September weather forecast
Kampong Bukit Panggal, Brunei

Heading towards the end of the warm season, September whelms Kampong Bukit Panggal with a comforting weather change. The temperature, although slightly lower, still maintains a warm 30.8°C (87.4°F). Rain showers continue to decorate the cityscape, allowing for atmospheric pressure to remain stable. The month allows for pleasant weather that is neither excessively hot nor extremely wet, thus making it suitable for visitors to indulge in various activities.

Temperature

The average high-temperature during September registers at a still hot 30.8°C (87.4°F), closely corresponding to the preceding month. In Kampong Bukit Panggal, September's low temperatures hover around a warm 25.8°C (78.4°F), reflecting a minor decrease from the daytime highs.

Heat index

In September, the heat index is appraised at a very hot 39°C (102.2°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are especially crucial for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

August and September, with an average relative humidity of 75%, are the least humid months.

Rainfall

In Kampong Bukit Panggal, during September, the rain falls for 25.9 days and regularly aggregates up to 113mm (4.45") of precipitation. Throughout the year, there are 310.9 rainfall days, and 1693mm (66.65") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 9min.
On the first day of September, sunrise is at 06:14 and sunset at 18:27. On the last day of the month, sunrise is at 06:08 and sunset at 18:13 +08.

Sunshine

With an average of 9h of sunshine, September has the most sunshine of the year.

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. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.