September weather forecast
Cheras, Malaysia

The first month of the autumn, September, is still a hot month in Cheras, Malaysia, with an average temperature varying between 23.1°C (73.6°F) and 31.7°C (89.1°F).

Temperature

Cheras's average high-temperature undergoes a slight change with the dawn of September, equating to the readings of August. In the month of September, the temperature in Cheras generally rests at an average low of 23.1°C (73.6°F).

Heat index

September's average heat index is appraised at an extremely hot 41°C (105.8°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Exposure to the direct sun might augment heat index values 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. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in September in Cheras is 75%.

Rainfall

In September, the rain falls for 25.3 days. Throughout September, 94mm (3.7") of precipitation is accumulated. In Cheras, during the entire year, the rain falls for 315.1 days and collects up to 1775mm (69.88") of precipitation.

Daylight

In Cheras, the average length of the day in September is 12h and 8min.
On the first day of September, sunrise is at 7:07 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:05 pm +08.

Sunshine

In Cheras, the average sunshine in September is 8.5h.

UV index

February through October and December, with an average maximum UV index of 7, are months with the highest UV index in Cheras, Malaysia. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.