Ho Chi Minh City in September

In September, Ho Chi Minh City averages 31°C (88°F) during the day and 24°C (75°F) at night, with frequent rain — about 23 days of the month see precipitation (335 mm total).

Off-peak

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

It's peak typhoon season in Ho Chi Minh City during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

31°C
Avg high
24°C
Avg low
23
Rain days
335 mm
Rainfall

How September compares to the rest of the year in Ho Chi Minh City

9th
warmest month of the 12
2nd
wettest month of the 12
17%
of yearly rainfall falls in September
12 h 12 min
daylight on the 15th

September is in the middle of the year for warmth in Ho Chi Minh City (9th of 12) and one of the wettest months (2nd of 12). Daytime temperature runs 1°C below the annual average (32°C). September runs 1°C cooler than August (32°C) and stays flat into October.

September sunrise & sunset in Ho Chi Minh City

🌅
Sunrise (15th)
5:43 AM
🌇
Sunset (15th)
5:54 PM
Day length
12 h 12 min

Times shown for Ho Chi Minh City local time (Asia/Ho_Chi_Minh), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Ho Chi Minh City — September

Golden-hour and blue-hour windows for the 15th of September, in Ho Chi Minh City's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:43 AM – 5:23 AM
🌄 Golden hour (AM)
5:23 AM – 6:23 AM
🌇 Golden hour (PM)
5:14 PM – 6:14 PM
🌆 Blue hour (PM)
6:14 PM – 6:54 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Ho Chi Minh City.

📅 When to book — Ho Chi Minh City in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and Ho Chi Minh City's popularity.

✈ Flights — lead time
3-6 weeks
Cheapest flights of the year. Last-minute deals are real if you can be flexible. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
2-4 weeks
Last-minute bookings work fine. Some seasonal properties close — call ahead if it's a small boutique or beach resort.

Crowds & pricing — September in Ho Chi Minh City

Off-peak

This is off-peak for Ho Chi Minh City — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.

Why this tier: peak hazard season (1 active)

Sun & mosquito risk — September in Ho Chi Minh City

☀️ UV Index (noon, 15th)
12.8
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Ho Chi Minh City in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 32°C / 90°F 22°C / 72°F 15 mm 2 0
February 33°C / 91°F 23°C / 73°F 5 mm 1 0
March 34°C / 93°F 25°C / 77°F 10 mm 2 0
April 35°C / 95°F 26°C / 79°F 50 mm 5 0
May 34°C / 93°F 26°C / 79°F 220 mm 17 0
June 32°C / 90°F 25°C / 77°F 330 mm 22 0
July 32°C / 90°F 25°C / 77°F 315 mm 23 0
August 32°C / 90°F 25°C / 77°F 270 mm 22 0
September 31°C / 88°F 24°C / 75°F 335 mm 23 0
October 31°C / 88°F 24°C / 75°F 270 mm 21 0
November 31°C / 88°F 24°C / 75°F 115 mm 12 0
December 31°C / 88°F 22°C / 72°F 50 mm 7 0

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Ho Chi Minh City in September →

Frequently asked questions

How hot is Ho Chi Minh City in September?

In September, Ho Chi Minh City averages a high of 31°C (88°F) and a low of 24°C (75°F) — generally hot.

Does it rain a lot in Ho Chi Minh City in September?

September is quite rainy in Ho Chi Minh City, with about 23 rainy days on average.

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

September is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Ho Chi Minh City in September?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Ho Chi Minh City for a complete, climate-based checklist.

Open Ho Chi Minh City on the interactive map

Check the live 10-day forecast and sunrise/sunset.