September weather forecastMansasa, Philippines
September
Weather in September
September, the first month of the autumn in Mansasa, is still a warm month, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 26.9°C (80.4°F).Temperature
The introduction of September sees an average high-temperature of a still warm 29.2°C (84.6°F), hardly deviating from August. In September, a low-temperature average of 26.9°C (80.4°F) is characteristic of Mansasa, marking a minor shift from daytime temperatures.Heat index
The average heat index in September is estimated at a hot 34°C (93.2°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In September, the average relative humidity in Mansasa is 76%.Rainfall
In Mansasa, during September, the rain falls for 22.5 days and regularly aggregates up to 99mm (3.9") of precipitation. Throughout the year, there are 247.9 rainfall days, and 978mm (38.5") of precipitation is accumulated.Daylight
In Mansasa, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 5:35 am and sunset at 5:53 pm. On the last day of September, in Mansasa, Philippines, sunrise is at 5:33 am and sunset at 5:35 pm PST.
Sunshine
In Mansasa, Philippines, the average sunshine in September is 8.6h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Mansasa are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mansasa, Philippines
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is May (30.1°C).
The month with the lowest average high temperature is January (27.9°C).
- Average low temperature in September: 26.9°C
The month with the highest average low temperature is May (27.5°C).
The coldest month (with the lowest average low temperature) is February (25.3°C).
Average pressure in September
Mansasa, Philippines
- Average pressure in September: 1009.2mbar
The month with the highest atmospheric pressure is February (1011.3mbar).
The months with the lowest atmospheric pressure are July and August (1008.9mbar).
Average wind speed in September
Mansasa, Philippines
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is January (20.2km/h).
The calmest month (with the lowest average wind speed) is June (10.3km/h).
Average humidity in September
Mansasa, Philippines
- Average humidity in September: 76%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is June (75%).
Average rainfall in September
Mansasa, Philippines
- Average rainfall in September: 99mm
The wettest months (with the highest rainfall) are July and October (122mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days in September
Mansasa, Philippines
- Average rainfall days in September: 22.5 days
The month with the highest number of rainy days is October (25.7 days).
The month with the least rainy days is February (14.1 days).
Average daylight in September /
Average sunshine in September
Mansasa, 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 36min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Mansasa, Philippines
- Average sunshine days in September: 6.4 days
The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is October (3.9 days).
Average UV index in September
Mansasa, 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
Mansasa, Philippines
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility in September
Mansasa, 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).





