September weather forecastPerrelos, Philippines
September
Weather in September
September, the first month of the autumn in Perrelos, is still a warm month, with an average temperature varying between 29.8°C (85.6°F) and 25.3°C (77.5°F).Temperature
September is marked by an average high-temperature of a moderately hot 29.8°C (85.6°F), almost identical to the preceding month. A consistent average low of 25.3°C (77.5°F) is noted throughout September, only a small step down from its daytime high.Heat index
The heat index in September is appraised at a fiery hot 36°C (96.8°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In September, the average relative humidity is 77%.Rainfall
In Perrelos, during September, the rain falls for 22.5 days and regularly aggregates up to 73mm (2.87") of precipitation. Throughout the year, there are 246.5 rainfall days, and 850mm (33.46") of precipitation is accumulated.Sea temperature
In Perrelos, in September, the average water temperature is 29.1°C (84.4°F).Note: For any water activity, the surface water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are deemed excellent and incredibly pleasant for longer durations.
Daylight
In Perrelos, the average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 5:35 am and sunset at 5:54 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 5:36 pm PST.
Sunshine
In Perrelos, the average sunshine in September is 8.5h.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 7 transforms into the following advice:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Perrelos, Philippines
- Average high temperature in September: 29.8°C
The warmest month (with the highest average high temperature) is May (30.8°C).
The month with the lowest average high temperature is January (27.8°C).
- Average low temperature in September: 25.3°C
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is February (24.3°C).
Average pressure in September
Perrelos, Philippines
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is February (1011.5mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in September
Perrelos, Philippines
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is January (16.8km/h).
The calmest months (with the lowest average wind speed) are May and June (8.2km/h).
Average humidity in September
Perrelos, Philippines
- Average humidity in September: 77%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Perrelos, Philippines
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is July (101mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in September
Perrelos, Philippines
- Average rainfall days in September: 22.5 days
The month with the highest number of rainy days is July (24.4 days).
The months with the least rainy days are February and March (15.3 days).
Average sea temperature in September
Perrelos, Philippines
- Average sea temperature in September: 29.1°C
The best month for swimming (with the highest average sea temperature) is June (29.6°C).
The coldest month (with the lowest average sea temperature) is February (26.7°C).
Average daylight in September /
Average sunshine in September
Perrelos, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Perrelos, Philippines
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is March (12.4 days).
The month with the least sunshine days is July (5.3 days).
Average UV index in September
Perrelos, Philippines
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Perrelos, Philippines
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is April (Cloud cover 29).
Average visibility in September
Perrelos, Philippines
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
