South Vietnam weather in September 2025
South Vietnam weather in September 2025
Day
31 °C
Night
24 °C
Sea
28 °C
Precipitation
290 mm
in month
Rainy days
18 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
80 %
Day
31 °C
Night
24 °C
Sea
28 °C
Precipitation
290 mm
in month
Rainy days
18 days
in month
Daylight
12 hours
average
Sunshine
5 hours
average
Humidity
80 %
Overview: South Vietnam
Travel information
Flights
to
Activities
in Ho Chi Minh City
Weather charts for South Vietnam
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Weather overview and FAQs
Weather overview
In September in South Vietnam, the average air temperature ranges from 31 °C (88 °F) during the day to 24 °C (75 °F) at night. There are 18 days of rain on average, where the rainfall is 290 mm (11.41 in).
Are there good conditions to visit in September in South Vietnam?
There are good conditions for visiting in South Vietnam in September. The daily temperatures in this month reach pleasant 31 °C (88 °F). The temperature of the sea will be perfect at 28 °C (83 °F). At night, temperatures hover around a pleasant 24 °C (75 °F). September is the wet season month in South Vietnam, which means that there may be more frequent rains during your stay.
What is the sea temperature in South Vietnam in September?
The temperature of the sea in South Vietnam in September is 28 °C (83 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
What is the temperature in South Vietnam during the day in September?
The average daily temperature in South Vietnam in September is 31 °C (88 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
How heavy is the precipitation in South Vietnam in September?
In September in South Vietnam, there is 290 mm (11.41 in) rainfall, which means on average 10 mm (0.38 in) rainfall per day.
How many rainy days can I expect in September in South Vietnam?
There are 18 days, which are rainy in South Vietnam in September, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.3 days of the week, or in general - 61 % days.
How many hours of sun to expect in South Vietnam in September?
In September in South Vietnam, you can expect around 5 hours of sunshine.
What is the air temperature in South Vietnam in September at night?
The average night temperature in South Vietnam in September is 24 °C (75 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
How long is the day (from dawn till dusk) in South Vietnam in September?
The length of daylight in South Vietnam in September is 12 hours.
Is there a wet season in September in South Vietnam?
Yes, in September in South Vietnam there is a wet season with 18 days, when there is rain in a month.
How windy is South Vietnam in September?
An average wind scale that can be expected in South Vietnam in September is 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
Is it hot in South Vietnam in September?
In September in South Vietnam, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is South Vietnam rainier in September than in August?
Yes, in South Vietnam in September it rains more than in August.
What is the humidity in South Vietnam in September?
Humidity in South Vietnam in September is 80 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.