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Haad Rin Weather in September
During September, Haad Rin experiences high daytime temperatures of 30°C (86°F) and cooler nights around 27°C (81°F). September sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Haad Rin in September
Haad Rin is in the rainy season in September, with rain on around 17 days and an average of 189 mm (7.4 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Haad Rin in September
In September, expect high temperatures in Haad Rin, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.
Sunshine in Haad Rin in September
The month experiences a moderate amount of sunlight, with 146 hours of sunshine. This provides a nice balance between sunshine and rain.September in Haad Rin has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Haad Rin Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
58%
Precipitation
189 mm (7.4 in)
Rainy days
17 days
Humidity
80% *
Sunshine
146 hours *
Percentage Sunshine
*
* Data from: Ko Pha-ngan, Thailand (9 KM, 6 Miles).
Haad Rin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Haad Rin - and find the best time to visit.
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Haad Rin typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Haad Rin in September
Browse day-by-day weather records for Haad Rin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Haad Rin historical weather extremes in September
Based on weather observations in Haad Rin between 1986 and 2026, these are the recorded extremes during September.
- On September 6, 2026, temperatures climbed to 36°C (97°F), marking the warmest September day on record.
- On September 23, 1992, Haad Rin saw its coldest September day with temperatures maxing out at 26°C (79°F).
- Haad Rin registered its coldest September night on September 25, 2012, with temperatures dropping to 20°C (68°F).
Best Places in Thailand in September
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Haad Rin in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Haad Rin in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Haad Rin 3-Day Forecast
More climate data for Haad Rin
Temperature Rainfall Sunshine Humidity
See the full Haad Rin climate overview or explore weather in Thailand.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bangkok
34°C (93°F) Chiang Mai33°C (91°F) Jomtien Beach32°C (90°F) Hua Hin32°C (90°F) Ao Nang Beach30°C (86°F) Koh Samui30°C (86°F) Ko Lanta30°C (86°F) Patong Beach29°C (84°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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