The month in detail
What to expect in September
In September, Nha Trang sees 31°C during the day with 6.8h of sunshine per day. Expect rain on 37% of days — a light raincoat in the bag is recommended.
September ranks 8 out of 12 months in Nha Trang. Compared to August: −2°C daytime, 15 pts more rainy days, −0.8h of sun per day.
This month's conditions
What it's like in September
UV index
8 · very high
protection essential
Feels like
oppressive heat
24°
Sea
30°C
warm, ideal
Daylight
12.1h of daylight
Air quality
good
AQI 33
Compare
Is September the right month?
The best month in Nha Trang is March (8.9/10), 3.7 pts higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Nha Trang
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Nha Trang
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · Vietnam
🗣️LanguageVietnamese
💶CurrencyVietnamese Dong (₫)
🚗DrivingRight-hand
🛡️Safety ⓘSafe · 2/5
💰Cost of living ⓘVery cheap · 1/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthJune · 33°C
❄️Coolest monthJanuary · 26°C
🌧️Rainiest month ⓘOctober · 50%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Nha Trang ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
VietnamTropical climate with a 8.9 → 5.0 gap between best and worst month. 10 years of ERA5 data to choose by project.
12.24°N · 109.19°E
Questions
Frequently asked questions
What is the best time to visit Nha Trang?
March is the best month with 29.0°C highs, 23.0°C lows, 8.3h of sunshine and 13.0% rainy days. The months of March & February offer comparable conditions.
How many hours of sunshine does Nha Trang get in March?
Nha Trang averages 8.3 sunshine hours per day in March. It is the sunniest month with a climate score of 8.5/10.
What is the rainiest month in Nha Trang?
October is the most unfavourable month with October has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Nha Trang in March?
In March, overnight lows reach 23.0°C, while afternoon highs average 29.0°C.
Is Nha Trang good in winter?
In winter (December-February), Nha Trang scores 7.8/10 on average — Decent period conditions for cultural visits.. The best month overall remains March with a score of 8.5/10.
When should you avoid Nha Trang?
October is the most difficult month to visit Nha Trang, with October has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Nha Trang in September?
In September, the sea averages 30°C in Nha Trang: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Nha Trang in September?
The average UV index reaches 8 in September in Nha Trang (very high), with about 12.1h of daylight. Protection essential.