September weather forecastAlua, Philippines
September
Weather in September
The first month of the autumn, September, is also a hot month in Alua, Philippines, with an average temperature varying between 30.5°C (86.9°F) and 23°C (73.4°F).Temperature
Transitioning from August to September, Alua observes an average high-temperature of a still tropical 30.5°C (86.9°F), differing subtly from the previous month. Alua's nighttime temperature in September drops to an average of 23°C (73.4°F).Heat index
September's average heat index is estimated at a scorching 41°C (105.8°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
The months with the highest humidity are August and September, with an average relative humidity of 86%.Rainfall
In Alua, in September, it is raining for 26.8 days, with typically 228mm (8.98") of accumulated precipitation. In Alua, Philippines, during the entire year, the rain falls for 223 days and collects up to 1321mm (52.01") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 5:43 am and sunset at 6:08 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 5:46 pm PST.
Sunshine
The average sunshine in September in Alua is 8.4h.UV index
February through June, August through November, 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 radiation for the ordinary person.Note: The UV index of 7 in September translates into these instructions:
Shun overexposure. Protection from sun ravages is indispensable. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alua, Philippines
- Average high temperature in September: 30.5°C
The warmest months (with the highest average high temperature) are April and May (34.3°C).
The month with the lowest average high temperature is January (29°C).
- Average low temperature in September: 23°C
The month with the highest average low temperature is May (24.5°C).
The coldest months (with the lowest average low temperature) are January and February (20.8°C).
Average pressure in September
Alua, 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 (1007.6mbar).
Average wind speed in September
Alua, Philippines
- Average wind speed in September: 5.3km/h
The windiest month (with the highest average wind speed) is February (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.3km/h).
Average humidity in September
Alua, 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
Alua, Philippines
- Average rainfall in September: 228mm
The wettest month (with the highest rainfall) is August (255mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in September
Alua, Philippines
- Average rainfall days in September: 26.8 days
The month with the highest number of rainy days is July (29.3 days).
The month with the least rainy days is February (7.7 days).
Average daylight in September /
Average sunshine in September
Alua, 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 24min
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 54min).
Average sunshine days in September
Alua, Philippines
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is March (17.7 days).
The month with the least sunshine days is July (1.4 days).
Average UV index in September
Alua, Philippines
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, August, September, October and November (UV index 7).
The months with the lowest UV index are January, July and December (UV index 6).
Average cloud cover in September
Alua, Philippines
- Average cloud cover in September: 51
The month with the most cloud cover is August (Cloud cover 56).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility in September
Alua, 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).
