September weather forecast
Addition Hills, Philippines

September, the first month of the autumn in Addition Hills, is still a tropical month, with an average temperature varying between 25.1°C (77.2°F) and 30.5°C (86.9°F).

Temperature

Transitioning into September, Addition Hills experiences an average high-temperature of a still hot 30.5°C (86.9°F), marking a minor shift from the preceding month. During September, Addition Hills experiences an average low-temperature of 25.1°C (77.2°F) at night.

Heat index

The heat index in September is evaluated at a torrid 39°C (102.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The months with the highest humidity are July through September, with an average relative humidity of 80%.

Rainfall

In Addition Hills, in September, during 20.5 rainfall days, 113mm (4.45") of precipitation is typically accumulated. Throughout the year, there are 171.4 rainfall days, and 715mm (28.15") of precipitation is accumulated.

Daylight

In Addition Hills, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 5:43 am and sunset at 6:07 pm. On the last day of September, sunrise is at 5:45 am and sunset at 5:46 pm PST.

Sunshine

In Addition Hills, the average sunshine in September is 8.3h.

UV index

The months with the highest UV index are February through November, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.