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Ho Chi Minh City in September: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Ho Chi Minh City in September will be like? Take a look at our weather guide for Ho Chi Minh City, based on historical data.
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September

Weather in Ho Chi Minh City in September 2025

OK Weather
Hot
🌧️
Rainy
If you plan to visit Ho Chi Minh City in September, the weather is typically alright, with an average high temperature of +31°C during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 14 rainy days in the month and around 310 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+31°C
Avg. max. temperature
+22°C
Min.
+35°C
Max.
310 mm
Total precipitation
84%
Avg. humidity
2 m/s
Avg. wind
0 ☀️
Sunny Days
0 ⛅️
Cloudy
14 🌦
Rainy
Our opinion: Ho Chi Minh City has OK weather in September.

Average temperature in Ho Chi Minh City in September

Here are the expected maximum, average and minimum temperatures in Ho Chi Minh City for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +33°C during the day to a minimum of +24°C during the night, the temperature in September averages around +31°C.

The average maximum temperature goes down 11% by the end of the month, compared with the beginning of the month, from +31°C to +30°C.

Is Ho Chi Minh City warm or cold in September?

Ho Chi Minh City is typically hot in September.

Maximum temperatures go up compared to the previous month from +31°C to +31°C. The minimum temperature also goes up from +25°C to +25°C.

Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.

September is one of the coolest months in Ho Chi Minh City, here is the comparison with other months:

Climate in Ho Chi Minh City in September

Ho Chi Minh City weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+31°C+31°C+31°C
Min. temperature
+23°C+22°C+21°C
Max. temperature
+35°C+35°C+35°C
Rainfall
263 mm310 mm263 mm
Wind
2 m/s2 m/s1 m/s
Humidity
83%84%84%
Air pressure
1007 HPa1008 HPa1008 HPa
Sunny days
000
Cloudy days
001
Rainy days
181413
Snowy days
000

September weather is still as ok as in August. The temperature levels stay the same in the area of +31°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 263 mm to 310 mm. Humidity rises from 83% to 84%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.

October brings much the same weather, it remains ok.

Wind

Wind speed in Ho Chi Minh City in September based on historical data.
Last Year
Historical Data

The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Ho Chi Minh City is gradually decreasing during September, going from 3 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Ho Chi Minh City based on historical data.
Last Year
Historical Data
Typically, there is a 100% chance of rain on an average day in September, with total rainfall of approximately 245 mm. The maximum amount of rainfall per day is around 24 mm, which is considered light rain. September is a pretty wet month with over 30 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
September is one of the rainiest months in Ho Chi Minh City, here is a comparison with other months, total mm:
Ho Chi Minh City wettest month is September, where a typical day has a 47% chance of precipitation and 310 mm of rainfall per day. February, on the other hand, is the driest month with a mere 17% chance of precipitation and 9 mm of rainfall per day.

How was the weather last September in Ho Chi Minh City?

This is the weather in Ho Chi Minh City in September 2023:
1 September
☁️
+31°C
2 September
☁️
+31°C
3 September
☁️
+31°C
4 September
🌧️
+31°C
5 September
🌧️
+30°C
6 September
☁️
+32°C
7 September
☁️
+31°C
8 September
🌧️
+32°C
9 September
🌧️
+32°C
10 September
🌧️
+31°C
11 September
☁️
+31°C
12 September
🌧️
+29°C
13 September
☁️
+32°C
14 September
☁️
+32°C
15 September
🌧️
+31°C
16 September
🌧️
+30°C
17 September
☁️
+32°C
18 September
🌧️
+33°C
19 September
☁️
+33°C
20 September
☁️
+33°C
21 September
🌧️
+33°C
22 September
🌧️
+32°C
23 September
🌧️
+32°C
24 September
🌧️
+31°C
25 September
🌧️
+31°C
26 September
🌧️
+29°C
27 September
🌧️
+29°C
28 September
🌧️
+31°C
29 September
☁️
+33°C
30 September
🌧️
+30°C
In September 2023 Ho Chi Minh City had 0 sunny days, 12 cloudy days, and 18 rainy days. The average maximum temperature was +31°C, with an absolute maximum of +33°C and a minimum of +29°C. The average humidity was 88%, with a maximum of 100% and a minimum of 65%. The average wind speed was 2 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change over Years

This is how Ho Chi Minh City climate have been changing during last 43 years period.

The climate in Ho Chi Minh City in September has not changed much over the last 43 years.

The average temperature was the lowest in 1999 (+31°C) and the highest in 2019 (+33°C). The driest year was 1992 with only 1461 mm of rainfall, and the wettest year was 1985 with 2247 mm.

FAQ

Frequently asked questions about the weather in Ho Chi Minh City in September:

Is September a good time to visit Ho Chi Minh City?

It’s always a good time to visit Ho Chi Minh City, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Ho Chi Minh City in September?

Absolutely, September is hot in Ho Chi Minh City. Plan on beach and pool time, and ensure that you pack light and breathable options to stay comfortable.

Is Ho Chi Minh City rainy in September?

Ho Chi Minh City is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Ho Chi Minh City in September?

Usually, it’s not very sunny in Ho Chi Minh City in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Vietnam

Check out the weather for other cities in Vietnam.

Monthly weather in Ho Chi Minh City

Source of the data

For this page, we’ve looked at the typical weather in Ho Chi Minh City, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.