September weather forecast
Puerto Princesa, Philippines

September propels the wet trend forward in Puerto Princesa, maintaining similar climatic characteristics as August. The highlight of September’s weather is its recorded maximum rainfall of 196mm (7.72"). The days start getting shorter, with a gradual decrease in daylight hours. However, Puerto Princesa sustains a pleasant atmosphere, interwoven with intriguing folklore and vibrant festivities which continue to entice locals and travelers.

Temperature

With the dawn of September, Puerto Princesa witnesses an average high-temperature of a still hot 30.9°C (87.6°F), on par with August. Puerto Princesa cools down to an average low-temperature of 23.4°C (74.1°F) throughout the month of September.

Heat index

Throughout September, the heat index is computed to be a scorching 43°C (109.4°F). Stay on guard: Heat exhaustion and heat cramps are predicted. Ongoing effort can cause heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In September, the average relative humidity is 86%.

Rainfall

In Puerto Princesa, Philippines, during September, the rain falls for 16 days and regularly aggregates up to 196mm (7.72") of precipitation. In Puerto Princesa, during the entire year, the rain falls for 130 days and collects up to 1564mm (61.57") of precipitation.

Sea temperature

In Puerto Princesa, the average seawater temperature in September is 28.8°C (83.8°F).
Note: Water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are warm and delightful, ensuring comfort during water activities over extended periods.

Daylight

In September, the average length of the day is 12h and 11min.
On the first day of September in Puerto Princesa, Philippines, sunrise is at 5:55 am and sunset at 6:14 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 5:56 pm PST.

Sunshine

The months with the least sunshine are June through October, with an average of 6h of sunshine.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index in Puerto Princesa. A UV Index of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 12 in September leads to these guidelines:
Employ all crucial safeguards, unprotected skin could burn rapidly. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Apply and frequently reapply a minimum SPF 30 sunscreen even on cloudy days, especially after swimming or an outdoor workout. Warning! The Sun's UV rays intensify with reflections from sand and water.