September weather forecastCoivaras, Brazil
September
Weather in September
September, the first month of the spring in Coivaras, is still a very hot month, with an average temperature ranging between min 23.5°C (74.3°F) and max 36.6°C (97.9°F).Temperature
The warmest period is September, when temperatures fluctuate between an average high of 36.6°C (97.9°F) and a low of 23.5°C (74.3°F).Heat index
For most parts of September, the heat index is estimated at a blistering 43°C (109.4°F). Precaution: Heat cramps along with heat exhaustion are possible. Heatstroke is a serious risk with continued exertion.Heat index specifics point out values are for conditions of shade and a slight breeze. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.
Humidity
With an average relative humidity of 46%, September is the least humid month in Coivaras.Rainfall
September is the month with the least rainfall. Rain falls for 7.1 days and accumulates 10mm (0.39") of precipitation.Daylight
In Coivaras, the average length of the day in September is 12h and 5min.On the first day of September in Coivaras, Brazil, sunrise is at 05:48 and sunset at 17:49. On the last day of the month, sunrise is at 05:34 and sunset at 17:43 -03.
Sunshine
September has the most sunshine of the year, with an average of 9.6h of sunshine.UV index
The month with the highest UV index in Coivaras, Brazil, is September, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 8 in September leads to these guidelines:
Being unprotected puts skin and eyes at risk of rapid damage. Always be safe. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. 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
Average temperature in September
Coivaras, Brazil
- Average high temperature in September: 36.6°C
The warmest month (with the highest average high temperature) is September (36.6°C).
The month with the lowest average high temperature is April (31.4°C).
- Average low temperature in September: 23.5°C
The months with the highest average low temperature are October and November (24.5°C).
The coldest months (with the lowest average low temperature) are June, July and August (22.3°C).
Average pressure in September
Coivaras, Brazil
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Coivaras, Brazil
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is September (11.1km/h).
The calmest month (with the lowest average wind speed) is April (7.5km/h).
Average humidity in September
Coivaras, Brazil
- Average humidity in September: 46%
The months with the highest relative humidity are March and April (81%).
The month with the lowest relative humidity is September (46%).
Average rainfall in September
Coivaras, Brazil
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is March (315mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Coivaras, Brazil
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is March (29.3 days).
The month with the least rainy days is August (6.6 days).
Average daylight in September /
Average sunshine in September
Coivaras, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 30min).
Average sunshine days in September
Coivaras, Brazil
- Average sunshine days in September: 21 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is March (1.2 days).
Average UV index in September
Coivaras, Brazil
- Average UV index in September: 8
The month with the highest UV index is September (UV index 8).
The month with the lowest UV index is February (UV index 6).
Average cloud cover in September
Coivaras, Brazil
- Average cloud cover in September: 25
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Coivaras, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are February, March and April (8km).





