Udon Thani weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Udon Thani in September. Check more long-term weather averages for Udon Thani in September before you book your next holiday to Thailand in 2025/2026.

  • 31°C maximum daytime temperature in September in Udon Thani31
    31°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in September in Udon Thani18
    18 days with some rainfall
  • 24°C minimum night-time temperature in September in Udon Thani24
    24°C min night temperature
  • 12 hours of daylight per day in September in Udon Thani12
    12 hours of daylight per day
  • Very high heat & humidity in September in Udon ThaniVH
    Very High heat & humidity
  • 263 mm monthly rainfall in September in Udon Thani263
    263 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Udon Thani11
    11+ (Extreme) UV index

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The September weather guide for Thailand (Udon Thani) 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 Udon Thani in September?

Daytime temperatures usually reach 31°C in Udon Thani in September with very high heat and humidity, falling to 24°C at night.

How sunny is it in Udon Thani in September?

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

Does it rain in Udon Thani in September?

There are usually 18 days with some rain in Udon Thani in September and the average monthly rainfall is 263mm.

What is the chance of a typhoon in Udon Thani in September?

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

Udon Thani September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:55 18:23
Monday, 15th September 2025 05:57 18:11
Tuesday, 30th September 2025 05:59 17:58

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