September weather forecastPrieto Diaz, Philippines
September
Weather in September
The first month of the autumn, September, is still a warm month in Prieto Diaz, Philippines, with an average temperature fluctuating between 29.3°C (84.7°F) and 26.4°C (79.5°F).Temperature
Prieto Diaz, Philippines, experiences a minor change to a still moderately hot 29.3°C (84.7°F) in average high-temperature during September, closely reflecting August. Throughout September, Prieto Diaz reports a steady low-temperature average of 26.4°C (79.5°F), slightly lower than its daytime counterpart.Heat index
During September, the heat index is calculated to be a very hot 35°C (95°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.In terms of the heat index, values are set with light wind and shade conditions in mind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In September, the average relative humidity is 79%.Rainfall
In Prieto Diaz, during September, the rain falls for 20.4 days and regularly aggregates up to 54mm (2.13") of precipitation. In Prieto Diaz, during the entire year, the rain falls for 268.7 days and collects up to 1062mm (41.81") of precipitation.Sea temperature
In September, the average sea temperature in Prieto Diaz is 29.3°C (84.7°F).Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is perceived as agreeably warm, making all water activities enjoyable without the risk of discomfort over lengthy durations.
Daylight
In September, the average length of the day is 12h and 12min.On the first day of the month, sunrise is at 5:32 am and sunset at 5:54 pm. On the last day of September, in Prieto Diaz, sunrise is at 5:32 am and sunset at 5:34 pm PST.
Sunshine
In September, the average sunshine in Prieto Diaz is 8h.UV index
The months with the highest UV index in Prieto Diaz are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 7 in September transforms into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Prieto Diaz, Philippines
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is May (30.3°C).
The month with the lowest average high temperature is January (26.6°C).
- Average low temperature in September: 26.4°C
The month with the highest average low temperature is June (27°C).
The coldest months (with the lowest average low temperature) are January and February (24.7°C).
Average pressure in September
Prieto Diaz, Philippines
- Average pressure in September: 1008.1mbar
The month with the highest atmospheric pressure is February (1012.7mbar).
The month with the lowest atmospheric pressure is August (1007.7mbar).
Average wind speed in September
Prieto Diaz, Philippines
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is January (23.1km/h).
The calmest month (with the lowest average wind speed) is May (12km/h).
Average humidity in September
Prieto Diaz, Philippines
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are May, June and August (78%).
Average rainfall in September
Prieto Diaz, Philippines
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in September
Prieto Diaz, Philippines
- Average rainfall days in September: 20.4 days
The months with the highest number of rainy days are November and December (27.2 days).
The month with the least rainy days is August (18.1 days).
Average sea temperature in September
Prieto Diaz, Philippines
- Average sea temperature in September: 29.3°C
The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).
Average daylight in September /
Average sunshine in September
Prieto Diaz, 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 24min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is May (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Prieto Diaz, Philippines
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is August (11.8 days).
The month with the least sunshine days is November (1.2 days).
Average UV index in September
Prieto Diaz, 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
Prieto Diaz, Philippines
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 32).
Average visibility in September
Prieto Diaz, 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).
