Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
August's transformation into September witnesses an average high-temperature of a moderately hot 29.9°C (85.8°F), noting a minor change from the preceding month. Nights in September exhibit a minor reduction to an average low temperature of 25.5°C (77.9°F).Heat index
For September, the heat index is calculated to be a fiery hot 38°C (100.4°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Elevated relative humidity diminishes evaporation, thereby reducing the body's ability to shed heat and creating a feeling of being too warm. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
In Santa Marcela, Philippines, the average relative humidity in September is 81%.Rainfall
In Santa Marcela, during September, the rain falls for 24.9 days and regularly aggregates up to 182mm (7.17") of precipitation. Throughout the year, in Santa Marcela, Philippines, there are 284.5 rainfall days, and 1949mm (76.73") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 5:39 am and sunset at 6:08 pm. On the last day of September, in Santa Marcela, sunrise is at 5:44 am and sunset at 5:43 pm PST.
Sunshine
In Santa Marcela, the average sunshine in September is 9.3h.UV index
The months with the highest UV index are March through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 7 during September translates into the following guidance:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
Is it hot in Santa Marcela during September?
What is the average humidity in September in Santa Marcela?
How many days does it rain in September in Santa Marcela?
What is the average length of the day in September in Santa Marcela?
When is the sunrise / sunset in September in Santa Marcela?
How long on average sun shines in September in Santa Marcela?
When is the highest UV index in Santa Marcela?
What is the UV index reading in September in Santa Marcela?
Average temperature in September
Santa Marcela, Philippines
- Average high temperature in September: 29.9°C
The warmest month (with the highest average high temperature) is June (31.5°C).
The month with the lowest average high temperature is January (24.8°C).
- Average low temperature in September: 25.5°C
The month with the highest average low temperature is June (26°C).
The coldest month (with the lowest average low temperature) is January (21.5°C).
Average pressure in September
Santa Marcela, Philippines
- Average pressure in September: 1007.9mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is August (1006.5mbar).
Average wind speed in September
Santa Marcela, Philippines
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is June (9.1km/h).
Average humidity in September
Santa Marcela, Philippines
- Average humidity in September: 81%
The month with the highest relative humidity is December (86%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in September
Santa Marcela, Philippines
- Average rainfall in September: 182mm
The wettest month (with the highest rainfall) is October (269mm).
The driest month (with the least rainfall) is March (57mm).
Average rainfall days in September
Santa Marcela, Philippines
- Average rainfall days in September: 24.9 days
The month with the highest number of rainy days is August (27.1 days).
The month with the least rainy days is March (18.8 days).
Average daylight in September /
Average sunshine in September
Santa Marcela, Philippines
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Santa Marcela, Philippines
- Average sunshine days in September: 2.9 days
The month with the most sunshine days is March (9.7 days).
The month with the least sunshine days is August (1.7 days).
Average UV index in September
Santa Marcela, Philippines
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in September
Santa Marcela, Philippines
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are May and June (Cloud cover 29).
Average visibility in September
Santa Marcela, Philippines
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June and July (10km).
The months with the lowest visibility are August, September, October, November and December (9km).
Santa Marcela, Philippines
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