Vietnam Weather in September

The weather in Vietnam in September is a fantastic combination of transitional elements. This month offers travelers a variety of climate conditions across the country, promising opportunities for outdoor activities and relaxation.

What is the weather like in Vietnam in September?

The weather in Vietnam in September marks the transition from the rainy season to the dry season in many parts of the country. However, it should be noted that the weather can vary significantly depending on the region chosen for traveling.

• Northern Vietnam (Hanoi , Halong Bay, Sapa): September is considered the beginning of the fall season. Compared to previous months, the weather has become cooler and more comfortable. The amount of rainfall decreases and you can expect more sunny days with less humidity. However, occasional showers are still possible.
• Central Vietnam (Hue, Da Nang, Hoi An): For central Vietnam, September is usually a transitional period between the rainy season and the dry season. With the onset of this month, rainfall decreases and the weather becomes more favorable for outdoor activities. However, sometimes, especially at the beginning of the month, brief showers or thunderstorms are still possible.
• Southern Vietnam (Ho Chi Minh City, Mekong Delta): the rainy season lasts from May to October, with September falling during this period. This means frequent rainfall, high humidity and occasional thunderstorms. The rains can be very heavy and can affect your walking plans.

Planning a trip this September? Make sure to check our Vietnam itineraries.

Is Vietnam warm in September?

The weather in Vietnam in September is generally warm, especially in the southern and central regions. In these areas, temperatures can still be quite high due to the lingering effects of the summer season.

September marks the beginning of the fall cold season in the country's north. Daytime temperatures can range from 72°F to 86°F (22°C to 30°C), while evenings and nights can be cooler, dropping to 68°F (20°C) or lower.

The weather in central Vietnam in September is warm and humid. Daytime temperatures usually range between 75°F to 93°F (24°C to 34°C). Temperatures can become more comfortable as the month progresses.

The weather in southern Vietnam in September remains quite warm and humid. Daytime temperatures can range from 82°F to 88°F (28°C to 31°C) or even higher. The humidity can also be quite high, making it feel warmer than it really is.

Ready to explore Vietnam? Follow our Vietnam trip planning guide and start planning your perfect trip today.

Is September a good time to visit Vietnam?

September can be a somewhat ambiguous time to visit Vietnam, and whether it's the right time for your trip depends on your preferences, the specific regions you plan to visit, and what you want to experience.

September marks the transition from the rainy season to the dry season in many parts of the country. Although it may still rain from time to time, the overall rainfall decreases, making it a more favorable time for outdoor activities and sightseeing.

However, despite the general trend towards drier and more comfortable the weather in Vietnam in September can still be somewhat changeable. At times, especially early in the month, showers or thunderstorms are possible.

Also, September falls outside of the peak tourist season, which means you are likely to encounter fewer crowds at popular tourist sites, helping you to have a more enjoyable experience.

Not quite sure when to go? See our guides to the Vietnam weather in August or Vietnam in October.

Average rainfall in September

As with the temperature, the amount of rainfall in Vietnam in September varies depending on the selected region. In the northern region, the rainy season lasts from May to September, with July and August usually being the wettest months. Average rainfall in September can be around 11.54 inches (293 mm).

The rainy season in Central Vietnam lasts from September to December, with October and November being the wettest months. The average rainfall in September is about 10.8 inches (274 mm).

In the south, the rainy season lasts from May to November, with rainfall peaking in June and August. Average rainfall in September can be around from 11.07 inches (280 mm).

Make sure to read all about and the best time to visit Vietnam.

Plan your trip with our Vietnam itineraries

Our Vietnam itineraries are crafted to help you experience the best of the country, stress-free. Think of them as a starting point — perfect for planning, but flexible enough to adjust to your own pace and interests. After all, travel is about freedom, but a little planning goes a long way.

• Vietnam itinerary 5 days: A quick trip to experience Vietnam’s highlights. Expect an introduction to the country’s vibrant culture, rich history, and beautiful scenery.
• Vietnam itinerary 10 days: Ten days lets you explore multiple regions, giving a good balance of city life, natural landscapes, and cultural experiences.
• Vietnam itinerary 14 days: With two weeks, you’ll have time to go beyond the basics, discovering a wider range of landscapes and local traditions.
• Vietnam itinerary 3 weeks: A three-week journey offers a comprehensive experience, with plenty of time to explore at a relaxed pace.
• North Vietnam itinerary: A focused itinerary showcasing northern Vietnam’s unique character and landscapes. A combination of cultural attractions, scenic views and authentic local experiences await you.

Rough Guides tip: Find even more ideas for your fall adventure with our guide to the best places to travel in September.

What to do in Vietnam in September

In September, several regions in Vietnam offer unique experiences and pleasant weather. Hanoi enjoys more comfortable weather this month. You can explore its historical sights, and lively markets and enjoy the city's rich cultural life.

September is perfect for exploring the rice paddies of the Sapa region. After the rainy season, the terraced rice paddies become lush and green and you can fully enjoy the local scenery.

The historic city of Hue is warm and less touristy. Explore the Imperial City and historical sites. Enjoy the beautiful beaches of Da Nang, explore the Marble Mountains and take advantage of the improving weather conditions for outdoor activities.

Although rain is still possible in September, the charming ancient city of Hoi An and lantern-lit streets are a beautiful sight. Ho Chi Minh City has high humidity and occasional rain, but you can still experience its vibrant street food, historic sites and bustling markets.

Despite the rainy season, the Mekong Delta is a unique place to experience the local way of life and floating markets. Be prepared for the possibility of flooding, which can be an interesting cultural experience.

September is also suitable for enjoying Vietnam's beautiful beaches. The weather improves in the resort city of Nha Trang where you can enjoy the beaches, water activities and local cuisine. On the tropical island of Phu Quoc, located in the south of the country, the weather becomes drier, making this a favorable time to relax.

Want to know even more useful information about Vietnam before your trip? Read our Vietnam travel tips.

Visit Vietnam in other months

• January
• February
• March
• April
• May
• June
• July
• August
• October
• November
• December