September weather forecastAjuy, Philippines
September
Weather in September
The first month of the autumn, September, is still a warm month in Ajuy, Philippines, with an average temperature fluctuating between 29.4°C (84.9°F) and 26°C (78.8°F).Temperature
In September, Ajuy experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 29.5°C (85.1°F) in August to a still warm 29.4°C (84.9°F). September in Ajuy sees a slight dip to an average low temperature of 26°C (78.8°F) from the daytime highs.Heat index
Throughout September, the heat index is calculated to be a fiery hot 36°C (96.8°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. 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 'felt air temperature' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 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.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
The average relative humidity in September is 79%.Rainfall
In Ajuy, during September, the rain falls for 23 days and regularly aggregates up to 141mm (5.55") of precipitation. Throughout the year, there are 291.8 rainfall days, and 1899mm (74.76") of precipitation is accumulated.Sea temperature
In Ajuy, in September, the average water temperature is 28.9°C (84°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
The average length of the day in September in Ajuy is 12h and 11min.On the first day of the month, sunrise is at 5:37 am and sunset at 5:57 pm. On the last day of September, in Ajuy, sunrise is at 5:36 am and sunset at 5:39 pm PST.
Sunshine
In September, the average sunshine in Ajuy is 8.3h.UV index
January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Ajuy. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 7 in September transforms into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Caution! The reflection of sand and water significantly amplifies the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ajuy, Philippines
- Average high temperature in September: 29.4°C
The warmest month (with the highest average high temperature) is May (30.8°C).
The month with the lowest average high temperature is January (27.3°C).
- Average low temperature in September: 26°C
The month with the highest average low temperature is May (27.1°C).
The coldest month (with the lowest average low temperature) is February (24.8°C).
Average pressure in September
Ajuy, Philippines
- Average pressure in September: 1008.8mbar
The month with the highest atmospheric pressure is February (1011.8mbar).
The months with the lowest atmospheric pressure are July and August (1008.5mbar).
Average wind speed in September
Ajuy, Philippines
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is January (22.2km/h).
The calmest month (with the lowest average wind speed) is May (10.5km/h).
Average humidity in September
Ajuy, Philippines
- Average humidity in September: 79%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Ajuy, Philippines
- Average rainfall in September: 141mm
The wettest month (with the highest rainfall) is November (280mm).
The driest month (with the least rainfall) is April (63mm).
Average rainfall days in September
Ajuy, Philippines
- Average rainfall days in September: 23 days
The months with the highest number of rainy days are January and November (28.1 days).
The month with the least rainy days is April (19.9 days).
Average sea temperature in September
Ajuy, Philippines
- Average sea temperature in September: 28.9°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 (26.6°C).
Average daylight in September /
Average sunshine in September
Ajuy, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Ajuy, Philippines
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is August (8.7 days).
The month with the least sunshine days is November (0.3 days).
Average UV index in September
Ajuy, 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
Ajuy, Philippines
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are April and May (Cloud cover 31).
Average visibility in September
Ajuy, Philippines
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, August, September and December (10km).
The months with the lowest visibility are January, July, October and November (9km).





