Thailand in September: Weather, Things To Do, And Essential Tips!

Visiting Thailand in September is a unique and rewarding experience, even during the rainy season. While the weather is humid and wet, plenty of activities and sites remain open and accessible. Instead of letting the rain deter you, simply choose destinations and activities that suit the weather. September also offers the chance to enjoy vibrant greenery and fewer crowds. In this article, we share our best tips for making the most of Thailand during the monsoon season.

Written by Oliver PHUNG (local expert)Updated on 26-06-2024

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1. Climate And Weather In September

September in Thailand is deep into the rainy season, making it one of the wettest months across the country, including Bangkok, the north, and the south.

Temperatures stay warm, ranging from 25°C to 32°C, with high humidity. Thunderstorms and heavy showers are common, especially in the afternoons and evenings, with rain falling on 17 to 22 days each month.

The west coast and the Andaman Sea islands experience more rainfall compared to the relatively drier east coast and Gulf of Thailand islands like Koh Samui. While the rain enhances the beauty of waterfalls and lush vegetation, it can limit some outdoor activities.

However, this season offers advantages such as discounted hotels and transportation. It's a great time to explore cultural sites in Bangkok, Chiang Mai, and Chiang Rai. Koh Samui and other Gulf islands also provide good conditions. Just be prepared to adapt to the changing weather.

2. What To Do In Thailand In September?

• Unusual Bangkok in the rain

In September, you can explore Bangkok’s iconic temples, like Wat Pho with its giant reclining Buddha and Wat Arun with its vibrant porcelain pagodas. The Grand Palace, a former royal residence, is also a must-see for its stunning traditional Thai architecture.

Rainy days are perfect for diving into Thailand’s history and arts at renowned museums such as the National Museum, the Museum of Contemporary Art, or the Suan Pakkad Palace Museum, housed in a historic aristocratic residence.

Shopping enthusiasts will love the large air-conditioned malls and the covered markets like Chatuchak. When the rain pauses, a stroll through Lumpini Park offers a refreshing escape.

For relaxation, Bangkok's traditional Thai spas offer soothing Ayurvedic massages. Taking a Thai cooking class is another delightful activity during rainy intervals.

And no visit to Bangkok is complete without dining in a chic restaurant or enjoying cocktails with a skyline view from a rooftop bar. Even in the monsoon, the city is full of attractions.

Despite it being the rainy season in Thailand in September, you can still find sunny moments to relax on the beaches of Phuket and Koh Phi Phi.

>>> Learn more about museums in Thailand:  Top 10 Bangkok Museums to Visit to Enrich Your Trip

• Beach bliss: Choosing between Phuket and Koh Phi Phi

As precipitation is more frequent on the west coast, it is better to choose beaches located on the east coast, such as Kata or Karon in Phuket, which benefit from better weather conditions thanks to their exposure. Sunny mornings are ideal for lying on the fine sand and tanning your skin. However, be ready to take cover when dark clouds appear, as sudden downpours are common.

On Koh Phi Phi, the coves of Ton Sai and Loh Dalum offer sheltered beaches. Early in the day typically offers the best chance for clear weather. In all cases, it is prudent to bring waterproof sunscreen to protect yourself from UV rays, even on overcast days.

Although more uncertain, tanning remains possible in September in Phuket or Koh Phi Phi. You just need to be flexible, choose your beach spot carefully, and keep an eye on the weather to make the most of the clearings!

• Island Escapes: Discovering Koh Tao and Koh Phi Phi

Located in the Gulf of Thailand, these islands enjoy a relatively dry climate in September compared to other regions of the country.

Koh Tao is renowned for its exceptional scuba diving spots. The clear, shallow waters around the island provide perfect visibility for observing marine life. Many coral formations and underwater wrecks are accessible near the coast. Koh Tao also offers superb white-sand beaches lined with coconut trees.

In addition, Koh Phi Phi is also famous for its soaring cliffs and secluded coves nestled between the rocks. Maya Bay Beach, made famous by the film "The Beach" with Leonardo DiCaprio, is worth the detour. To enjoy the spectacular scenery, take a boat trip with swimming stops around the island.

Although showers are possible, the weather generally remains sunny on these islands during September. Temperatures range between 25°C and 32°C, ideal for swimming. It's also the low tourist season, offering the opportunity to visit these paradise islands without the crowds!

>>> Also read:  Thailand Islands: Guide to Choosing the Best One in 2024

• Elephant encounters: Khao Sok's majestic residents

Despite the wet season, it is possible to have extraordinary experiences with elephants in Khao Sok, Thailand's south. This national park is home to a number of ethical elephant camps, which allow visitors to interact with these beasts in their natural habitat.

Daily swimming excursions are maintained, save in the event of heavy weather. Nothing beats a relaxing swim in the river with these massive beasts! The guides describe elephant behavior and promote respect for these beasts.

For more comfort during the rainy season, consider a multi-day immersion stay in the park. You will help care for the elephants on a regular basis, preparing their meals and accompanying them on walks. A unique experience!

>>> Everything you need to know about Khao Sok:  Khao Sok National Park: Your Essential Rainforest Adventure Guide (2024)

3. Can't-Miss Events: Two Highlights You Need to Experience

• Phanom Rung temple's spectacular sunrise

In September, the Phanom Rung Khmer temple in Buriram province, northeastern Thailand, hosts a rare and enchanting spectacle. From September 7 to 9, precisely, the sun rises perfectly aligned through the temple's 15 doors.

This unique solar event only happens four times a year at Phanom Rung, drawing many visitors and photographers eager to capture this extraordinary moment. Despite the crowd, it's definitely worth experiencing this exceptional sunrise.

It's also an ideal opportunity to explore the magnificent Khmer temple of Phanom Rung, hailed as one of Thailand's most beautiful. Marvel at the temple's Angkorian architecture and intricately carved bas-reliefs.

To secure a good spot and capture the sunrise through the gates, plan to arrive early. While you may need to navigate through other photographers, the spectacle is truly worth the effort.

•  Don't miss the traditional boat races

In September, many Thai cities host festivals featuring traditional longboat races. These events typically occur towards the end of the rainy season, when river levels are high.

Dating back over four centuries, these races feature long, handcrafted wooden boats, some stretching up to 30 meters in length. Rowing crews compete in thrilling 500-meter races, promising an unforgettable spectacle!

The main destinations to watch these popular races are Phichit, Phitsanulok, Nan, Chumphon, Buriram, Saraburi, and Ayutthaya.

I particularly recommend the Phimai festival, where you can admire the boat races but also attend sound and light shows in the town's Khmer temple.
In short, September is the ideal month to discover one of the oldest Thai traditions: long boat races. An authentic experience not to be missed!

4. September In Thailand: Essential Travel Tips

Traveling to Thailand in September, despite it being the rainy season, can still be a fantastic experience. Here are some practical tips to help you make the most of your trip:

• Pack Wisely: Bring light, breathable, and quick-drying clothes. Cotton and linen are great choices. Don’t forget a raincoat and an umbrella.
• Choose the Right Destination: Head to regions with less rain, like the Gulf of Thailand islands. Koh Samui, Koh Phangan, and Koh Tao typically receive less rainfall.
• Footwear Matters: Wear waterproof and comfortable shoes for rainy walks. Non-slip sandals are a good option.
• Stay Flexible: Keep an eye on the weather forecast and adjust your plans accordingly. Rain showers are often brief.
• Indoor Activities: Plan visits to museums, temples, markets, cooking classes, or enjoy spa treatments during heavy rains.
• Budget-Friendly Travel: September offers more affordable prices and fewer tourists, making it a great time for budget travelers.
• Stay Protected: Use mosquito repellent and sunscreen. Even in the rainy season, the sun can be strong.

By following these tips, you can fully enjoy the lush beauty of Thailand in September!

Conclusion

To sum it up, don't let the rainy season deter you from visiting Thailand in September. With a little preparation and flexibility, you can enjoy the country's lush landscapes and vibrant culture at attractive prices. Follow our tips, and you'll discover Thailand's treasures, rain or shine!

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