September weather forecastDapa, Philippines
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dapa, Philippines, with an average temperature ranging between min 26.9°C (80.4°F) and max 29.2°C (84.6°F).Temperature
September's arrival shows an average high-temperature of a still moderately hot 29.2°C (84.6°F), hardly different from the previous month. Dapa's nighttime temperature in September consistently rests at a still moderately hot 26.9°C (80.4°F).Heat index
The heat index for September is estimated at a hot 34°C (93.2°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The months with the lowest humidity are June, August and September, with an average relative humidity of 75%.Rainfall
In Dapa, Philippines, during September, the rain falls for 21.3 days and regularly aggregates up to 71mm (2.8") of precipitation. In Dapa, during the entire year, the rain falls for 257.2 days and collects up to 1339mm (52.72") of precipitation.Sea temperature
In Dapa, in September, the average water temperature is 29.4°C (84.9°F).Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.
Daylight
The average length of the day in September is 12h and 11min.On the first day of the month, sunrise is at 5:26 am and sunset at 5:44 pm. On the last day of September, in Dapa, sunrise is at 5:24 am and sunset at 5:27 pm PST.
Sunshine
In September, the average sunshine in Dapa is 8.6h.UV index
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. 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. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Heed this! UV intensity is much stronger when reflected off sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dapa, Philippines
- Average high temperature in September: 29.2°C
The warmest month (with the highest average high temperature) is May (29.9°C).
The month with the lowest average high temperature is February (27.3°C).
- Average low temperature in September: 26.9°C
The month with the highest average low temperature is May (27.2°C).
The coldest month (with the lowest average low temperature) is February (25.5°C).
Average pressure in September
Dapa, Philippines
- Average pressure in September: 1008.8mbar
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
Dapa, Philippines
- Average wind speed in September: 16km/h
The windiest month (with the highest average wind speed) is January (19.4km/h).
The calmest month (with the lowest average wind speed) is June (11.4km/h).
Average humidity in September
Dapa, Philippines
- Average humidity in September: 75%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are June, August and September (75%).
Average rainfall in September
Dapa, Philippines
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is January (268mm).
The driest month (with the least rainfall) is May (48mm).
Average rainfall days in September
Dapa, Philippines
- Average rainfall days in September: 21.3 days
The month with the highest number of rainy days is January (26.7 days).
The month with the least rainy days is May (16.4 days).
Average sea temperature in September
Dapa, Philippines
- Average sea temperature in September: 29.4°C
The best months for swimming (with the highest average sea temperature) are June and October (29.8°C).
The coldest month (with the lowest average sea temperature) is January (27.6°C).
Average daylight in September /
Average sunshine in September
Dapa, 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 July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Dapa, Philippines
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is May (11.9 days).
The month with the least sunshine days is January (2.5 days).
Average UV index in September
Dapa, Philippines
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 7).
The month with the lowest UV index is October (UV index 6).
Average cloud cover in September
Dapa, Philippines
- Average cloud cover in September: 37
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
Dapa, Philippines
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





