September weather forecast
Kampong Kiarong, Brunei

September brings about minimal changes in temperature while continuing the pattern of steady showers with a drop in rainfall to 113mm (4.45"). Sun-exposed hours peak to 9 hours a day, providing ample light for outdoor activities within the city and its surroundings. The presence of winds and the consistency of humidity lend the city an air of tropical warmth, even as the year gradually begins wrapping up. September in Kampong Kiarong carries the quiet charm of a tropical city experiencing late summer.

Temperature

The introduction of September notes a subtle temperature variation to a still hot 30.8°C (87.4°F) from August's 30.9°C (87.6°F). During the nights of September, Kampong Kiarong records an average temperature of 25.8°C (78.4°F), a minor drop from daytime peaks.

Heat index

The average heat index in September is calculated to be a fiery hot 39°C (102.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

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

Rainfall

In Kampong Kiarong, in September, it is raining for 25.9 days, with typically 113mm (4.45") of accumulated precipitation. In Kampong Kiarong, during the entire year, the rain falls for 310.9 days and collects up to 1693mm (66.65") of precipitation.

Daylight

In Kampong Kiarong, the average length of the day in September is 12h and 9min.
On the first day of September in Kampong Kiarong, sunrise is at 06:14 and sunset at 18:26. On the last day of the month, sunrise is at 06:07 and sunset at 18:12 +08.

Sunshine

The month with the most sunshine is September, with an average of 9h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Kampong Kiarong. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.