September weather forecastMelilas, Brunei

Weather in September

September is marked by the lowest figures in annual rainfall volume, settling at 100mm (3.94"). Curiously, this reduction coincides with a trimming in temperature figures, hinting at a transition towards the year's cooler months. An increase in visibility suggests clearer skies and fewer disturbances from atmospheric particles. The trend of a slowly shrinking daylight span continues, as does the mildly falling temperature range. September, in effect, signals the preparatory phase for the upcoming cooler season in Melilas, Brunei.

Temperature

In September, Melilas experiences a minor shift in meteorological conditions with average high-temperatures marked at a still tropical 32.9°C (91.2°F), closely mirroring the climate in August. An average low-temperature of 22.9°C (73.2°F) is noted during the month of September.

Heat index

In September, the average heat index is calculated to be a life-threatening hot 47°C (116.6°F). Attention: Heat exhaustion and heat cramps are anticipated. Prolonged effort can result in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

August and September, with an average relative humidity of 78%, are the least humid months in Melilas.

Rainfall

The month with the least rainfall is September, when the rain falls for 24.1 days and typically collects 100mm (3.94") of precipitation.

Daylight

The average length of the day in September in Melilas is 12h and 8min.
On the first day of September in Melilas, sunrise is at 06:15 and sunset at 18:27. On the last day of the month, sunrise is at 06:08 and sunset at 18:13 +08.

Sunshine

The month with the most sunshine in Melilas is September, with an average of 8.7h of sunshine.

UV index

The months with the highest UV index in Melilas are February through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.