September weather forecastKalbay, Philippines
September
Weather in September
September, the first month of the autumn in Kalbay, is also a moderately hot month, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 27.5°C (81.5°F).Temperature
With the advent of September, Kalbay experiences an average high-temperature of a still moderately hot 27.5°C (81.5°F), mirroring a close resemblance to the previous month. With a barely noticeable fluctuation in temperature, Kalbay reaches an average low of 23.5°C (74.3°F) during the September nights.Heat index
September's average heat index is estimated at a tropical 31°C (87.8°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.Heat index data is primarily for areas with shade and subjected to light winds. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in September is 82%.Rainfall
In Kalbay, in September, it is raining for 26.2 days, with typically 179mm (7.05") of accumulated precipitation. Throughout the year, there are 327.6 rainfall days, and 2372mm (93.39") of precipitation is accumulated.Sea temperature
In September, the average sea temperature is 29.1°C (84.4°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
In Kalbay, the average length of the day in September is 12h and 9min.On the first day of the month, sunrise is at 5:31 am and sunset at 5:44 pm. On the last day of September, sunrise is at 5:25 am and sunset at 5:30 pm PST.
Sunshine
The average sunshine in September is 8.2h.UV index
The months with the lowest UV index are January through March, May through October and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 6 turns into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely. Stay alert! Reflective properties of sand and water amplify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kalbay, Philippines
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is April (28.2°C).
The month with the lowest average high temperature is January (27.1°C).
- Average low temperature in September: 23.5°C
The month with the highest average low temperature is May (24.4°C).
The coldest month (with the lowest average low temperature) is March (23.1°C).
Average pressure in September
Kalbay, Philippines
- Average pressure in September: 1009.8mbar
The month with the highest atmospheric pressure is February (1010.4mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in September
Kalbay, Philippines
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is June (7.8km/h).
Average humidity in September
Kalbay, Philippines
- Average humidity in September: 82%
The month with the highest relative humidity is June (84%).
The months with the lowest relative humidity are February, March and October (81%).
Average rainfall in September
Kalbay, Philippines
- Average rainfall in September: 179mm
The wettest month (with the highest rainfall) is May (310mm).
The driest month (with the least rainfall) is February (99mm).
Average rainfall days in September
Kalbay, Philippines
- Average rainfall days in September: 26.2 days
The month with the highest number of rainy days is July (29.6 days).
The month with the least rainy days is February (22.2 days).
Average sea temperature in September
Kalbay, Philippines
- Average sea temperature in September: 29.1°C
The best month for swimming (with the highest average sea temperature) is October (29.7°C).
The coldest month (with the lowest average sea temperature) is February (28.3°C).
Average daylight in September /
Average sunshine in September
Kalbay, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are March and October (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 7h and 12min).
Average sunshine days in September
Kalbay, Philippines
- Average sunshine days in September: 2.9 days
The month with the most sunshine days is February (3.9 days).
The month with the least sunshine days is May (0.5 days).
Average UV index in September
Kalbay, Philippines
- Average UV index in September: 6
The months with the highest UV index are April and November (UV index 7).
The months with the lowest UV index are January, February, March, May, June, July, August, September, October and December (UV index 6).
Average cloud cover in September
Kalbay, Philippines
- Average cloud cover in September: 44
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is February (Cloud cover 40).
Average visibility in September
Kalbay, Philippines
- Average visibility in September: 9km
The months with the highest visibility are February, March and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (9km).





