September weather forecast
Calangay, Philippines

The first month of the autumn, September, is still a warm month in Calangay, Philippines, with an average temperature varying between 24.3°C (75.7°F) and 29.8°C (85.6°F).

Temperature

The arrival of September is marked by an average high-temperature of a still moderately hot 29.8°C (85.6°F), bearing a close resemblance to August. The temperature in Calangay, Philippines, lowers to an average of 24.3°C (75.7°F) during September nights.

Heat index

The heat index value during September is appraised at a sweltering 38°C (100.4°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The months with the highest humidity are July and September, with an average relative humidity of 83%.

Rainfall

In Calangay, in September, during 16.1 rainfall days, 71mm (2.8") of precipitation is typically accumulated. Throughout the year, there are 196.1 rainfall days, and 602mm (23.7") of precipitation is accumulated.

Daylight

In Calangay, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 5:42 am and sunset at 6:06 pm. On the last day of September, in Calangay, sunrise is at 5:43 am and sunset at 5:44 pm PST.

Sunshine

In September, the average sunshine is 8.2h.

UV index

The months with the highest UV index are February through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.