Nong Khai weather in September 2025

Expect 32°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Nong Khai in September. Check more long-term weather averages for Nong Khai in September before you book your next holiday to Thailand in 2025/2026.

  • 32°C maximum daytime temperature in September in Nong Khai32
    32°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in September in Nong Khai19
    19 days with some rainfall
  • 24°C minimum night-time temperature in September in Nong Khai24
    24°C min night temperature
  • 12 hours of daylight per day in September in Nong Khai12
    12 hours of daylight per day
  • Very high heat & humidity in September in Nong KhaiVH
    Very High heat & humidity
  • 277 mm monthly rainfall in September in Nong Khai277
    277 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Nong Khai11
    11+ (Extreme) UV index

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The September weather guide for Thailand (Nong Khai) 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 Nong Khai in September?

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

How sunny is it in Nong Khai in September?

There are normally 5 hours of bright sunshine each day in Nong Khai in September - that's 43% of daylight hours.

Does it rain in Nong Khai in September?

There are usually 19 days with some rain in Nong Khai in September and the average monthly rainfall is 277mm.

What is the chance of a typhoon in Nong Khai in September?

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

Nong Khai September sunrise & sunset times

Browse the sunrise and sunset times for Nong Khai in September 2025. Select a month to view Nong Khai 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 17:59

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