September weather forecastBarili, Philippines
September
Weather in September
September, the first month of the autumn in Barili, is also a moderately hot month, with an average temperature fluctuating between 29.9°C (85.8°F) and 25.1°C (77.2°F).Temperature
The unfolding of September shows an average high-temperature of a warm 29.9°C (85.8°F), indicating a slight variance from August's 30.2°C (86.4°F). Nighttime temperature reflects an average dip to 25.1°C (77.2°F) in September, subtly cooler than its daytime highs.Heat index
During September, the heat index is calculated to be a very hot 37°C (98.6°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Note that heat index values are valued for light wind and location in the shade. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
In Barili, the average relative humidity in September is 77%.Rainfall
In Barili, in September, during 18.5 rainfall days, 68mm (2.68") of precipitation is typically accumulated. In Barili, during the entire year, the rain falls for 242 days and collects up to 945mm (37.2") of precipitation.Daylight
The average length of the day in September in Barili is 12h and 11min.On the first day of the month, sunrise is at 5:36 am and sunset at 5:55 pm. On the last day of September, in Barili, sunrise is at 5:34 am and sunset at 5:37 pm PST.
Sunshine
In Barili, 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 reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 7 in September leads to these guidelines:
Shun overexposure. Protection from sun ravages is indispensable. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barili, Philippines
- Average high temperature in September: 29.9°C
The warmest month (with the highest average high temperature) is May (30.9°C).
The month with the lowest average high temperature is January (27.8°C).
- Average low temperature in September: 25.1°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 (23.9°C).
Average pressure in September
Barili, Philippines
- Average pressure in September: 1009.1mbar
The month with the highest atmospheric pressure is February (1011.4mbar).
The months with the lowest atmospheric pressure are July and August (1008.8mbar).
Average wind speed in September
Barili, Philippines
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest months (with the lowest average wind speed) are May and June (8.1km/h).
Average humidity in September
Barili, 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
Barili, Philippines
- Average rainfall in September: 68mm
The wettest month (with the highest rainfall) is December (120mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in September
Barili, Philippines
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is January (24.1 days).
The month with the least rainy days is April (16.3 days).
Average daylight in September /
Average sunshine in September
Barili, 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: 5h and 6min).
Average sunshine days in September
Barili, Philippines
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is August (11.4 days).
The month with the least sunshine days is November (3.5 days).
Average UV index in September
Barili, 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
Barili, Philippines
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is April (Cloud cover 30).
Average visibility in September
Barili, 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).





