September weather forecastApalen, Philippines
September
Weather in September
The first month of the autumn, September, is also a hot month in Apalen, Philippines, with an average temperature ranging between min 23.2°C (73.8°F) and max 30.7°C (87.3°F).Temperature
The months of January and September bring the lowest temperatures, averaging a high of 30.7°C (87.3°F).Heat index
In September, the heat index is appraised at a scorching 41°C (105.8°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 84%.Rainfall
In September, the rain falls for 25 days. Throughout September, 179mm (7.05") of precipitation is accumulated. In Apalen, during the entire year, the rain falls for 217 days and collects up to 1264mm (49.76") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September, sunrise is at 5:45 am and sunset at 6:11 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 5:48 pm PST.
Sunshine
In September, the average sunshine is 9h.UV index
The months with the highest UV index are February through June, August through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 7 during September leads to these instructions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Apalen, Philippines
- Average high temperature in September: 30.7°C
The warmest month (with the highest average high temperature) is April (34.9°C).
The months with the lowest average high temperature are January and September (30.7°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
Apalen, Philippines
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is February (1013.8mbar).
The month with the lowest atmospheric pressure is August (1007.5mbar).
Average wind speed in September
Apalen, Philippines
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is February (7.8km/h).
The calmest month (with the lowest average wind speed) is September (6.1km/h).
Average humidity in September
Apalen, Philippines
- Average humidity in September: 84%
The months with the highest relative humidity are August and September (84%).
The month with the lowest relative humidity is April (67%).
Average rainfall in September
Apalen, Philippines
- Average rainfall in September: 179mm
The wettest month (with the highest rainfall) is July (258mm).
The driest months (with the least rainfall) are January and February (14mm).
Average rainfall days in September
Apalen, Philippines
- Average rainfall days in September: 25 days
The month with the highest number of rainy days is July (28.6 days).
The month with the least rainy days is January (7.3 days).
Average daylight in September /
Average sunshine in September
Apalen, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is April (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in September
Apalen, Philippines
- Average sunshine days in September: 4.2 days
The month with the most sunshine days is January (21.9 days).
The months with the least sunshine days are June and July (1.8 days).
Average UV index in September
Apalen, Philippines
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January and July (UV index 6).
Average cloud cover in September
Apalen, Philippines
- Average cloud cover in September: 41
The months with the most cloud cover are July and August (Cloud cover 47).
The months with the least cloud cover are January, February and March (Cloud cover 22).
Average visibility in September
Apalen, Philippines
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are July, August and September (8km).
