Ho Chi Minh City Weather in September
Vietnam · Tropical Savanna climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
September in Ho Chi Minh City sees average temperatures ranging from a low of 24.4°C (75.9°F) to a high of 30.7°C (87.3°F), with a mean of 26.8°C (80.2°F). Compared to the annual average of 27.6°C (81.7°F), this month is 0.8°C cooler than the yearly norm. Precipitation averages 393.0mm, making it approximately 198.0mm wetter than the monthly average of 194.0mm. This is the wettest month of the year, with 393.0mm of precipitation and around 30.0 rainy days. The city receives an average of 7.8 hours of sunshine per day during September, with relative humidity averaging 87.2%. Wind speeds reach an average maximum of 16.2 km/h. For travelers, this month offers a temperature experience in Ho Chi Minh City, with wetter-than-average conditions compared to the rest of the year.
Ho Chi Minh City's tropical climate is warm year-round, with a distinct wet and dry season. I found the best time to visit is December to April, when the rainfall is minimal and temperatures are slightly lower. The dry season months are perfect for exploring the city's markets, temples, and street food scene. The wet season brings dramatic afternoon downpours that clear quickly.
September vs Adjacent Months
| Metric | August | September | October |
|---|---|---|---|
| Mean Temp | 27.3°C (81.1°F) | 26.8°C (80.2°F) | 26.5°C (79.7°F) |
| Rainfall | 309.0mm | 393.0mm | 367.3mm |
| Sunshine | 9.4 hrs | 7.8 hrs | 7.5 hrs |
| Humidity | 85.5% | 87.2% | 87.2% |
| Wind | 16.6 km/h | 16.2 km/h | 13.9 km/h |
| Rainy Days | 30.2 | 30.0 | 30.0 |
Seasonal Context
September falls in Autumn in the Northern Hemisphere. Autumn sees temperatures gradually cooling from summer highs. For travelers visiting Ho Chi Minh City in September, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Ho Chi Minh City in September?
The average temperature in Ho Chi Minh City during September ranges from 24.4°C (75.9°F) to 30.7°C (87.3°F), with a mean of 26.8°C (80.2°F).
How much does it rain in Ho Chi Minh City in September?
Ho Chi Minh City receives an average of 393.0mm of precipitation in September, spread across approximately 30.0 rainy days. This is the wettest month of the year.
What should I pack for Ho Chi Minh City in September?
Based on September weather data, pack lightweight, breathable clothing, sunscreen, and a hat. Rain gear is essential — this month averages 393.0mm of precipitation.
Is September a good time to visit Ho Chi Minh City?
September is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Ho Chi Minh City
Cities with Similar September Climate (Tropical Savanna)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 10.82°, 106.63°. Timezone: Asia/Ho_Chi_Minh. Last updated: 2026-07-30.