start to bid adieu to warm summer days. The weather is still moderately hot but significantly more comfortable than the peak summer months. The rainfall too, drops quite noticeably to 166mm falling across 12.5 days, letting the city recover from the heavy monsoon. Thus, September marks the transition from the hot, wet summer to the cooler, drier months, prompting a shift to lighter clothing and outdoor plans.
, experiences an average high-temperature of a still tropical 31.5°C with the onset of September, subtly varied from August
's 32.7°C. The nighttime temperature, during September, averages of 24°C.
September's mean heat index is appraised at a scorching 42°C. Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.Note
: The heat index, also known as 'feels like' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
In September, the average relative humidity in Foshan is 78%.
In Foshan, during September, the rain falls for 12.5 days and regularly aggregates up to 166mm of precipitation. Throughout the year, in Foshan, there are 149.2 rainfall days, and 1736mm of precipitation is accumulated.
In Foshan, the average length of the day in September is 12h and 17min.
On the first day of September in Foshan, sunrise is at 06:09 and sunset at 18:45. On the last day of the month, sunrise is at 06:18 and sunset at 18:16 CST.
In Foshan, the average sunshine in September is 5.7h.