September weather forecast
Arenas, Philippines

September, the first month of the autumn in Arenas, is still a hot month, with an average temperature varying between 23.2°C (73.8°F) and 30.1°C (86.2°F).

Temperature

Arenas records an average high-temperature of a still tropical 30.1°C (86.2°F) in September, maintaining temperature consistency with the previous month. During the nights in September, Arenas experiences a consistent average temperature of 23.2°C (73.8°F).

Heat index

September's average heat index is appraised at a scorching 40°C (104°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Heat index readings emphasize conditions of light breezes and shaded spots. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are of high significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

The months with the highest humidity in Arenas are August and September, with an average relative humidity of 86%.

Rainfall

In September, in Arenas, the rain falls for 28 days. Throughout September, 241mm (9.49") of precipitation is accumulated. Throughout the year, there are 226.3 rainfall days, and 1398mm (55.04") of precipitation is accumulated.

Daylight

In September, the average length of the day in Arenas is 12h and 13min.
On the first day of the month, sunrise is at 5:44 am and sunset at 6:09 pm. On the last day of September, sunrise is at 5:46 am and sunset at 5:47 pm PST.

Sunshine

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

UV index

The months with the highest UV index are February through June, August through October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 7 in September translates into these instructions:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.