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Hat Yai Weather in September
Hat Yai in September sees very high temperatures, with highs around 33°C (91°F) and overnight lows of 25°C (77°F). With the rainy season in full effect, expect around 183 mm (7.2 in) of rainfall and regular showers throughout the month.
Rainfall in Hat Yai in September
As part of the rainy season, Hat Yai sees around 18 days of rain in September, with an average of 183 mm (7.2 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Hat Yai in September
In September, expect very high temperatures in Hat Yai, with highs of 33°C (91°F) and lows of 25°C (77°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Hat Yai in September
You can expect a moderate amount of sunlight, with approximately 146 hours. Even though this month is part of the wet season, you can still see the sun occasionally.September in Hat Yai can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Hat Yai Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
33°C (91°F)
Chance of Rain
59%
Precipitation
183 mm (7.2 in)
Rainy days
18 days
Humidity
81% *
Sunshine
146 hours *
Percentage Sunshine
*
* Data from: Songkhla, Thailand (25 KM, 15 Miles).
Hat Yai Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hat Yai - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hat Yai typically stay consistent throughout September, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
50-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 Hat Yai in September
Browse day-by-day weather records for Hat Yai spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hat Yai historical weather extremes in September
According to our 50 years of weather records for Hat Yai, the following extremes were recorded between 1976 and 2026.
- The warmest day in September was on September 7, 2017, with a maximum of 37°C (99°F).
- On September 11, 2011, Hat Yai saw its coldest September day with temperatures maxing out at 25°C (77°F).
- Hat Yai registered its coldest September night on September 10, 1984, with temperatures dropping to 21°C (70°F).
- The wettest September day on record brought 107 mm (4.2 in) of precipitation to Hat Yai (September 30, 2014).
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 Hat Yai in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Hat Yai 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 -
Camping6/10 -
Outdoor sports7/10
Hat Yai 3-Day Forecast
More climate data for Hat Yai
Temperature Rainfall Sunshine Humidity
See the full Hat Yai 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
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