September weather forecastLibmanan, Philippines
September
Weather in September
September, the first month of the autumn in Libmanan, is still a tropical month, with an average temperature ranging between min 25.1°C (77.2°F) and max 30°C (86°F).Temperature
The advent of September sees the average high-temperature at a still tropical 30°C (86°F), subtly shifted from August's 30.2°C (86.4°F). Libmanan registers a gentle descent to an average nighttime low of 25.1°C (77.2°F) in September from its daytime highs.Heat index
The heat index for September is appraised at a torrid 38°C (100.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.
Humidity
The average relative humidity in September in Libmanan is 82%.Rainfall
In September, in Libmanan, the rain falls for 24.2 days. Throughout September, 104mm (4.09") of precipitation is accumulated. In Libmanan, during the entire year, the rain falls for 231.6 days and collects up to 810mm (31.89") 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 5:36 am and sunset at 5:59 pm. On the last day of September, sunrise is at 5:37 am and sunset at 5:38 pm PST.
Sunshine
The average sunshine in September is 8h.UV index
The months with the highest UV index are February through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 7 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Libmanan, Philippines
- Average high temperature in September: 30°C
The warmest month (with the highest average high temperature) is May (31.9°C).
The month with the lowest average high temperature is January (27.2°C).
- Average low temperature in September: 25.1°C
The month with the highest average low temperature is June (25.9°C).
The coldest month (with the lowest average low temperature) is February (23.3°C).
Average pressure in September
Libmanan, Philippines
- Average pressure in September: 1008mbar
The month with the highest atmospheric pressure is February (1013.2mbar).
The month with the lowest atmospheric pressure is August (1007.5mbar).
Average wind speed in September
Libmanan, Philippines
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is January (14.9km/h).
The calmest month (with the lowest average wind speed) is May (6.5km/h).
Average humidity in September
Libmanan, Philippines
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in September
Libmanan, Philippines
- Average rainfall in September: 104mm
The wettest month (with the highest rainfall) is December (122mm).
The driest month (with the least rainfall) is February (21mm).
Average rainfall days in September
Libmanan, Philippines
- Average rainfall days in September: 24.2 days
The month with the highest number of rainy days is July (25.5 days).
The month with the least rainy days is April (12.3 days).
Average daylight in September /
Average sunshine in September
Libmanan, 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 0min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Libmanan, Philippines
- Average sunshine days in September: 4.2 days
The month with the most sunshine days is April (13.5 days).
The month with the least sunshine days is July (4 days).
Average UV index in September
Libmanan, Philippines
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in September
Libmanan, Philippines
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in September
Libmanan, 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).
