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The weather in September in Vietnam
It's hot in September in Vietnam with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 33°C. At night, you can expect temperatures between 24°C and 26°C.
Looking for sun? September isn’t a good month to be in Vietnam. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Vietnam. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2016, Vietnam reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 22°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 18°C to a highest value of 29°C.
Rainfall amount
In September, there is an average of 341 mm of precipitation, spread over 28 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in September for Vietnam
Click on any day in September to get detailed info about the usual weather on that day in Vietnam. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Vietnam | New York | |
|---|---|---|
| Average temperature | 31°C | 27°C |
| Max. temperature | 33°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 341 mm | 57 mm |
| Rainy days | 28 days | 9 days |
Start of September
The month of September starts in Vietnam with hot temps, averaging around 32°C during the day and nights around 25°C.
Mid September
By mid-September, daytime temps stay steady at around 32°C, with nights around 25°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Vietnam is around 32°C, while nighttime temps are about 25°C. There’s a significant chance of many days with precipitation.
Find affordable vacations to Vietnam
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
The typhoon season in Vietnam runs from June to November.
Check out the climate of Vietnam for all months and discover the best travel time
The climate in Vietnam is based on weather data from Hanoi. Other places, like Halong Bay, Ho Chi Minh City or Hội An, might have different weather. You can check out all destinations in Vietnam to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in September in Vietnam. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Vietnam
Temperature in September in Vietnam over the years
Precipitation charts
These charts show the average amount of precipitation in September in Vietnam. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Vietnam
Total precipitation in September in Vietnam over the years
Daily UV index in September in Vietnam
This chart shows the average daily UV index in September in Vietnam, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Vietnam
Have you been to Vietnam in September?
Share your weather experience in September in Vietnam.
Average weather in Vietnam by month
Click on a month below to see detailed weather info for Vietnam. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.