SeasonScore
Ho Chi Minh City, Vietnam
Photo: Armigo · CC BY-SA 3.0

Vietnam

Ho Chi Minh City in September

🌧️ Rainy season

Hot, humid and very wet. Watch for tropical cyclone & flood risk.

🎒 Pack: light, breathable clothes & sunscreen · compact umbrella or rain jacket · quick-dry fabrics · waterproof sandals

Best months: Mar (8.4), Feb (8.2), Dec (8.0)

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Why September scores 5.5What goes into the score

How it works
🌡️ 33° / 25°C🌧️ 490 mm💧 dew pt 25°🍃 PM2.5 33
  • Weather comfort4.4
    • ✓Hot (33°C highs / 25°C lows)
    • !Very humid/sticky (dew point 24.5°C)
    • !Wet: ~490 mm rain, ~17 heavy-rain days
  • Air quality5.9
    • !Elevated (PM2.5 ~33 µg/m³)
  • Seasonal hazards7.0
    • !Tropical cyclone: Peak of the Western Pacific typhoon season
    • !Flood: ~17 heavy-rain days (≥10 mm) in an average September
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut September side by side with another month
SepMar
Score5.5 Fair8.4 Very good
Season🌧️ Rainy season🔥 Hot dry season
High / low33° / 25°34° / 25°
Rain490 mm18 mm
Humiditydew pt 25°dew pt 20°
PM2.533 µg/m³19 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Ho Chi Minh City weather-station normals. Rainfall: Ho Chi Minh City weather-station normals (national met service).

Holidays & crowdsSeptember 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • National Day 2–5 Sep · 4 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore Ho Chi Minh CityEvents, sights, food & souvenirs

Check event dates locally

Vietnam's largest city, still widely called Saigon, a fast-moving commercial hub with French colonial buildings, war history and outstanding street food.

Events in September
Mid-Autumn FestivalDate variesLunar calendar - usually September or early October

Lanterns, lion dances and mooncakes, with Cholon's lantern street especially lively.

Why go: Evenings are crowded; go early.

Where: Cholon (District 5) lantern streets

Rainy seasonDate variesUsually May to November

Heavy afternoon downpours that usually pass quickly, with occasional street flooding.

Why go: Carry a rain poncho and plan outdoor sightseeing for mornings.

Where: Citywide

Coming up later

Tet and Nguyen Hue Flower StreetDate variesLunar calendar - late January to mid-February, date moves each year

The Lunar New Year, when Nguyen Hue becomes a flower-filled walking street.

Why go: Many businesses close for several days and the city empties as people go home.

Where: Nguyen Hue Boulevard and citywide

Reunification DayEvery year30 April every year, followed by Labour Day on 1 May

Marks the end of the Vietnam War in 1975 with flags and fireworks.

Why go: Domestic travel is very busy over this holiday.

Where: Citywide