Nha Trang weather in September 2025

Q: 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.

Q: 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.

Q: How warm is the sea around Nha Trang in September?

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

Q: 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.

Q: What is the chance of a cyclone 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.

Expect 88°F 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.

88
88°F max day temperature
6
6 hours of sunshine per day
20
20 days with some rainfall
75
75°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
5.9
5.9 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F 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) | Imperial (°F)

More about Vietnam

How hot is it in Nha Trang in September?

Daytime temperatures usually reach 88°F in Nha Trang in September with very high heat and humidity, falling to 75°F 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 84°F.

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 5.9 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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Vietnam - quick facts
Flight time^✝	15 hours
Time difference	UK +7 hours
Language(s)	Vietnamese
Currency	Vietnamese Dong
Electricity	A + B + C plug (220V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches Culture Nature Nightlife
Tourist info	Vietnam National Administration of Tourism