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 advent of September observes an average high-temperature of a still warm 28.8°C (83.8°F), nearly identical to August's 26°C (78.8°F). A sharp divergence from daytime highs is noted during the month of September, with the average nighttime temperature settling at an enjoyable 16.6°C (61.9°F).Heat index
The heat index value for September is evaluated at a tropical 31°C (87.8°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
The least humid month is September, with an average relative humidity of 63%.Rainfall
In Santa Bárbara D'Oeste, Brazil, in September, during 9.3 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Santa Bárbara D'Oeste, Brazil, during the entire year, the rain falls for 178.2 days and collects up to 730mm (28.74") of precipitation.Daylight
In September, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 06:19 and sunset at 17:59. On the last day of September, sunrise is at 05:50 and sunset at 18:08 -03.
Sunshine
September has the most sunshine of the year, with an average of 9.3h of sunshine.UV index
The months with the highest UV index are January through March, August through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
How hot is September in Santa Bárbara D'Oeste?
What is the least humid month in Santa Bárbara D'Oeste?
What is the average humidity in September in Santa Bárbara D'Oeste?
How much does it rain in Santa Bárbara D'Oeste in September?
How many hours of daylight does Santa Bárbara D'Oeste have in September?
When is the sunrise / sunset in September in Santa Bárbara D'Oeste?
What month has the most sunshine in Santa Bárbara D'Oeste?
How many hours of sunshine does Santa Bárbara D'Oeste have in September?
What is the month with the highest UV index in Santa Bárbara D'Oeste?
What is the UV index intensity in September in Santa Bárbara D'Oeste?
Average temperature in September
Santa Bárbara D'Oeste, Brazil
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is June (22.8°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is January (19.6°C).
The coldest month (with the lowest average low temperature) is July (13.7°C).
Average pressure in September
Santa Bárbara D'Oeste, Brazil
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in September
Santa Bárbara D'Oeste, Brazil
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is October (10km/h).
The calmest months (with the lowest average wind speed) are February and April (7.3km/h).
Average humidity in September
Santa Bárbara D'Oeste, Brazil
- Average humidity in September: 63%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is September (63%).
Average rainfall in September
Santa Bárbara D'Oeste, Brazil
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is January (140mm).
The driest month (with the least rainfall) is August (19mm).
Average rainfall days in September
Santa Bárbara D'Oeste, Brazil
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is January (23.7 days).
The month with the least rainy days is August (5.6 days).
Average daylight in September /
Average sunshine in September
Santa Bárbara D'Oeste, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).
Average sunshine days in September
Santa Bárbara D'Oeste, Brazil
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is August (24.4 days).
The month with the least sunshine days is February (5.4 days).
Average UV index in September
Santa Bárbara D'Oeste, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 5).
Average cloud cover in September
Santa Bárbara D'Oeste, Brazil
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Santa Bárbara D'Oeste, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May and June (8km).
Santa Bárbara D'Oeste, Brazil
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