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
The onset of September notes an average high-temperature of a still moderately hot 29.5°C (85.1°F), subtly shifted from August's 29.6°C (85.3°F). During the month of September, Janiuay's nighttime temperature lowers to an average of 24.2°C (75.6°F).Heat index
During September, the heat index is calculated to be a torrid 36°C (96.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In Janiuay, Philippines, the average relative humidity in September is 81%.Rainfall
In Janiuay, Philippines, in September, it is raining for 21.2 days, with typically 69mm (2.72") of accumulated precipitation. Throughout the year, there are 212.1 rainfall days, and 792mm (31.18") of precipitation is accumulated.Daylight
In Janiuay, the average length of the day in September is 12h and 11min.On the first day of September, sunrise is at 5:40 am and sunset at 6:00 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 5:41 pm PST.
Sunshine
The average sunshine in September is 7.9h.UV index
The months with the highest UV index in Janiuay are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 7 during September translates into the following guidance:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
Is it hot in Janiuay during September?
What is the average humidity in September in Janiuay?
How many days does it rain in September in Janiuay?
How many hours of daylight does Janiuay have in September?
When is the sunrise / sunset in September in Janiuay?
How long on average sun shines in September in Janiuay?
When is the highest UV index in Janiuay?
What are the months with the lowest UV index in Janiuay?
What is the UV index reading in September in Janiuay?
Average temperature in September
Janiuay, Philippines
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is May (32.1°C).
The month with the lowest average high temperature is January (27.8°C).
- Average low temperature in September: 24.2°C
The months with the highest average low temperature are May and June (25.4°C).
The coldest month (with the lowest average low temperature) is February (22.9°C).
Average pressure in September
Janiuay, Philippines
- Average pressure in September: 1009mbar
The month with the highest atmospheric pressure is February (1011.6mbar).
The months with the lowest atmospheric pressure are July and August (1008.6mbar).
Average wind speed in September
Janiuay, Philippines
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is January (20.9km/h).
The calmest month (with the lowest average wind speed) is May (9.1km/h).
Average humidity in September
Janiuay, Philippines
- Average humidity in September: 81%
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Janiuay, Philippines
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is July (114mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Janiuay, Philippines
- Average rainfall days in September: 21.2 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (9.9 days).
Average daylight in September /
Average sunshine in September
Janiuay, Philippines
- Average daylight in September: 12h and 1min
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: 7h and 5min
The month with the most sunshine is April (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Janiuay, Philippines
- Average sunshine days in September: 6.5 days
The month with the most sunshine days is March (16.8 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in September
Janiuay, Philippines
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Janiuay, Philippines
- Average cloud cover in September: 43
The month with the most cloud cover is July (Cloud cover 50).
The month with the least cloud cover is April (Cloud cover 27).
Average visibility in September
Janiuay, 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).
Janiuay, Philippines
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