September weather forecastBiñan, Philippines

Weather in September

September brings in relief with the receding monsoon symbolized by the dropping rainfall to 146mm (5.75") over 25.5 days. With the clouds beginning to disperse, Biñan starts experiencing an increase in the amount of daily sunshine. The cooler, windy mornings followed by sunny afternoons are allocation of a changing weather pattern. As September ends, the transition to a dry pattern is beginning to set in Biñan.

Temperature

The transition into September is marked with an average high-temperature of a still warm 29.9°C (85.8°F), showing an insignificant shift from August's 29.7°C (85.5°F). An average nighttime temperature of 24.1°C (75.4°F) is witnessed in Biñan throughout September.

Heat index

For September, the heat index is estimated at a torrid 39°C (102.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

July through September, with an average relative humidity of 84%, are the most humid months.

Rainfall

In September, in Biñan, the rain falls for 25.5 days. Throughout September, 146mm (5.75") of precipitation is accumulated. Throughout the year, in Biñan, there are 206.9 rainfall days, and 944mm (37.17") of precipitation is accumulated.

Daylight

The average length of the day in September in Biñan 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 Biñan, the average sunshine in September is 8h.

UV index

February through June, August through November, with an average maximum UV index of 7, are months with the highest UV index in Biñan. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 7 during September translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.