Thailand Tours in September 2026
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10 best Thailand trips in September 2026
Compiled by
NadineThailand travel expert at TourRadar
- Thai Intro 9 Day
- Thai Intro 12 Day
- Essential Southern Thailand
- Treasure of Thailand in 9 days 8 nights
- Essential Thailand: Bangkok and Phuket Adventure in 7 Days - Private Tour
- Bangkok and Ancient Capitals, Small Group Tour
- Ultimate Thailand in 10 Days - Ayutthaya / Khao Sok / Phuket
- Trails and Gems of Siam, Small Group Tour
- Amazing Thailand Discovery in 12 Days
- Thailand Experience
Thai Intro 9 Day
4,559 Reviews by TourRadar travelers“The best part is Khao Sok, being away in the floating bungalows, the journey was a little tiresome but relaxing and disconnecting was soo worth it.”
Christianne, traveled in November
Duration 9 days Destinations Bangkok, Khao Sok National Park, Ko Pha Ngan Age Range Ages 18-39 Operator INTRO Travel September departure dates
See All Departure Dates1 Sep, 2026 10+ spaces left 5 Sep, 2026 10+ spaces left From
- US$949
Thai Intro 12 Day
901 Reviews by TourRadar travelers“Great mix of culture, partying and delicious food. One of the best experiences of my life!”
Seren, traveled in May
Duration 12 days Destinations Bangkok, Khao Sok National Park, Ko Pha Ngan, Ko Phi Phi Age Range Ages 18-39 Operator INTRO Travel September departure dates
See All Departure Dates1 Sep, 2026 10+ spaces left 5 Sep, 2026 10+ spaces left From
- US$1,299
Essential Southern Thailand
16 Reviews by TourRadar travelers“The night camping at the amazing deserted island was the highlight. Thailand - Great beaches, great food, great people.”
Jessica, traveled in December
Duration 8 days Destinations Bangkok, Koh Samui, Khao Sok National Park, Phuket Age Range Ages 18-35 Operator Intrepid Travel September departure dates
See All Departure Dates13 Sep, 2026 10+ spaces left 20 Sep, 2026 10+ spaces left From $800
30% Off- US$560You save $240
Treasure of Thailand in 9 days 8 nights
2 Reviews by TourRadar travelers“It was a great experience, I got an exposure to culture, history, temples, daily activities, and the life of ordinary people.”
Jucy, traveled in November
Duration 9 days Destinations Bangkok, Kanchanaburi, Ayutthaya, Chiang Mai Age Range All Ages Welcome Operator LVP Travel September departure dates
See All Departure Dates1 Sep, 2026 10+ spaces left 2 Sep, 2026 10+ spaces left From
30% Off- US$2,200
Essential Thailand: Bangkok and Phuket Adventure in 7 Days - Private Tour
3 Reviews by TourRadar travelers“Their meticulous attention to every aspect, profound expertise, and utmost professionalism all combined to ensure a smooth and rewarding travel adventure.”
Mladen, traveled in April
Duration 7 days Destinations Bangkok, Phuket Age Range All Ages Welcome Operated in English, German, Italian, Portuguese, French, Spanish, Chinese, Dutch, Russian Operator Realistic Asia September departure dates
See All Departure Dates1 Sep, 2026 10+ spaces left 2 Sep, 2026 10+ spaces left From $2,105
55% Off- US$947+$322 local paymentsYou save $1,158
Bangkok and Ancient Capitals, Small Group Tour
12 Reviews by TourRadar travelers“The hotels we were staying in were very nice.”
Nicole, traveled in September
Duration 8 days Destinations Bangkok, Ayutthaya, Kamphaeng Phet, Lampang, Chiang Mai, Lamphun, Sukhothai, Lopburi Age Range Ages 10+ Operated in English, German, Italian, French, Spanish Operator Destination Services Thailand September departure dates
See All Departure Dates1 Sep, 2026 10 spaces left 8 Sep, 2026 10 spaces left From $1,085
15% Off- US$922You save $163
Ultimate Thailand in 10 Days - Ayutthaya / Khao Sok / Phuket
15 Reviews by TourRadar travelers“Khao Sok was amazing. Rock and Treehouse was awesome.”
Lorna, traveled in December
Duration 10 days Destinations Bangkok, Ayutthaya, Samut Songkhram, Khao Sok National Park, Phuket Age Range All Ages Welcome Operated in English, German, Italian, French, Spanish, Chinese Operator PrestiGo Asia September departure dates
See All Departure Dates1 Sep, 2026 10+ spaces left 2 Sep, 2026 10+ spaces left From $2,926
45% Off- US$1,609You save $1,317
Trails and Gems of Siam, Small Group Tour
5 Reviews by TourRadar travelers“The highlight for me was our guide Sunny who was amazing. I enjoyed stopping at little markets and shops along the way.”
Karen, traveled in February
Duration 5 days Destinations Bangkok, Ayutthaya, Kamphaeng Phet, Lampang, Chiang Mai, Lamphun, Sukhothai, Lopburi Age Range Ages 10+ Operated in English, German, Italian, French, Spanish Operator Destination Services Thailand September departure dates
See All Departure Dates3 Sep, 2026 10 spaces left 10 Sep, 2026 10 spaces left From $903
15% Off- US$767You save $135
Amazing Thailand Discovery in 12 Days
56 Reviews by TourRadar travelers“I had easy WhatsApp communication with the company, which helped since I had different guides in different parts of the country.”
Alan, traveled in December
Duration 12 days Destinations Bangkok, Ayutthaya, Chiang Rai, Chiang Mai, Phang Nga Bay, Phuket Age Range All Ages Welcome Operated in English, German, Spanish Operator Bravo Indochina Tours September departure dates
See All Departure Dates2 Sep, 2026 10+ spaces left 4 Sep, 2026 10+ spaces left From $1,397
10% Off- US$1,257You save $140
Thailand Experience
1,576 Reviews by TourRadar travelers“I had the best time on the Thailand tour. The whole experience wouldn't have been the same.”
Shaun, traveled in October
Duration 8 days Destinations Bangkok, Surat Thani, Khao Sok National Park, Ko Pha Ngan Age Range Ages 18-39 Operator TruTravels September departure dates
See All Departure Dates10 Sep, 2026 10+ spaces left 12 Sep, 2026 10+ spaces left From $895
40% Off- US$537You save $358
What people love about Thailand Tours in September
- Thai Intro 9 Day
ThaIntro was great, Its the perfect 1st week to help you settle in to traveling around Thailand. The group we had was excellent and Alan our leader was great. He'll help you sort your travel plans and is always availible if you need a hand after the thaintro week has finished. Great Job!!
- Thai Intro 12 Day
Amazing week, best way to start off travelling in South East Asia especially if you're travelling alone and want to meet others. The group leaders worked so hard to make sure you are enjoying yourself and to take the stress out of travelling. Airport pickup meant you didn't have to worry about arriving. Every meal was delicious, and the accomodation was gorgeous, especially the bungalows. Highlight was koh sok national park, amazing views and swimming was gorgeous. Highly recommended!!!
- Bangkok and Ancient Capitals, Small Group Tour
Overall, it was a great experience. Our guide was very knowledgeable and helpful. The hotels we were staying in were very nice.
What our customers ask about Thailand Tours in September 2026
What is the weather like in Thailand during September?
September brings tropical weather patterns to Thailand with regional variations. Northern Thailand including Chiang Mai sees predictable afternoon showers while Bangkok maintains temperatures between 28-32°C (82-90°F) with notable humidity. The beach areas of Phuket and Koh Samui experience intermittent heavy rainfall. Recent TourRadar travelers staying at properties like the Imperial Phitsanulok Hotel and Valia Hotel Bangkok note that brief rain spells often provide welcome relief from the heat rather than disrupting travel plans.
What are the best regions to visit in Thailand during September?
The eastern Gulf coast tends to have more stable weather during September. While the northern regions of Chiang Mai and Chiang Rai see afternoon rains they remain rich in cultural activities. Central Thailand including Bangkok offers a practical mix of indoor and outdoor experiences. Travelers report success at properties like the Imperial River House Chiang Rai where they schedule outdoor activities in the morning before typical afternoon showers.
Are there any special festivals in Thailand during September?
September marks several cultural celebrations across Thailand. When the timing aligns the Chinese Mid-Autumn Festival brings energy to Bangkok's Chinatown district. Buddhist temples host ceremonies marking the end of Buddhist Lent. Visitors staying at properties like the Imperial River House in Chiang Mai find themselves well-positioned to experience these local celebrations which offer an authentic view of Thai cultural traditions.
What are the best islands to visit in Thailand during September?
The Gulf of Thailand islands (Koh Samui Koh Phangan Koh Tao) generally offer calmer conditions while Andaman Sea islands face choppier waters. Recent visitors based at the Andakira Phuket hotel report successful snorkeling trips to Phi Phi Islands though sea conditions can require flexible scheduling. The waters around Koh Samui tend to be more consistently suitable for water activities.
How much should I budget for a Thailand trip in September?
September's shoulder season status brings reduced rates across Thailand. Standard 10-day tour packages cost between USD 1000-1500 including stays at mid-range properties like True Siam Rangnam Hotel in Bangkok. Recent travelers report finding rates at upscale properties like NA NIRAND Resort at up to 30% below peak season prices making luxury stays more accessible.
What are the accommodation options in Thailand during September?
The range spans from functional 3-star hotels to luxury 5-star resorts. Bangkok's options include the practical Isanook Bangkok and the well-appointed Century Park Bangkok. In Chiang Mai properties like Na Nirand Romantic Boutique Resort cater to various preferences. The Amari Watergate in Bangkok represents the type of property that handles rainy season well with comprehensive indoor facilities.