September weather forecastArenas, Philippines
September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arenas, Philippines
- Average high temperature in September: 30.1°C
The warmest month (with the highest average high temperature) is April (34.2°C).
The month with the lowest average high temperature is January (28.8°C).
- Average low temperature in September: 23.2°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).
Average pressure in September
Arenas, Philippines
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is February (1013.6mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in September
Arenas, Philippines
- Average wind speed in September: 5.3km/h
The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest months (with the lowest average wind speed) are May and September (5.3km/h).
Average humidity in September
Arenas, Philippines
- Average humidity in September: 86%
The months with the highest relative humidity are August and September (86%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Arenas, Philippines
- Average rainfall in September: 241mm
The wettest month (with the highest rainfall) is July (256mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in September
Arenas, Philippines
- Average rainfall days in September: 28 days
The month with the highest number of rainy days is July (29.5 days).
The month with the least rainy days is February (6.9 days).
Average daylight in September /
Average sunshine in September
Arenas, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Arenas, Philippines
- Average sunshine days in September: 1.5 days
The month with the most sunshine days is March (20.3 days).
The month with the least sunshine days is July (1.4 days).
Average UV index in September
Arenas, Philippines
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, August, September and October (UV index 7).
The months with the lowest UV index are January, July, November and December (UV index 6).
Average cloud cover in September
Arenas, Philippines
- Average cloud cover in September: 51
The month with the most cloud cover is August (Cloud cover 56).
The months with the least cloud cover are March and April (Cloud cover 29).
Average visibility in September
Arenas, Philippines
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The month with the lowest visibility is September (7km).





