September weather forecastDay-as, Philippines
September
Weather in September
September, the first month of the autumn in Day-as, is still a warm month, with an average temperature fluctuating between 25.5°C (77.9°F) and 29.6°C (85.3°F).Temperature
A minor adjustment in Day-as's average high-temperature is noted with the start of September, touching a still moderately hot 29.6°C (85.3°F) from August's 29.9°C (85.8°F). Day-as, in September, registers a nighttime average temperature of 25.5°C (77.9°F).Heat index
The heat index value during September is computed to be a torrid 36°C (96.8°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
The average relative humidity in September is 77%.Rainfall
In Day-as, in September, it is raining for 20 days, with typically 50mm (1.97") of accumulated precipitation. Throughout the year, there are 248.5 rainfall days, and 824mm (32.44") of precipitation is accumulated.Daylight
In Day-as, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 5:34 am and sunset at 5:53 pm. On the last day of September, sunrise is at 5:33 am and sunset at 5:35 pm PST.
Sunshine
In Day-as, the average sunshine in September is 8.3h.UV index
The months with the highest UV index in Day-as are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Day-as. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun 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
Day-as, Philippines
- Average high temperature in September: 29.6°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 (27.7°C).
- Average low temperature in September: 25.5°C
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is February (24.3°C).
Average pressure in September
Day-as, Philippines
- Average pressure in September: 1009mbar
The month with the highest atmospheric pressure is February (1011.6mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).
Average wind speed in September
Day-as, Philippines
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest month (with the lowest average wind speed) is May (8.5km/h).
Average humidity in September
Day-as, 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 (76%).
Average rainfall in September
Day-as, Philippines
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is November (116mm).
The driest month (with the least rainfall) is April (34mm).
Average rainfall days in September
Day-as, Philippines
- Average rainfall days in September: 20 days
The month with the highest number of rainy days is January (23.8 days).
The month with the least rainy days is April (17.2 days).
Average daylight in September /
Average sunshine in September
Day-as, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Day-as, Philippines
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is August (9.9 days).
The month with the least sunshine days is November (4 days).
Average UV index in September
Day-as, 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
Day-as, Philippines
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is April (Cloud cover 30).
Average visibility in September
Day-as, 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).
