September weather forecast
Bayan Lepas, Malaysia

September in Bayan Lepas bears witness to cooler temperatures when compared to its preceding months. Tourists and residents alike find this month particularly welcoming. The city glistening under the 8.7 hours of daily sunshine offers a feast for the eyes. The shift in weather marks a distinct change, introducing a cooler yet dynamic cityscape. Heightened cloud coverage of 39% accompanies the rainy season, casting an ethereal glow over Bayan Lepas.

Temperature

September in Bayan Lepas observes an average high-temperature of a moderately hot 29.9°C (85.8°F), marking an insignificant difference from August's 30.6°C (87.1°F). Bayan Lepas registers a gentle descent to an average nighttime low of 25.3°C (77.5°F) in September from its daytime highs.

Heat index

In September, the heat index is computed to be a fiery hot 36°C (96.8°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. 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 hold great significance to children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The average relative humidity in September in Bayan Lepas is 76%.

Rainfall

In Bayan Lepas, in September, it is raining for 25.9 days, with typically 104mm (4.09") of accumulated precipitation. Throughout the year, there are 281.9 rainfall days, and 1180mm (46.46") of precipitation is accumulated.

Daylight

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

Sunshine

In September, the average sunshine in Bayan Lepas is 8.7h.

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 Bayan Lepas. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 7 during September leads to these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.