 172mm.

What is the chance of a typhoon in Luang Namtha in September?

On average less than 1 day in September in Luang Namtha is likely to be affected by the passage of one or more tropical storms.

Luang Namtha September sunrise & sunset times

Browse the sunrise and sunset times for Luang Namtha in September 2025. Select a month to view Luang Namtha sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:58 18:30
Monday, 15th September 2025 06:01 18:17
Tuesday, 30th September 2025 06:05 18:03

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