September weather forecast
Lai Chi Kok, Hong Kong

The first month of the autumn, September, is still a warm month in Lai Chi Kok, Hong Kong, with an average temperature varying between 29.6°C (85.3°F) and 26.5°C (79.7°F).

Temperature

Lai Chi Kok's transition from August to September introduces an average high-temperature of a warm 29.6°C (85.3°F), marking an insignificant variation from the 30.5°C (86.9°F). In the month of September, Lai Chi Kok experiences a minor discrepancy from peak daytime temperatures, settling at an average low-temperature of 26.5°C (79.7°F).

Heat index

In September, the average heat index is evaluated at a sweltering 36°C (96.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The average relative humidity in September in Lai Chi Kok is 77%.

Rainfall

In Lai Chi Kok, during September, the rain falls for 22.7 days and regularly aggregates up to 155mm (6.1") of precipitation. In Lai Chi Kok, during the entire year, the rain falls for 224.5 days and collects up to 1264mm (49.76") of precipitation.

Daylight

In Lai Chi Kok, the average length of the day in September is 12h and 17min.
On the first day of September, 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 Lai Chi Kok, the average sunshine in September is 8.4h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Lai Chi Kok, Hong Kong. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.