30YearWeather
Ho Chi Minh City in September
Ho Chi Minh City weather in September - Vietnam
🌧️Wet Season

Ho Chi Minh City Weather in September

Plan your September trip to Ho Chi Minh City, Vietnam. Based on 30 years of NASA data, expect temperatures of 31°C (high) to 24°C (low), with 91% rain probability and 8 hours of daily sunshine. Pack rain gear for around 30 rainy days.

Avg High
31°C

Hottest around day 5

Avg Low
24°C

Coolest around day 16

Rainy Days
30days

91% avg rain chance

Sunshine
8hrs/day

Autumn season

Ho Chi Minh City September Weather Calendar

Click any day to see detailed weather information

Day 1
thunderstorm
Stormy
31°C88%
Day 2
thunderstorm
Stormy
31°C87%
Day 3
thunderstorm
Stormy
31°C86%
Day 4
thunderstorm
Stormy
31°C86%
Day 5
thunderstorm
Stormy
31°C87%
Day 6
thunderstorm
Stormy
31°C87%
Day 7
thunderstorm
Stormy
31°C90%
Day 8
thunderstorm
Stormy
31°C91%
Day 9
thunderstorm
Stormy
31°C91%
Day 10
thunderstorm
Stormy
31°C90%
Day 11
thunderstorm
Stormy
31°C90%
Day 12
thunderstorm
Stormy
31°C90%
Day 13
thunderstorm
Stormy
30°C92%
Day 14
thunderstorm
Stormy
30°C94%
Day 15
thunderstorm
Stormy
30°C94%
Day 16
thunderstorm
Stormy
30°C95%
Day 17
thunderstorm
Stormy
30°C95%
Day 18
thunderstorm
Stormy
31°C94%
Day 19
thunderstorm
Stormy
30°C92%
Day 20
thunderstorm
Stormy
30°C91%
Day 21
thunderstorm
Stormy
30°C88%
Day 22
thunderstorm
Stormy
30°C88%
Day 23
thunderstorm
Stormy
30°C88%
Day 24
thunderstorm
Stormy
31°C88%
Day 25
thunderstorm
Stormy
31°C90%
Day 26
thunderstorm
Stormy
31°C91%
Day 27
thunderstorm
Stormy
30°C93%
Day 28
thunderstorm
Stormy
30°C94%
Day 29
thunderstorm
Stormy
30°C92%
Day 30
thunderstorm
Stormy
30°C93%

Essential Travel Info for Ho Chi Minh City

🗓️ Best Time to Visit📖 Travel Guide🍴 Food Guide

Currency

VND

₫ Vietnamese đồng

Language

Vietnamese

Driving

Right side

Connect

The telephone code of Ho Chi Minh City i...

Safety

High Safety

GPI: 1.786

Travel Intelligence

Exclusive flight analytics & health data for Ho Chi Minh City

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected
67/ 100
Traffic Index

Popular destination

Peak Daily Arrivals

0

slots per day

Peak

Feb

Low

Sep

Monthly Traffic Distribution

370
Jan
411
Feb
376
Mar
380
Apr
380
May
350
Jun
356
Jul
365
Aug
200
Sep
316
Oct
321
Nov
359
Dec
Traffic Level
Low Season

Key Connections

Hanoi Noi Bai (HAN)
Da Nang (DAD)
Duong Dong Phu Quoc (PQC)
Tkhankhoa ()
Singapore Changi (SIN)

Health & Safety Advisory

CDC travel health recommendations

10 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Chikungunya

All travelers should take steps to prevent mosquito bites. Chikungunya vaccination is generally not recommended. Travelers who wish to consider vaccination can visit “What to consider before traveling” on thechikungunya vaccinespage to learn more.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Vietnam.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Vietnam.

Japanese Encephalitis

Recommended for travelers whoAre moving to an area with Japanese encephalitis to liveSpend long periods of time, such as a month or more, in areas with Japanese encephalitisFrequently travel to areas with Japanese encephalitisConsider vaccination for travelersSpending less than a month in areas with Japanese encephalitis but will be doing activities that increase risk of infection, such as visiting rural areas, hiking or camping, or staying in places without air conditioning, screens, or bed netsGoing to areas with Japanese encephalitis who are uncertain of their activities or how long they will be thereNot recommended for travelers planning short-term travel to urban areas or travel to areas with no clear Japanese encephalitis season.

Malaria

CDC recommends that travelers going to certain areas of Vietnam take prescription medicine to prevent malaria. Depending on the medicine you take, you will need to start taking this medicine multiple days before your trip, as well as during and after your trip. Talk to your doctor about which malaria medication you should take.Transmission areasRural areas only; rare cases in the Mekong and Red River DeltasNone in the cities of Da Nang, Hai Phong, Hanoi, Ho Chi Minh City (Saigon), Nha Trang, and Quy NhonDrug resistanceChloroquine and mefloquineSpeciesP. vivax(55%)P. falciparum(44%)P. knowlesi,6P. malariae, andP. ovale(rare)Recommended chemoprophylaxisProvinces of Bình Dương, Bình Phước, Đắk Lắk, Đắk Nông, Gia Lai, Khánh Hòa, Kon Tum, Lâm Đồng, Ninh Thuận, Tây Ninh: Atovaquone-proguanil, doxycycline, tafenoquine2All other areas with malaria transmission (except Mekong and Red River Deltas): Atovaquone-proguanil, doxycycline, mefloquine, tafenoquine2Mekong and Red River Deltas: No chemoprophylaxis recommended (insect bite precautions and mosquito avoidance only)4Updated April 23, 2025See footnotes

+4 more

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit Ho Chi Minh City?

👌Worthwhile timing with some trade-offs
Short Answer

With 42°C apparent temperature (31°C actual, 87% humidity), September in Ho Chi Minh City demands respect. Indoor attractions and water activities offer welcome relief.

Decision Factors

Oppressive heat and humidity

30.5°C with 87% humidity - challenging conditions

High rainfall period

91% rain probability, 9.5mm average

Vaccinations required

Yellow Fever

Feels significantly hotter than 30.5°C

Heat index: 42°C due to 87% humidity

Health precautions needed

Be aware of: Leptospirosis, Melioidosis, Schistosomiasis

Plenty of sunshine

8h of sunshine daily

Good For

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 👨‍👩‍👧‍👦
    Families with children

    42°C heat index dangerous for children

  • 👴
    Elderly travelers

    Heat index of 42°C poses health risks

  • 🥾
    Outdoor enthusiasts

    91% rain probability disrupts outdoor activities

  • 📸
    Photographers

    88% cloud cover limits natural light opportunities

Related Guides

Best Time to VisitWhen to AvoidHo Chi Minh City Overview
900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Ho Chi Minh City in September averages 31°C with 91% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Ho Chi Minh City in September

What are the temperatures in Ho Chi Minh City in September?

Daytime highs average 31°C, nights drop to 24°C. Temperatures remain fairly consistent.

How many rainy days in Ho Chi Minh City in September?

Expect around 30 days with measurable rainfall. Definitely pack rain gear.

What to wear in Ho Chi Minh City in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in Ho Chi Minh City?

This is off-peak season. Expect lower prices and fewer crowds.