September weather forecastIsabang, Philippines
September
Weather in September
September, the first month of the autumn in Isabang, is also a moderately hot month, with an average temperature fluctuating between 24.1°C (75.4°F) and 29.5°C (85.1°F).Temperature
The weather during September records an average high-temperature of a still moderately hot 29.5°C (85.1°F), closely mirroring the preceding month. Isabang's average low-temperature for the month of September records at a still moderately hot 24.1°C (75.4°F).Heat index
For September, the heat index is calculated to be a torrid 37°C (98.6°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', blends air temperature and moisture content to represent the felt temperature to humans. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
July, September through December, with an average relative humidity of 85%, are the most humid months in Isabang.Rainfall
In September, the rain falls for 24.6 days. Throughout September, 133mm (5.24") of precipitation is accumulated. Throughout the year, in Isabang, there are 292.5 rainfall days, and 1308mm (51.5") of precipitation is accumulated.Daylight
In Isabang, the average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 5:42 am and sunset at 6:05 pm. On the last day of September, sunrise is at 5:43 am and sunset at 5:44 pm PST.
Sunshine
In Isabang, the average sunshine in September is 8.1h.UV index
March through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 7 during September translates into the following guidance:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Isabang, Philippines
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is May (31.1°C).
The month with the lowest average high temperature is January (26.6°C).
- Average low temperature in September: 24.1°C
The months with the highest average low temperature are May and June (25.1°C).
The coldest month (with the lowest average low temperature) is February (22.8°C).
Average pressure in September
Isabang, Philippines
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is February (1013.1mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).
Average wind speed in September
Isabang, Philippines
- Average wind speed in September: 7.6km/h
The windiest month (with the highest average wind speed) is January (14.4km/h).
The calmest month (with the lowest average wind speed) is June (6.8km/h).
Average humidity in September
Isabang, Philippines
- Average humidity in September: 85%
The months with the highest relative humidity are July, September, October, November and December (85%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Isabang, Philippines
- Average rainfall in September: 133mm
The wettest month (with the highest rainfall) is May (167mm).
The driest month (with the least rainfall) is March (41mm).
Average rainfall days in September
Isabang, Philippines
- Average rainfall days in September: 24.6 days
The month with the highest number of rainy days is December (28.5 days).
The month with the least rainy days is April (20.3 days).
Average daylight in September /
Average sunshine in September
Isabang, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Isabang, Philippines
- Average sunshine days in September: 3.9 days
The month with the most sunshine days is August (7.9 days).
The month with the least sunshine days is November (0.5 days).
Average UV index in September
Isabang, Philippines
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover in September
Isabang, Philippines
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility in September
Isabang, Philippines
- Average visibility in September: 9km
The months with the highest visibility are February, March, April and December (10km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (9km).
