September weather forecast
Kasilawan, Philippines

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

Temperature

The advent of September sees the average high-temperature at a still tropical 30.5°C (86.9°F), subtly shifted from August's 30.1°C (86.2°F). An average low-temperature of 25.1°C (77.2°F) is noted during the month of September.

Heat index

The average heat index in September is estimated at a sweltering 39°C (102.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

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

Rainfall

In September, in Kasilawan, the rain falls for 4.8 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, there are 51.3 rainfall days, and 143mm (5.63") of precipitation is accumulated.

Daylight

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

Sunshine

In September, the average sunshine in Kasilawan, Philippines, is 8.3h.

UV index

February through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.