September weather forecastCheras, Malaysia
September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cheras, Malaysia
- Average high temperature in September: 31.7°C
The warmest month (with the highest average high temperature) is April (32.1°C).
The month with the lowest average high temperature is December (30.3°C).
- Average low temperature in September: 23.1°C
The month with the highest average low temperature is May (23.9°C).
The coldest months (with the lowest average low temperature) are January and February (22.5°C).
Average pressure in September
Cheras, Malaysia
- Average pressure in September: 1009.7mbar
The month with the highest atmospheric pressure is January (1010.5mbar).
The month with the lowest atmospheric pressure is May (1008.7mbar).
Average wind speed in September
Cheras, Malaysia
- Average wind speed in September: 4.7km/h
The windiest months (with the highest average wind speed) are July and August (5km/h).
The calmest month (with the lowest average wind speed) is November (4km/h).
Average humidity in September
Cheras, Malaysia
- Average humidity in September: 75%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Cheras, Malaysia
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is November (236mm).
The driest month (with the least rainfall) is July (90mm).
Average rainfall days in September
Cheras, Malaysia
- Average rainfall days in September: 25.3 days
The month with the highest number of rainy days is December (29.3 days).
The month with the least rainy days is June (22.3 days).
Average daylight in September /
Average sunshine in September
Cheras, Malaysia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are June and July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Cheras, Malaysia
- Average sunshine days in September: 3.4 days
The month with the most sunshine days is July (7.1 days).
The month with the least sunshine days is November (0.8 days).
Average UV index in September
Cheras, Malaysia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October and December (UV index 7).
The months with the lowest UV index are January and November (UV index 6).
Average cloud cover in September
Cheras, Malaysia
- Average cloud cover in September: 40
The month with the most cloud cover is November (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Cheras, Malaysia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, November and December (8km).
