Bangkok in September: Weather, Festival & Best Things to Do

Have you ever wondered, “Should I go to Bangkok in September – when it’s rainy?” In fact, many tourists often miss this time, but that’s what makes Bangkok in September so special. The city becomes quieter, less crowded, the cost of travel is also more pleasant, while the cultural and culinary experiences remain intact. The sudden rains only make Bangkok more romantic and bring a slow rhythm, completely different from the peak months. If you are looking for a budget and unique trip, then Bangkok September may be the answer.

Should Visitors Travel to Bangkok in September?

Many tourists are often afraid of September because Bangkok is in the rainy season, but in fact, this is a time that brings very unique experiences. The rain often comes quickly and stops quickly, leaving the air fresher and cooler than the previous hot months.

Another big advantage is that September is not the peak season, so you will find Bangkok much less crowded. Visiting the Grand Palace, Wat Pho or taking a boat ride along the Chao Phraya River becomes more comfortable, without having to jostle with the usual crowd. In addition, this is also the month when airfares and hotels are significantly reduced, very suitable for those who want to save money but still fully enjoy the beauty and pace of Bangkok. Large shopping malls often launch many shopping promotions, creating opportunities for you to both shelter from the rain and experience the vibrant atmosphere inside.

For international visitors, Bangkok in September offers an interesting balance: a bit of surprise from tropical rains, but also a more leisurely, economical and intimate experience.

Scenic view of Bangkok city at sunset with Wat Traimit temple illuminated in September

Bangkok in September

Bangkok Weather in September

September is considered one of the most rainy months in Bangkok. The average temperature ranges from 25°C to 32°C, during the day it is warm but not too cold due to warm rains. The average monthly rainfall can be up to 300-350 mm, with about 20 days of rain. However, rain often appears as a sudden rain shower in the afternoon or evening, rarely lasting throughout the day, so you still have plenty of dry periods to visit. The average humidity is about 75-80%, making it feel a little wet, but in return the air becomes clean, the sky after the rain is often very bright.

For international travelers, it is important to prepare reasonable luggage. You should bring light, breathtable clothing, easy-to-dry shoes or slippers, and always have thin raincoats or small folding umbrellas in the balo. A waterproof bag for your phone and camera will also give you more peace of mind when traveling outdoors. With careful preparation, you can fully enjoy Bangkok in September without letting the weather get in the way.

Bangkok weather in September infographic showing average temperature, rainfall, and humidity

Bangkok Weather in September

Pros and Cons of Visiting Bangkok in September

Bangkok in September is not necessarily a “safe” choice for all visitors, but it has its own charms. The rainy weather may make you hesitate, but this is what makes Bangkok different: quieter, cheaper and full of surprises. Let’s take a look at the pros and cons to see if September is suitable for your trip.

Pros of visiting Bangkok in September

Traveling to Bangkok in September offers many advantages for international visitors. First is the cost savings: airfares and hotels are often much lower than in peak season. Second, the space is more comfortable: famous attractions such as the Grand Palace, Wat Pho or the floating market are less crowded, allowing you to enjoy the experience in a relaxed way. In addition, September is also a great time to explore Bangkok in a more “local” way – when the city is not too busy with tourists.

Cons of visiting Bangkok in September

The biggest drawback is definitely the rainy weather. With quite a lot of rain, some outdoor activities such as visiting the floating market or taking a boat on the river can be interrupted. High humidity sometimes makes visitors feel a bit stuffy. In addition, traffic jams on rainy days are often worse, so you need to plan your travel flexibly. However, with a little preparation – from raincoats, suitable footwear to flexible scheduling – Bangkok in September still offers an attractive journey that is both economical and less crowded.

Things to Do in Bangkok in September

Although September is the rainy season, Bangkok still has a lot to offer. In fact, the rains tend to come and go quickly, leaving behind a cool, crisp atmosphere – sometimes adding a special “spice” to the trip. This is a great opportunity for international visitors to experience the city at a slower pace, with less crowds, but still full of the food, culture and excitement that Bangkok is known for. Here are some things to do in the Thai capital in September.

Discover the Grand Palace and Wat Pho

The Grand Palace has always been an unmissable destination when visiting Bangkok, and September, despite the rain, brings a different experience. In the morning, when it is usually rainy, you can step into the dangerous palace, watching the golden temples shine in the sun just after the rain.

Besides, Wat Pho is famous for its huge lying Buddha statue and traditional massage art is also well worth a visit. The advantage of September is fewer visitors, so you will have more comfortable space to take pictures and feel the peace of the sanctuary. I had the opportunity to sit for a while in Wat Pho itself when it was raining, and the feeling of peace was truly unforgettable.

Night view of Wat Pho in Bangkok, Thailand, with golden temple spires illuminated under a purple twilight sky

Wat Pho at night

>>> Are you interested in the magnificent and unique architectures of Thailand, let’s embark on our Bangkok Highlights 5 Days Tour, which walk you through all prominent symbol of Thailand’s capital.

Visit shopping centers

On heavy rainy afternoons, malls such as Siam Paragon, MBK, CentralWorld or ICONSIAM become “rainy haven”. Here, you not only shop from international brands to local products, but also experience a diverse culinary experience, from cheap food courts to upscale restaurants. An interesting point at ICONSIAM is the simulated floating market right in the house, where you can shop and taste traditional Thai dishes without worrying about the weather.

ICONSIAM shopping mall in Bangkok illuminated at sunset, with colorful fountains and vibrant lights reflecting along the riverside promenade

ICONSIAM

Explore Street Food & Rooftop Night Market

Bangkok is a street food paradise, and September is no exception. Night markets such as Ratchada Train Market or JJ Green have many covered stalls, ensuring you can still enjoy food in the rain. Here, you can try everything from pregnancy pads, tom yum, to freshly baked seafood on display right in front. Our customer, David and Maya shared after the tour that their most memorable experience is staying in the rain in the market and ordered a mango sticky rice. The still vividly remember the feeling of soaking up sweets and hearing the rain falling on the rooftop really added to the “real Bangkok” experience.

Bustling street food restaurants in Bangkok with tourists dining outdoors at night

Street food restaurants in Bangkok

Relax at Spa & Thai Massage

After a day of walking in the sudden rain, there’s nothing better than visiting a Thai massage shop to relax. The Sukhumvit, Silom or Khao San districts all have countless spas, from casual to upscale, to suit every budget. Traditional Thai massage not only helps the body relax, but also brings a feeling of rapid recovery after long hours of walking.

Relaxing spa session in Bangkok with a therapist giving a head massage to a guest in a serene setting

Spa session in Bangkok

Take part in Thai Cooking Class

If you want to take a bit of Bangkok home, try taking a cooking class. In September, when it rains outside, this is the ideal indoor activity for both learning and fun. Classes usually begin with a market trip with the chef to choose fresh ingredients, after which you will prepare your own specialities such as green curry, triple salmon or mango sticky rice. This experience not only helps you understand more about Thai culinary culture, but is also a great way to connect with other travelers. I still remember the pride of cooking my own spicy Thai-style tom yum – an experience that I still tell my friends every time I mention Bangkok.

ourists participating in a Thai cooking class in Bangkok, learning to prepare authentic dishes in a hands-on culinary experience

Thai cooking class in Bangkok

>>> Thailand, the land of Golden Temple has many things to discover, from sacred intricate temples, to stunning natural landscape and rich cultural heritage and delicious cuisine. Whether you are natural and cultural-lover or foodie, a holiday to Thailand would be your holiday of a lifetime. Visit our Thailand Tours and Travel Packages 2025/2026 to make your unforgettable experience!

Helpful tips when visiting Bangkok in September

To make your best time in Bangkok in September, please save these tips below:

  • Bring a small umbrella or folding umbrella: September rains are often sudden in the afternoon or evening, so a folding umbrella or thin umbrella in the balo will help you move more flexibly.
  • Choose comfortable, easy-to-dry clothing: Lightweight, cool cotton clothing is the best choice. Sandals or waterproof sneakers will be more convenient than leather shoes.
  • Arrange a flexible schedule: If you plan to visit the outdoors, choose the morning as there is usually less rain. In the afternoon or evening, you can spend time on indoor activities such as shopping, spa or cooking classes.
  • Book a hotel in the center: In areas such as Sukhumvit, Siam or Silom will make it easy to get around by BTS / MRT, avoiding traffic jams in the rain.
  • Prepare an extra day of backup: If you’re in Bangkok for about 4-5 days, add an extra “backup” day to your schedule so that it can change in case of heavy rain.
  • Keep electronic devices safe: Small waterproof bag for phone, camera will be very helpful. I had a sudden rain at Chatuchak Market.

In conclusion, Bangkok in September may not be the “best” time in terms of weather, but it offers a different and exciting perspective. Sudden rains make the city cooler, cleaner, while travel costs are pleasant and space is less crowded. This is an opportunity for you to experience Bangkok in a slower way – from wandering through ancient temples, exploring modern shopping malls, to enjoying street food under the roof of night markets. If you’re looking for a budget-friendly trip full of Thai culture and cuisine, September Bangkok is definitely a worthwhile choice for your trip. Contact us to start your trip today!

Read more:

We are here to help you...

Start planning your tailor-made tour with 1-1 help from our specialists

Mina Nguyen

A Hanoi girl who is passionate about traveling and exploring different cultures. Mina Nguyen always brings a journey of inspiration through every article and every picture. With tireless feet and a free-loving heart, she has set foot in more than 20 countries, notably the ancient capital of Luang Prabang (Laos), Bali (Indonesia), and the vibrant night markets in Bangkok (Thailand). After each journey, she documented the beauty of nature, culture, and people there. For her, travel is not just about discovery but also a way to connect and share meaningful life values. As a travel blogger and local expert, Mina Nguyen specializes in sharing travel experiences in Southeast Asia. With a deep understanding of culture and street food, especially in Vietnam, Thailand, and Indonesia, she has made her mark through her authentic and lively articles. At the same time, she is also the admin of the “The Journey of Taste” blog channels, which bring together local travel experiences. If you have questions or want to share more, do not hesitate to leave a comment, she is always ready to respond and connect!

Leave a Reply

Your email address will not be published


You might also like

Indochina Greetings Guide: How to Say Hello Like a Local

Have you ever felt confused when you arrive in a new country, not knowing how to greet people properly without coming across…

Top 10+ Things to Do in Chiang Mai You Shouldn’t Miss

Wondering what to do in Chiang Mai besides visiting temples? You’re not alone – that was exactly what I thought when I…

15+ Jaw-Dropping Facts About Thailand That Will Change Your Trip

There are a few basic things that everyone should know before going to Thailand, such as when to go, where to go,…

Create My Trip