September weather forecastAlor Setar, Malaysia

Weather in September

September is marked by a further increase in rainfall and correspondingly, cloudy conditions. The average rainfall in September is 81mm (3.19"), much higher than the previous month's statistics. This rise is concurrent with a continuing descent in maximum temperature. Nonetheless, the city enjoys nearly equal hours of daylight and sunshine, sustaining its tropical charm. Add to this the maintained sea temperature, and it becomes clear why Alor Setar is a year-round destination.

Temperature

September denotes a minimal variation in the average high-temperature to a still tropical 31.3°C (88.3°F) from August's 31.7°C (89.1°F). During September, Alor Setar records an average temperature of 24.2°C (75.6°F) at night.

Heat index

September's mean heat index is computed to be an extremely hot 41°C (105.8°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Alor Setar, Malaysia, the average relative humidity in September is 77%.

Rainfall

In Alor Setar, Malaysia, in September, during 22.7 rainfall days, 81mm (3.19") of precipitation is typically accumulated. In Alor Setar, during the entire year, the rain falls for 245.2 days and collects up to 973mm (38.31") of precipitation.

Sea temperature

In Alor Setar, the average seawater temperature in September is 29.4°C (84.9°F).
Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.

Daylight

In Alor Setar, the average length of the day in September is 12h and 9min.
On the first day of September in Alor Setar, sunrise is at 7:11 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 7:10 pm +08.

Sunshine

The average sunshine in September is 8.3h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Alor Setar. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 7 in September transforms into the following instructions:
Fend off overexposure. Sun protection is vital. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.