Climate averages 1991–2020
Hat Yai weather
in September.
A hot, wet month: the 7th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Hat Yai: daytime highs average 30.4°C and nights cool to about 24.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 164 mm of rain on roughly 24 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average September day.
The nearest other city in this atlas is Ban Mai (23 km away). In September its highs average 30.1°C, about as warm as Hat Yai, with 123 mm of rain.
Among the 46 cities listed in Thailand, Hat Yai ranks joint 24th of 46 for the warmest September highs and 6th of 46 for the driest September (rainfall, lowest first). The mean September high of those 46 cities is 30.3°C; Hat Yai is level with that mean.
From September to October, average highs fall by 1.1°C to 29.2°C, and monthly rainfall rises from 164 mm to 285 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Hat Yai climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.7°C23.3°C | 23.3°C | 86 | 12.4 | 11.812 h |
| February | 30.2°C23.5°C | 23.5°C | 44 | 7.3 | 11.912 h |
| March | 31.4°C24.1°C | 24.1°C | 94 | 12.6 | 12.112 h |
| April | 31.7°C24.7°C | 24.7°C | 136 | 19.3 | 12.312 h |
| May | 31.4°C25.0°C | 25.0°C | 150 | 23.5 | 12.412 h |
| June | 31.1°C24.8°C | 24.8°C | 114 | 19.4 | 12.513 h |
| July | 31.0°C24.6°C | 24.6°C | 115 | 19.7 | 12.512 h |
| August | 31.0°C24.5°C | 24.5°C | 121 | 20.7 | 12.312 h |
| September, selected | 30.4°C24.2°C | 24.2°C | 164 | 24.0 | 12.212 h |
| October | 29.2°C23.9°C | 23.9°C | 285 | 28.1 | 12.012 h |
| November | 28.3°C23.7°C | 23.7°C | 347 | 27.3 | 11.812 h |
| December | 27.9°C23.5°C | 23.5°C | 277 | 21.9 | 11.712 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Ban Mai in SeptemberThailand · 23 kmHigh 30.1°C · Low 25.5°C · 123 mm rain
- Alor Setar in SeptemberMalaysia · 100 kmHigh 29.4°C · Low 24.2°C · 259 mm rain
- Yala in SeptemberThailand · 103 kmHigh 31.4°C · Low 23.2°C · 160 mm rain
- Pendang in SeptemberMalaysia · 113 kmHigh 29.5°C · Low 23.8°C · 254 mm rain
- Sungai Petani in SeptemberMalaysia · 151 kmHigh 29.4°C · Low 24.1°C · 231 mm rain
- Kota Kuala Muda in SeptemberMalaysia · 158 kmHigh 29.5°C · Low 24.6°C · 242 mm rain
- Nakhon Si Thammarat in SeptemberThailand · 168 kmHigh 30.1°C · Low 23.8°C · 149 mm rain
- Tasek Glugor in SeptemberMalaysia · 170 kmHigh 29.4°C · Low 23.9°C · 231 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Hat Yai) is explained once on the Hat Yai year overview and on the Sources, method and limits page.