Are you planning to travel to Thailand in September?

[AN-FAQ]

Thailand in September is a great time to travel, offering fewer tourists and lower prices due to the rainy season. The weather varies by region, with the north experiencing cooler temperatures and more rain, while the east coast of the south stays relatively dry. This season is perfect for exploring Thailand's lush landscapes in a quieter, more relaxed atmosphere.

What is the weather like in Thailand in September?

September marks the peak of the rainy season in Thailand, influenced by the southwest monsoon. Rainfall is typically heavy but short, often followed by sunshine. The weather differs significantly by region:

• Bangkok and Central Thailand: Hot and humid, with frequent afternoon showers.
• Northern Thailand (Chiang Mai, Chiang Rai): Cooler with more rain, creating lush, scenic views.
• Southern Thailand (West Coast – Phuket, Krabi): Heavy rainfall and occasional storms.
• Southern Thailand (East Coast – Koh Samui, Koh Phangan): Drier and better suited for beach activities.

 

Location	Average High (°C)	Average Low (°C)	Average Rainfall (mm)
Bangkok	32	25	320
Chiang Mai	28	21	251
Chiang Rai	27	21	200
Krabi	31	24	391
Phuket	30	24	417
Koh Samui	30	25	113

 

September is generally the wettest month across these regions, so travellers should be prepared for rain.

Famous events in Thailand for September

Thailand hosts various events and festivals in September, including:

• Wet Series Music Festival (Chiang Rai): A music-filled weekend at Singha Park.
• Phanom Rung Light Phenomenon (Buri Ram): A natural phenomenon where sunlight aligns through temple gates.
• Por Tor (Hungry Ghost Festival) (Phuket): Honouring ancestors through traditional ceremonies.
• Mooncake Festival (Bangkok): Celebrated in Bangkok’s Chinatown and other areas with a strong Chinese influence, here is an article on where to find the best mooncakes in Thailand.

For more information, please read Thaiger's article on where to travel in Thailand in September

 

What else would you like to know about travelling in Thailand? Please let us know, and our writers will research and write your ideas!

[Presnock]

Well September is proving its past as the heaviest rains this year.  record flooding within the countries rivers and the Mekong too.  A mid-sept super typhoon has killed more than 500 Asians, with another storm due this week along a similar path to that of last week and many northern and northeastern provinces are inundated right now so any additional rains will only make things worse.  The weather person warned of possible "rain bombs" as some of the thunderstoms drop a ltremendous amount of water and with streams, rivers and cities already flooded, things can only get worse.  A visit to Thailand during September this year might be okay for some of the coastal cities with beaches but the waves from storms also affect the travel by boat to some islands.  Be aware of local conditions at all times.  But still a paradise for many.