BestDateWeather
✈️ Plan my tripPlan trip
Nha Trang, Vietnam · Tropical

Nha Trang in September: go or not?

Mixed period. Nha Trang in September: 4.7/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 12.24°N · 109.19°E
⚡ This month's verdict
Why not
Nha Trang · September
4.7
25–31°
Temperature
69%
Rain
7h
Sun
🌴 Tropical☀️ High UV🌧️ Monsoon season
Photo : Krisztian Tabori via Unsplash
The month in detail

What to expect in September

September falls in the wet season in Nha Trang. Showers are often brief but intense. With 69.0% of rainy days, always have indoor alternatives planned.

September ranks 10 out of 12 months in Nha Trang. Compared to August: −4°F daytime, 22 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 (8.5/10), 3.8 pts higher than September.

See March →See all 12 months →
Context

Our verdict

Nha Trang, main beach resort of south-central Vietnam : 420,000 inhabitants in the province of Khanh Hoa, 4.3 miles urban beach bay. Modern city with hotel skyscrapers overlooking the sea, active nightlife, one of the Vietnamese destinations most frequented by Russians and Koreans.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Nha Trang

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
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 · 91°F
❄️Coolest monthJanuary · 79°F
🌧️Rainiest month October · 83%

🏝️ Tropical stay

🌞Dry season May → Sep
🌧️Wet season Dec → Mar
🌀Cyclones Season Nov-Apr
Location

Where is Nha Trang ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Vietnam
Tropical climate with a 8.5 → 4.6 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 84°F highs, 73°F lows, 8.3h of sunshine and 29.0% 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 8.0/10.
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 73°F, while afternoon highs average 84°F.
Is Nha Trang good in winter?
In winter (December-February), Nha Trang scores 7.3/10 on average — Acceptable conditions for cultural visits.. The best month overall remains March with a score of 8.0/10.
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 86°F 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.