September weather forecastAliwanay, Philippines
September
Weather in September
September, the first month of the autumn in Aliwanay, is also a moderately hot month, with an average temperature fluctuating between 29.5°C (85.1°F) and 25.6°C (78.1°F).Temperature
September's climate shows a minor adjustment in average high-temperatures to a warm 29.5°C (85.1°F) from August's 30°C (86°F). Aliwanay experiences a subtle drop in temperature during the September nights, recording an average of 25.6°C (78.1°F).Heat index
The heat index in September is appraised at a very hot 35°C (95°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', quantifies the warmth felt when relative humidity is considered. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
The average relative humidity in September in Aliwanay, Philippines, is 77%.Rainfall
In Aliwanay, in September, during 16.5 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, there are 237.9 rainfall days, and 1025mm (40.35") of precipitation is accumulated.Daylight
The average length of the day in September in Aliwanay is 12h and 11min.On the first day of September in Aliwanay, 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 Aliwanay, the average sunshine in September is 8.4h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Aliwanay. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aliwanay, Philippines
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is May (30.4°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in September: 25.6°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 (24.1°C).
Average pressure in September
Aliwanay, Philippines
- Average pressure in September: 1008.9mbar
The month with the highest atmospheric pressure is February (1011.6mbar).
The months with the lowest atmospheric pressure are July and August (1008.6mbar).
Average wind speed in September
Aliwanay, Philippines
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is January (15.6km/h).
The calmest month (with the lowest average wind speed) is May (7.7km/h).
Average humidity in September
Aliwanay, Philippines
- Average humidity in September: 77%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are May and June (76%).
Average rainfall in September
Aliwanay, Philippines
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is November (163mm).
The driest month (with the least rainfall) is April (41mm).
Average rainfall days in September
Aliwanay, Philippines
- Average rainfall days in September: 16.5 days
The months with the highest number of rainy days are January and December (23.9 days).
The month with the least rainy days is April (16.3 days).
Average daylight in September /
Average sunshine in September
Aliwanay, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Aliwanay, Philippines
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is August (12.8 days).
The month with the least sunshine days is January (3.7 days).
Average UV index in September
Aliwanay, Philippines
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Aliwanay, Philippines
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are April and May (Cloud cover 30).
Average visibility in September
Aliwanay, 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).
