Vietnam weather in September
In September, popular resorts in Vietnam (Nha Trang, Da Nang) average 29°C by day and 26°C at night, and the sea is about 29°C. On average 298 mm of rain falls during the month.
That is 1°C cooler than in August, and in October days average 28°C.
It is hot: ideal beach and swimming weather. The sea is warm and pleasant for swimming.
Warmest resorts in Vietnam in September
| Place | Day | Night | Sea | Rain |
|---|---|---|---|---|
| Đức Phổ | 30°C | 24°C | 29°C | 272 mm |
| Vinh | 30°C | 24°C | 28°C | 385 mm |
| Haiphong | 30°C | 24°C | 29°C | 238 mm |
| Da Nang | 30°C | 25°C | 29°C | 374 mm |
| Nghi Sơn | 30°C | 24°C | 28°C | 373 mm |
| Ha Long | 30°C | 24°C | 29°C | 238 mm |
| Điện Bàn | 30°C | 25°C | 29°C | 374 mm |
| Tuy Hoa | 30°C | 27°C | 29°C | 214 mm |
| Sầm Sơn | 30°C | 24°C | 28°C | 373 mm |
| Hoàng Mai | 30°C | 24°C | 28°C | 373 mm |
| Tam Ky | 30°C | 27°C | 29°C | 340 mm |
| Kỳ Anh | 30°C | 25°C | 29°C | 384 mm |
Vietnam weather in other months
See also
FAQ
Is it warm in Vietnam in September?
In September, popular resorts in Vietnam (Nha Trang, Da Nang) average 29°C by day and 26°C at night, and the sea is about 29°C. On average 298 mm of rain falls during the month. It is hot: ideal beach and swimming weather.
What is the sea temperature in Vietnam in September?
About 29°C on average. The warmest water is in Haiphong (29°C).
Where is it warmest in Vietnam in September?
The warmest place is Đức Phổ (30°C by day), followed by Vinh (30°C) and Haiphong (30°C).
Does it rain in Vietnam in September?
On average 298 mm of rain falls in the month. It is a fairly wet month, so pack a jacket.
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day.