September weather forecast
Chun Fa Lok, Hong Kong

The first month of the autumn, September, is also a moderately hot month in Chun Fa Lok, Hong Kong, with an average temperature ranging between max 29.6°C (85.3°F) and min 26.5°C (79.7°F).

Temperature

The onset of September notes an average high-temperature of a moderately hot 29.6°C (85.3°F), subtly shifted from August's 30.5°C (86.9°F). September is characterized by a steady nighttime low-temperature of 26.5°C (79.7°F).

Heat index

September's heat index is estimated at a torrid 36°C (96.8°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In September, the average relative humidity in Chun Fa Lok, Hong Kong, is 77%.

Rainfall

In Chun Fa Lok, in September, during 22.7 rainfall days, 155mm (6.1") of precipitation is typically accumulated. In Chun Fa Lok, during the entire year, the rain falls for 224.5 days and collects up to 1264mm (49.76") of precipitation.

Daylight

The average length of the day in September is 12h and 17min.
On the first day of September in Chun Fa Lok, sunrise is at 06:06 and sunset at 18:40. On the last day of the month, sunrise is at 06:14 and sunset at 18:12 HKT.

Sunshine

In September, the average sunshine in Chun Fa Lok is 8.4h.

UV index

The months with the highest UV index in Chun Fa Lok are May through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.