September weather forecastCatanauan, Philippines
September
Weather in September
The first month of the autumn, September, is still a warm month in Catanauan, Philippines, with temperature in the range of an average low of 25.6°C (78.1°F) and an average high of 29.9°C (85.8°F).Temperature
September ushers in an average high-temperature of a warm 29.9°C (85.8°F), aligning closely with the preceding month. In Catanauan, September is characterized by an average low-temperature of 25.6°C (78.1°F), indicating a minor drop from daytime highs.Heat index
The heat index value for September is evaluated at a sweltering 38°C (100.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.
Humidity
In Catanauan, the average relative humidity in September is 81%.Rainfall
In Catanauan, Philippines, in September, during 26 rainfall days, 164mm (6.46") of precipitation is typically accumulated. In Catanauan, during the entire year, the rain falls for 284.6 days and collects up to 1414mm (55.67") of precipitation.Sea temperature
In Catanauan, Philippines, the average seawater temperature in September is 28.7°C (83.7°F).Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.
Daylight
In September, the average length of the day is 12h and 13min.On the first day of September in Catanauan, Philippines, sunrise is at 5:39 am and sunset at 6:02 pm. On the last day of the month, sunrise is at 5:40 am and sunset at 5:41 pm PST.
Sunshine
In Catanauan, Philippines, the average sunshine in September is 8.5h.UV index
February through October, with an average maximum UV index of 7, are months with the highest UV index in Catanauan. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 7 during September leads to these advisories:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Catanauan, Philippines
- Average high temperature in September: 29.9°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 (27.8°C).
- Average low temperature in September: 25.6°C
The month with the highest average low temperature is June (26.3°C).
The coldest month (with the lowest average low temperature) is February (23.5°C).
Average pressure in September
Catanauan, 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 (1007.7mbar).
Average wind speed in September
Catanauan, Philippines
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is January (15.5km/h).
The calmest month (with the lowest average wind speed) is May (7km/h).
Average humidity in September
Catanauan, Philippines
- Average humidity in September: 81%
The months with the highest relative humidity are November and December (82%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Catanauan, Philippines
- Average rainfall in September: 164mm
The wettest month (with the highest rainfall) is December (207mm).
The driest month (with the least rainfall) is April (53mm).
Average rainfall days in September
Catanauan, Philippines
- Average rainfall days in September: 26 days
The month with the highest number of rainy days is November (27.5 days).
The month with the least rainy days is February (16.6 days).
Average sea temperature in September
Catanauan, Philippines
- Average sea temperature in September: 28.7°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 (26.5°C).
Average daylight in September /
Average sunshine in September
Catanauan, Philippines
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 8h and 30min
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 54min).
Average sunshine days in September
Catanauan, Philippines
- Average sunshine days in September: 3 days
The month with the most sunshine days is August (7.6 days).
The month with the least sunshine days is November (0.9 days).
Average UV index in September
Catanauan, Philippines
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, November and December (UV index 6).
Average cloud cover in September
Catanauan, Philippines
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is May (Cloud cover 31).
Average visibility in September
Catanauan, 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).
