September weather forecastSanta Ignacia, Philippines

Weather in September

September, the first month of the autumn in Santa Ignacia, is still a tropical month, with temperature in the range of an average low of 23.2°C (73.8°F) and an average high of 30.1°C (86.2°F).

Temperature

As Santa Ignacia welcomes September, the average high-temperature stabilizes at a still tropical 30.1°C (86.2°F), showing little deviation from August's 30.3°C (86.5°F). Santa Ignacia observes an average low-temperature of 23.2°C (73.8°F) during September nights.

Heat index

The heat index value for September is computed to be an extremely hot 40°C (104°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Heat index determinations are made taking into account the shade and light air movements. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

September is the most humid month in Santa Ignacia, Philippines, with an average relative humidity of 86%.

Rainfall

In Santa Ignacia, during September, the rain falls for 28.4 days and regularly aggregates up to 253mm (9.96") of precipitation. Throughout the year, there are 259.4 rainfall days, and 1809mm (71.22") of precipitation is accumulated.

Daylight

In Santa Ignacia, Philippines, the average length of the day in September is 12h and 13min.
On the first day of September in Santa Ignacia, Philippines, sunrise is at 5:45 am and sunset at 6:10 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 5:48 pm PST.

Sunshine

In September, the average sunshine is 8.9h.

UV index

February through June, August through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, the maximum UV index of 7 suggests this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.