September weather forecastCalapandayan, Philippines
September
Weather in September
September, the first month of the autumn in Calapandayan, is still a warm month, with an average temperature ranging between min 25.3°C (77.5°F) and max 28.9°C (84°F).Temperature
The high temperature recorded during September, at a still warm 28.9°C (84°F), shows minimal deviation from August. Calapandayan maintains an average low-temperature of 25.3°C (77.5°F) throughout September's nights.Heat index
The heat index for September is appraised at a sweltering 35°C (95°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
The months with the highest humidity in Calapandayan are August and September, with an average relative humidity of 83%.Rainfall
In September, in Calapandayan, the rain falls for 27.1 days. Throughout September, 296mm (11.65") of precipitation is accumulated. Throughout the year, in Calapandayan, there are 237.5 rainfall days, and 1892mm (74.49") of precipitation is accumulated.Daylight
In Calapandayan, the average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 5:46 am and sunset at 6:11 pm. On the last day of September, sunrise is at 5:48 am and sunset at 5:49 pm PST.
Sunshine
In Calapandayan, the average sunshine in September is 8.3h.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 7 during September, leads to the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Calapandayan, Philippines
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is May (31.4°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in September: 25.3°C
The month with the highest average low temperature is May (26.4°C).
The coldest months (with the lowest average low temperature) are January and February (23°C).
Average pressure in September
Calapandayan, Philippines
- Average pressure in September: 1008.2mbar
The month with the highest atmospheric pressure is February (1013.1mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in September
Calapandayan, Philippines
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is January (13.4km/h).
The calmest month (with the lowest average wind speed) is May (8km/h).
Average humidity in September
Calapandayan, Philippines
- Average humidity in September: 83%
The months with the highest relative humidity are August and September (83%).
The months with the lowest relative humidity are March and April (73%).
Average rainfall in September
Calapandayan, Philippines
- Average rainfall in September: 296mm
The wettest month (with the highest rainfall) is August (424mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in September
Calapandayan, Philippines
- Average rainfall days in September: 27.1 days
The month with the highest number of rainy days is July (29.4 days).
The month with the least rainy days is February (8.9 days).
Average daylight in September /
Average sunshine in September
Calapandayan, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is April (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in September
Calapandayan, Philippines
- Average sunshine days in September: 2.2 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is July (1.5 days).
Average UV index in September
Calapandayan, Philippines
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Calapandayan, Philippines
- Average cloud cover in September: 46
The month with the most cloud cover is August (Cloud cover 53).
The months with the least cloud cover are February and March (Cloud cover 23).
Average visibility in September
Calapandayan, Philippines
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The months with the lowest visibility are June, July, August and September (9km).





