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Nha Trang weather in September 2025
Expect daytime maximum temperatures of 31°C in Nha Trang, Vietnam in September and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 20 days with some rainfall and typically 149 mm of rainfall in the month.
- 31°C max day temperature
31 - 6 hours of sunshine per day
- 20 days with some rainfall
20 - 24°C min night temperature
24 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 149 mm of monthly rainfall
149 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
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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)
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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