Hua Hin Weather in September
What's the weather like in Hua Hin (Prachuap Khiri Khan) in September 2025?
The climate in Hua Hin during September can be summarized as hot, humid and wet.
September is in the fall / autumn in Hua Hin and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 31.7°C 89.1°F |
|---|---|
| Nightly temperature | 24.1°C 75.4°F |
| Average temperature | 27.9°C 82.2°F |
| Daily sunshine | 5.5 hrs |
| Avg rainfall | 139 mm 5.5 ins |
| Rainy days | 18 days |
| Sea temperature | 28.9°C 83.9°F |
| Humidity | 78% |
| Windspeed | 5.8kph 4 mph |
On average September is the 3rd wettest month of the year in Hua Hin with around 139mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
September temperatures in Hua Hin
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Hua Hin in September 2025.
Other monthly averages
Best places to visit in September
Hua Hin weather stats
| Hottest month: | May | 32.9°C 91.2°F |
|---|---|---|
| Driest month: | January | 14mm 0.6ins |
| Sunniest month: | January | 9.5hrs |
| Coldest month: | January | 29°C 84.2°F |
| Wettest month: | October | 221mm 8.7ins |
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