September weather forecastDumangas, Philippines
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dumangas, Philippines, with an average temperature varying between 24.9°C (76.8°F) and 29.3°C (84.7°F).Temperature
September is marked by an average high-temperature of a still warm 29.3°C (84.7°F), almost identical to the preceding month. Dumangas's nocturnal September readings average at a still moderately hot 24.9°C (76.8°F), showing little variation from the daytime temperatures.Heat index
In September, the average heat index is computed to be a sweltering 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing 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.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
The average relative humidity in September is 81%.Rainfall
In Dumangas, during September, the rain falls for 23.4 days and regularly aggregates up to 105mm (4.13") of precipitation. In Dumangas, during the entire year, the rain falls for 250 days and collects up to 1100mm (43.31") of precipitation.Sea temperature
In September, the average sea temperature is 28.9°C (84°F).Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.
Daylight
In Dumangas, the average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 5:39 am and sunset at 5:58 pm. On the last day of September, sunrise is at 5:37 am and sunset at 5:40 pm PST.
Sunshine
The average sunshine in September is 8.1h.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 are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dumangas, Philippines
- Average high temperature in September: 29.3°C
The warmest month (with the highest average high temperature) is May (31.6°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in September: 24.9°C
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is February (23.7°C).
Average pressure in September
Dumangas, Philippines
- Average pressure in September: 1009mbar
The month with the highest atmospheric pressure is February (1011.6mbar).
The months with the lowest atmospheric pressure are July and August (1008.6mbar).
Average wind speed in September
Dumangas, Philippines
- Average wind speed in September: 13.9km/h
The windiest month (with the highest average wind speed) is January (21.9km/h).
The calmest month (with the lowest average wind speed) is May (9.5km/h).
Average humidity in September
Dumangas, Philippines
- Average humidity in September: 81%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Dumangas, Philippines
- Average rainfall in September: 105mm
The wettest month (with the highest rainfall) is July (149mm).
The driest month (with the least rainfall) is March (35mm).
Average rainfall days in September
Dumangas, Philippines
- Average rainfall days in September: 23.4 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is February (13.8 days).
Average sea temperature in September
Dumangas, Philippines
- Average sea temperature in September: 28.9°C
The best month for swimming (with the highest average sea temperature) is June (29.9°C).
The coldest months (with the lowest average sea temperature) are January and February (26.9°C).
Average daylight in September /
Average sunshine in September
Dumangas, 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 30min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is May (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Dumangas, Philippines
- Average sunshine days in September: 6 days
The month with the most sunshine days is March (12.1 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in September
Dumangas, 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
Dumangas, Philippines
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in September
Dumangas, 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).
