September weather forecastRawang, Malaysia

Weather in September

The first month of the autumn, September, is still a hot month in Rawang, Malaysia, with an average temperature fluctuating between 32.2°C (90°F) and 23.2°C (73.8°F).

Temperature

The ushering in of September brings an average high-temperature of a still tropical 32.2°C (90°F), closely mirroring the 32.4°C (90.3°F) of August. In the month of September, the average temperature dips to a moderately hot 23.2°C (73.8°F) during the night.

Heat index

The average heat index in September is evaluated at a blisteringly hot 43°C (109.4°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The months with the lowest humidity in Rawang are August and September, with an average relative humidity of 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 22.6 days and accumulates 82mm (3.23") of precipitation.

Daylight

The average length of the day in September is 12h and 8min.
On the first day of September in Rawang, sunrise is at 7:08 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:06 pm +08.

Sunshine

In Rawang, the average sunshine in September is 8.7h.

UV index

The months with the highest UV index in Rawang are February through October and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 7 in September translates into these instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.