September weather forecastBacayan, Philippines

Weather in September

The first month of the autumn, September, is also a moderately hot month in Bacayan, Philippines, with an average temperature ranging between max 29.6°C (85.3°F) and min 25.6°C (78.1°F).

Temperature

Bacayan marks the arrival of September with an average high-temperature of a moderately hot 29.6°C (85.3°F), hardly different from August's 30°C (86°F). Bacayan records a negligible downturn from daytime temperatures, averaging a low of 25.6°C (78.1°F) in the month of September.

Heat index

The heat index in September is appraised at a fiery hot 36°C (96.8°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. 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 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

The average relative humidity in September in Bacayan is 78%.

Rainfall

In September, in Bacayan, the rain falls for 20.7 days. Throughout September, 67mm (2.64") of precipitation is accumulated. Throughout the year, there are 237.4 rainfall days, and 745mm (29.33") of precipitation is accumulated.

Daylight

In Bacayan, the average length of the day in September is 12h and 11min.
On the first day of the month, sunrise is at 5:34 am and sunset at 5:53 pm. On the last day of September, sunrise is at 5:32 am and sunset at 5:35 pm PST.

Sunshine

In Bacayan, the average sunshine in September is 8.2h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Bacayan. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bacayan. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.