September weather forecast
Calumpang, Philippines

The first month of the autumn, September, is still a warm month in Calumpang, Philippines, with an average temperature ranging between min 21.7°C (71.1°F) and max 29°C (84.2°F).

Temperature

As September unfolds, the average high-temperature reaches a still moderately hot 29°C (84.2°F), hinting at a slight fluctuation from the previous month. During the month of September, the temperature generally drops to a low average of 21.7°C (71.1°F).

Heat index

The average heat index in September is calculated to be a fiery hot 35°C (95°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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 essentially critical for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in September is 82%.

Rainfall

In September, in Calumpang, the rain falls for 24.6 days. Throughout September, 107mm (4.21") of precipitation is accumulated. Throughout the year, there are 291.7 rainfall days, and 1307mm (51.46") of precipitation is accumulated.

Daylight

The average length of the day in September in Calumpang is 12h and 9min.
On the first day of the month, sunrise is at 5:32 am and sunset at 5:46 pm. On the last day of September, in Calumpang, sunrise is at 5:27 am and sunset at 5:31 pm PST.

Sunshine

In September, the average sunshine in Calumpang is 8.3h.

UV index

The months with the lowest UV index are January through March, May through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: During September, 6 as the daily maximum UV index converts into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.