Vietnam weather in September 2025

The weather in Vietnam in September is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.

With more than 22 rainy days, Vietnam is an incredibly wet during September. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!

Our weather forecast can give you a great sense of what weather to expect in Vietnam in September 2025.

If you’re planning to visit Vietnam in the near future, we highly recommend that you review the 14 day weather forecast for Vietnam before you arrive.

Temperatures

31° / 25°

Rainy Days

Snowy Days

Dry Days

Rainfall

420

Sun Hours

10.5

Hrs

Explore the weather in Vietnam in other months

Vietnam annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	33° / 23°	12	19	41 mm	Good	Vietnam in January
February	35° / 24°	7	21	22 mm	Ok	Vietnam in February
March	36° / 26°	13	18	40 mm	Ok	Vietnam in March
April	35° / 27°	21	9	167 mm	Bad	Vietnam in April
May	34° / 27°	30	1	333 mm	Awful	Vietnam in May
June	32° / 26°	30	0	386 mm	Awful	Vietnam in June
July	31° / 25°	31	0	379 mm	Awful	Vietnam in July
August	32° / 25°	31	0	399 mm	Awful	Vietnam in August
September	31° / 25°	30	0	420 mm	Awful	Vietnam in September
October	32° / 25°	30	1	412 mm	Awful	Vietnam in October
November	32° / 24°	27	3	188 mm	Awful	Vietnam in November
December	32° / 24°	19	12	70 mm	Ok	Vietnam in December

Temperatures in Vietnam in September

Rain in Vietnam in September

Weather in Vietnam in September - FAQ

What is the average temperature in Vietnam in September?

The average temperature in Vietnam in September is 25/31° C.

What is the chance of rain in Vietnam in September?

On average, there are 30 rainy days in Vietnam during September.

Weather wise, is September a good time to visit Vietnam?

The weather in Vietnam in September is awful.

Can it snow in Vietnam in September?

On average, there are 0 snowy days in Vietnam in September.

Cities in Vietnam

For a more accurate weather forecast please select a city

Da Nang Ha Giang Ha Long Bay Hanoi Ho Chi Minh Hoi An Hue Nha Trang Phu Quoc Saigon

See more locations

More about the weather in Vietnam