Nha Trang weather in September 2025

Expect 31°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Nha Trang in September. Check more long-term weather averages for Nha Trang in September before you book your next holiday to Vietnam in 2025/2026.

  • 31°C maximum daytime temperature in September in Nha Trang31
    31°C max day temperature
  • 6 hours of sunshine per day
  • 20 days with some rainfall in September in Nha Trang20
    20 days with some rainfall
  • 24°C minimum night-time temperature in September in Nha Trang24
    24°C min night temperature
  • 12 hours of daylight per day in September in Nha Trang12
    12 hours of daylight per day
  • Very high heat & humidity in September in Nha TrangVH
    Very High heat & humidity
  • 149 mm monthly rainfall in September in Nha Trang149
    149 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Nha Trang11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Nha Trang29
    29°C sea temperature

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The September weather guide for Vietnam (Nha Trang) 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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More about Vietnam

How hot is it in Nha Trang in September?

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

How sunny is it in Nha Trang in September?

There are normally 6 hours of bright sunshine each day in Nha Trang in September - that's 45% of daylight hours.

How warm is the sea around Nha Trang in September?

The average sea temperature around Nha Trang in September is 29°C.

Does it rain in Nha Trang in September?

There are usually 20 days with some rain in Nha Trang in September and the average monthly rainfall is 149mm.

What is the chance of a typhoon in Nha Trang in September?

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

Nha Trang September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:33 17:54
Monday, 15th September 2025 05:33 17:44
Tuesday, 30th September 2025 05:32 17:34

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