September weather forecastBallesteros, Philippines
September
Weather in September
The first month of the autumn, September, is still a warm month in Ballesteros, Philippines, with temperature in the range of an average high of 29.9°C (85.8°F) and an average low of 25.5°C (77.9°F).Temperature
The advent of September presents an average high-temperature of a warm 29.9°C (85.8°F), maintaining a close correlation with the preceding month. Recording a slight decline in temperature during the nights, Ballesteros's September temperatures average at 25.5°C (77.9°F).Heat index
September's mean heat index is estimated at a sweltering 38°C (100.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 relevant to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in September is 81%.Rainfall
In September, the rain falls for 24.9 days. Throughout September, 182mm (7.17") of precipitation is accumulated. Throughout the year, there are 284.5 rainfall days, and 1949mm (76.73") of precipitation is accumulated.Sea temperature
In Ballesteros, in September, the average water temperature is 29.3°C (84.7°F).Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.
Daylight
In Ballesteros, the average length of the day in September is 12h and 15min.On the first day of the month, sunrise is at 5:39 am and sunset at 6:08 pm. On the last day of September, sunrise is at 5:44 am and sunset at 5:43 pm PST.
Sunshine
The average sunshine in September is 9.3h.UV index
The months with the highest UV index are March through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 suggests these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Stay cautious! Sand and water reflections increase UV radiation potency.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ballesteros, Philippines
- Average high temperature in September: 29.9°C
The warmest month (with the highest average high temperature) is June (31.5°C).
The month with the lowest average high temperature is January (24.8°C).
- Average low temperature in September: 25.5°C
The month with the highest average low temperature is June (26°C).
The coldest month (with the lowest average low temperature) is January (21.5°C).
Average pressure in September
Ballesteros, Philippines
- Average pressure in September: 1007.9mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is August (1006.5mbar).
Average wind speed in September
Ballesteros, Philippines
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is June (9.1km/h).
Average humidity in September
Ballesteros, Philippines
- Average humidity in September: 81%
The month with the highest relative humidity is December (86%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in September
Ballesteros, Philippines
- Average rainfall in September: 182mm
The wettest month (with the highest rainfall) is October (269mm).
The driest month (with the least rainfall) is March (57mm).
Average rainfall days in September
Ballesteros, Philippines
- Average rainfall days in September: 24.9 days
The month with the highest number of rainy days is August (27.1 days).
The month with the least rainy days is March (18.8 days).
Average sea temperature in September
Ballesteros, Philippines
- Average sea temperature in September: 29.3°C
The best month for swimming (with the highest average sea temperature) is June (29.6°C).
The coldest months (with the lowest average sea temperature) are January and February (25.9°C).
Average daylight in September /
Average sunshine in September
Ballesteros, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Ballesteros, Philippines
- Average sunshine days in September: 2.9 days
The month with the most sunshine days is March (9.7 days).
The month with the least sunshine days is August (1.7 days).
Average UV index in September
Ballesteros, 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 month with the lowest UV index is January (UV index 5).
Average cloud cover in September
Ballesteros, Philippines
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are May and June (Cloud cover 29).
Average visibility in September
Ballesteros, Philippines
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June and July (10km).
The months with the lowest visibility are August, September, October, November and December (9km).
