September weather forecastDoña Imelda, Philippines
September
Weather in September
September, the first month of the autumn in Doña Imelda, is still a hot month, with temperature in the range of an average high of 30.5°C (86.9°F) and an average low of 24.8°C (76.6°F).Temperature
The beginning of September reveals an average high-temperature of a still hot 30.5°C (86.9°F), showing minimal deviation from the previous month. September nights are marked by an average temperature drop to a moderately hot 24.8°C (76.6°F).Heat index
The heat index value for September is estimated at an extremely hot 40°C (104°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.
Humidity
August and September, with an average relative humidity of 81%, are the most humid months in Doña Imelda.Rainfall
In Doña Imelda, during September, the rain falls for 21 days and regularly aggregates up to 128mm (5.04") of precipitation. In Doña Imelda, during the entire year, the rain falls for 185 days and collects up to 830mm (32.68") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 5:43 am and sunset at 6:07 pm. On the last day of September, sunrise is at 5:45 am and sunset at 5:46 pm PST.
Sunshine
In Doña Imelda, the average sunshine in September is 8.4h.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Doña Imelda, Philippines
- Average high temperature in September: 30.5°C
The warmest month (with the highest average high temperature) is May (33.4°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in September: 24.8°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.9°C).
Average pressure in September
Doña Imelda, Philippines
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is February (1013.4mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in September
Doña Imelda, Philippines
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is January (11.4km/h).
The calmest month (with the lowest average wind speed) is May (7.5km/h).
Average humidity in September
Doña Imelda, Philippines
- Average humidity in September: 81%
The months with the highest relative humidity are August and September (81%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Doña Imelda, Philippines
- Average rainfall in September: 128mm
The wettest month (with the highest rainfall) is July (163mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Doña Imelda, Philippines
- Average rainfall days in September: 21 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (7 days).
Average daylight in September /
Average sunshine in September
Doña Imelda, 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 18min).
- 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 12min).
Average sunshine days in September
Doña Imelda, Philippines
- Average sunshine days in September: 7.8 days
The month with the most sunshine days is March (16.9 days).
The month with the least sunshine days is July (7 days).
Average UV index in September
Doña Imelda, 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
Doña Imelda, Philippines
- Average cloud cover in September: 44
The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is April (Cloud cover 25).
Average visibility in September
Doña Imelda, Philippines
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June and December (10km).
The months with the lowest visibility are January, July, August, September, October and November (9km).
