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
Rio Brilhante notes an average high-temperature of a hot 30.6°C (87.1°F) in September, hardly diverging from August. Marked by a significant drop from the daytime highs, Rio Brilhante's average low-temperature in September stands at a comfortable 18.1°C (64.6°F).Heat index
For most parts of September, the heat index is calculated to be a hot 34°C (93.2°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
September is the least humid month in Rio Brilhante, with an average relative humidity of 59%.Rainfall
September is the month with the least rainfall in Rio Brilhante. Rain falls for 9.2 days and accumulates 36mm (1.42") of precipitation.Daylight
The average length of the day in September in Rio Brilhante is 11h and 59min.On the first day of September, sunrise is at 05:47 and sunset at 17:28. On the last day of the month, sunrise is at 05:19 and sunset at 17:36 -04.
Sunshine
The average sunshine in September is 9h.UV index
January through April, July through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 during September translates into the following guidance:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Rio Brilhante in September?
What is the least humid month in Rio Brilhante?
What is the average humidity in September in Rio Brilhante?
What is the driest month in Rio Brilhante?
How much does it rain in Rio Brilhante in September?
How many hours of daylight does Rio Brilhante have in September?
When is the sunrise / sunset in September in Rio Brilhante?
How many hours of sunshine does Rio Brilhante have in September?
When is the highest UV index in Rio Brilhante?
How high is the UV index in September in Rio Brilhante?
Average temperature in September
Rio Brilhante, Brazil
- Average high temperature in September: 30.6°C
The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is June (23.5°C).
- Average low temperature in September: 18.1°C
The months with the highest average low temperature are January and December (21°C).
The coldest month (with the lowest average low temperature) is July (14°C).
Average pressure in September
Rio Brilhante, Brazil
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is July (1017.2mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in September
Rio Brilhante, Brazil
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is August (9.8km/h).
The calmest months (with the lowest average wind speed) are February and March (6.9km/h).
Average humidity in September
Rio Brilhante, Brazil
- Average humidity in September: 59%
The months with the highest relative humidity are February, March, May and June (84%).
The month with the lowest relative humidity is September (59%).
Average rainfall in September
Rio Brilhante, Brazil
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is February (158mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in September
Rio Brilhante, Brazil
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is January (25.8 days).
The month with the least rainy days is August (6.6 days).
Average daylight in September /
Average sunshine in September
Rio Brilhante, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is November (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 18min).
Average sunshine days in September
Rio Brilhante, Brazil
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is August (23.3 days).
The month with the least sunshine days is February (2.9 days).
Average UV index in September
Rio Brilhante, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are May and June (UV index 5).
Average cloud cover in September
Rio Brilhante, Brazil
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in September
Rio Brilhante, Brazil
- Average visibility in September: 10km
The month with the highest visibility is September (10km).
The months with the lowest visibility are January, February, March, May and June (7km).
Rio Brilhante, Brazil
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