- Explore latest sale offers on holidays in 2024/2025
- Filter deals by continent, star rating & holiday type
- Including Dubai, Caribbean, North America, Asia & Pacific
Thailand weather in September 2025
Expect 90°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Thailand in September. Check more long-term weather averages for Thailand in September before you book your next holiday to Thailand in 2025/2026.
- 90°F max day temperature
90 - 5 hours of sunshine per day
- 20 days with some rainfall
20 - 77°F min night temperature
77 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 11.5 inches of monthly rainfall
11.5 - 11+ (Extreme) UV index
11
More about Thailand
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Thailand by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Thailand
Holiday deal finder
The September weather guide for Thailand (Bangkok) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Thailand destinations
Below are average maximum temperatures at popular countries, regions and places in Thailand in September. Select a holiday destination to see more weather parameters.
All Thailand destinations
- Bangkok
- Cha Am
- Chiang Mai
- Chiang Rai
- Hat Yai
- Hua Hin
- Kanchanaburi
- Khao Lak
- Khao Sok National Park
- Khao Yai National Park
- Koh Chang
- Koh Samui
- Krabi
- Mae Hong Son
- Nakhon Ratchasima
- Nan
- Nong Khai
- Pattaya
- Phi Phi
- Phuket
- Sukhothai
- Surat Thani
- Ubon Ratchathani
- Udon Thani
Metric (°C) | Imperial (°F)
More about Thailand
How hot is it in Thailand in September?
Daytime temperatures usually reach 90°F in Bangkok, Thailand in September with very high heat and humidity, falling to 77°F at night.
How sunny is it in Thailand in September?
There are normally 5 hours of bright sunshine each day in Bangkok, Thailand in September - that's 43% of daylight hours.
Does it rain in Thailand in September?
There are usually 20 days with some rain in Bangkok, Thailand in September and the average monthly rainfall is 11.5 inches.
What is the chance of a typhoon in Thailand in September?
On average less than 1 day in September in Bangkok, Thailand is likely to be affected by the passage of one or more tropical storms.
Thailand September sunrise & sunset times
Browse the sunrise and sunset times for Thailand in September 2025. Select a month to view Thailand sunrise and sunset times for the next 12 months. The Thailand sunrise and sunset times shown below are for Bangkok.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 06:06 | 18:29 |
| Monday, 15th September 2025 | 06:07 | 18:19 |
| Tuesday, 30th September 2025 | 06:07 | 18:08 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Black Friday sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport