September weather forecast
Hua Hin, Thailand

September in Hua Hin marks the peak of the rainy season with the highest rainfall of the year at 120mm (4.72"). Despite being the wettest month, the weather remains predominantly warm, with temperatures only slightly decreasing from the previous month. Despite the copious rainfall, Sunshine prevails, providing an average of five hours per day. As the month comes to a close, the rainfall begins to gradually decrease, hinting at the onset of the drier months. The warm sea becomes a consolation for the regular showers, remaining pleasant for those who crave a refreshing dip.

Temperature

Hua Hin, Thailand, marks the start of September with an average high-temperature of a still tropical 32.4°C (90.3°F), hinting at a slight fluctuation from August's 33°C (91.4°F). In Hua Hin, September's nights observe an average temperature dip to a warm 25°C (77°F).

Heat index

The heat index for September is computed to be a burning hot 45°C (113°F). Warning: Heat cramps and heat exhaustion are anticipated. Heatstroke is a risk with ongoing activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

The average relative humidity in September in Hua Hin is 77%.

Rainfall

In Hua Hin, during September, the rain falls for 17 days and regularly aggregates up to 120mm (4.72") of precipitation. Throughout the year, in Hua Hin, there are 118 rainfall days, and 955mm (37.6") of precipitation is accumulated.

Sea temperature

In Hua Hin, the average seawater temperature in September is 29°C (84.2°F).
Note: In water activities such as swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed highly pleasurable for extended periods without any unease.

Daylight

In September, the average length of the day is 12h and 12min.
On the first day of the month, sunrise is at 06:09 and sunset at 18:30. On the last day of September, sunrise is at 06:09 and sunset at 18:10 +07.

Sunshine

June through September, with an average of 5h of sunshine, are months with the least sunshine in Hua Hin, Thailand.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 12 in September suggests the following recommendations:
Take all critical precautions, unprotected skin might burn swiftly. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. After every outdoor workout or swim, liberally apply and frequently reapply a broad-spectrum SPF 30+ sunscreen. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.