Normal weather for Vietnam in September
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.
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.
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.
Vietnam in September |
UK | ||
|---|---|---|---|
 Average Temperature |
31°C | 20°C | |
 High Temp |
33°C | 22°C | |
| Low Temp |
30°C | 17°C | |
 Total Precipitation |
341 mm | 44 mm | |
| Rainy Days |
28 days | 8 days | |
The climate of Vietnam is based on weather data from Hanoi. Other spots, like Halong Bay, Ho Chi Minh City or Hội An, might have different weather. You can check out all destinations in Vietnam for a full picture of the climate.
Start of September
The month of September starts in Vietnam with hot temperatures, averaging around 32°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation.
Mid-September
By mid-September, the average daytime temperature stays the same at 32°C, with nights close to 25°C. The chance of precipitation is high during this period.
End of September
By the end of September, the average daytime temperature in Vietnam will be around 32°C, with nights close to 25°C. There’s a significant chance of many days with precipitation.
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Is September a good time to visit Vietnam?
After some sun? Then September isn’t the best time to be in Vietnam. The temperature is pleasant, but there’s too much chance of rain this month.
The typhoon season in Vietnam runs from June to November.
Temperature records for Vietnam in September
With 36°C, Vietnam hit the highest temperature in the last 10 years in September 2016. The lowest daytime temperature in this month was 22°C in 2019. The extreme night temperatures ranged from a low of 18°C to a high of 29°C.
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Daily Temperature in September in Vietnam
This chart shows the average daily temperatures, both day and night, for each day in September in Vietnam, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Vietnam
The chart below shows the average daily precipitation in September for Vietnam, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 28 days of rain in Vietnam.
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.
Temperature in September in Vietnam Over the Years
This chart shows the average temperature in September in Vietnam, measured in degrees Celsius, over the past years.
Total Precipitation in September in Vietnam Over the Years
This chart shows the average precipitation in September in Vietnam, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Vietnam
Click on a specific day in September for detailed info on the typical weather on that day in Vietnam. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Vietnam
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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.
