September weather forecastPinili, Philippines

Weather in September

September, the first month of the autumn in Pinili, is also a moderately hot month, with an average temperature varying between 29.6°C (85.3°F) and 24.5°C (76.1°F).

Temperature

As Pinili transitions into September, the average high-temperature stands at a still moderately hot 29.6°C (85.3°F), offering little variation from the preceding month. September witnesses an average nighttime temperature of 24.5°C (76.1°F).

Heat index

September's mean heat index is evaluated at a fiery hot 37°C (98.6°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical 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 particularly relevant to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The months with the highest humidity are July through September, with an average relative humidity of 81%.

Rainfall

In Pinili, during September, the rain falls for 25.1 days and regularly aggregates up to 181mm (7.13") of precipitation. Throughout the year, there are 196.2 rainfall days, and 1159mm (45.63") of precipitation is accumulated.

Daylight

In Pinili, the average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 5:43 am and sunset at 6:11 pm. On the last day of September, sunrise is at 5:48 am and sunset at 5:47 pm PST.

Sunshine

In Pinili, the average sunshine in September is 9.4h.

UV index

The months with the highest UV index are February through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Ward off overexposure. Defence against solar harm is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.