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
Ribeirão Bonito ushers in September with an average high-temperature of a still moderately hot 28.4°C (83.1°F), showing a close resemblance to the previous month. Contrasted against daytime highs, Ribeirão Bonito records an average nighttime low of 16.4°C (61.5°F) in September.Heat index
The heat index in September is appraised at a hot 31°C (87.8°F). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.The heat index's values are generally associated with conditions in shade and light 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 'feels like' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
August and September, with an average relative humidity of 64%, are the least humid months in Ribeirão Bonito.Rainfall
In September, in Ribeirão Bonito, Brazil, the rain falls for 11 days. Throughout September, 49mm (1.93") of precipitation is accumulated. Throughout the year, there are 225.9 rainfall days, and 1464mm (57.64") of precipitation is accumulated.Daylight
In Ribeirão Bonito, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:21 and sunset at 18:03. On the last day of September, in Ribeirão Bonito, sunrise is at 05:53 and sunset at 18:11 -03.
Sunshine
The month with the most sunshine is September, with an average of 9.2h of sunshine.UV index
January through July, September, November and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
Is it hot in Ribeirão Bonito during September?
What is the least humid month in Ribeirão Bonito?
What is the average humidity in September in Ribeirão Bonito?
How much does it rain in Ribeirão Bonito in September?
What is the average length of the day in September in Ribeirão Bonito?
What time are sunrise and sunset in September in Ribeirão Bonito?
What month has the most sunshine in Ribeirão Bonito?
How long on average sun shines in September in Ribeirão Bonito?
What is the month with the lowest UV index in Ribeirão Bonito?
How high is the UV index in September in Ribeirão Bonito?
Average temperature in September
Ribeirão Bonito, Brazil
- Average high temperature in September: 28.4°C
The warmest month (with the highest average high temperature) is October (28.8°C).
The month with the lowest average high temperature is June (22.6°C).
- Average low temperature in September: 16.4°C
The month with the highest average low temperature is December (19.5°C).
The coldest month (with the lowest average low temperature) is June (13.4°C).
Average pressure in September
Ribeirão Bonito, Brazil
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in September
Ribeirão Bonito, Brazil
- Average wind speed in September: 10.2km/h
The windiest months (with the highest average wind speed) are September and October (10.2km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Ribeirão Bonito, Brazil
- Average humidity in September: 64%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (64%).
Average rainfall in September
Ribeirão Bonito, Brazil
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is January (291mm).
The driest month (with the least rainfall) is July (22mm).
Average rainfall days in September
Ribeirão Bonito, Brazil
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is January (29.5 days).
The month with the least rainy days is August (5.7 days).
Average daylight in September /
Average sunshine in September
Ribeirão Bonito, 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 1min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Ribeirão Bonito, Brazil
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is August (24.3 days).
The month with the least sunshine days is February (0.6 days).
Average UV index in September
Ribeirão Bonito, Brazil
- Average UV index in September: 5
The months with the highest UV index are August and October (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, September, November and December (UV index 5).
Average cloud cover in September
Ribeirão Bonito, Brazil
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Ribeirão Bonito, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are March, April and May (7km).
Ribeirão Bonito, Brazil
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