September weather forecastVicência, Brazil
September
Weather in September
September, the first month of the spring in Vicência, is still a warm month, with an average temperature fluctuating between 20.7°C (69.3°F) and 28.1°C (82.6°F).Temperature
Upon the onset of September, Vicência witnesses an average high-temperature of a still warm 28.1°C (82.6°F), showing a close resemblance to the prior month. Vicência's temperature in September lowers to a consistent average of 20.7°C (69.3°F) during the nights.Heat index
September's mean heat index is calculated to be a tropical 32°C (89.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The average relative humidity in September is 79%.Rainfall
In Vicência, during September, the rain falls for 8.2 days and regularly aggregates up to 8mm (0.31") of precipitation. Throughout the year, in Vicência, there are 147 rainfall days, and 188mm (7.4") of precipitation is accumulated.Daylight
The average length of the day in September in Vicência is 12h and 4min.On the first day of September, sunrise is at 05:21 and sunset at 17:20. On the last day of the month, sunrise is at 05:05 and sunset at 17:16 -03.
Sunshine
In September, the average sunshine in Vicência is 7.4h.UV index
April through September, with an average maximum UV index of 6, are months with the lowest UV index in Vicência. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Deflect overexposure. Sun protection is a necessity. 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. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vicência, Brazil
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is March (31.4°C).
The month with the lowest average high temperature is July (26.8°C).
- Average low temperature in September: 20.7°C
The month with the highest average low temperature is February (23.4°C).
The coldest month (with the lowest average low temperature) is August (20.1°C).
Average pressure in September
Vicência, Brazil
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is August (1016.3mbar).
The month with the lowest atmospheric pressure is February (1011.9mbar).
Average wind speed in September
Vicência, Brazil
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is September (12.4km/h).
The calmest month (with the lowest average wind speed) is April (9km/h).
Average humidity in September
Vicência, Brazil
- Average humidity in September: 79%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are November and December (73%).
Average rainfall in September
Vicência, Brazil
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is June (27mm).
The driest month (with the least rainfall) is November (5mm).
Average rainfall days in September
Vicência, Brazil
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.2 days).
Average daylight in September /
Average sunshine in September
Vicência, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is March (Average sunshine: 7h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).
Average sunshine days in September
Vicência, Brazil
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (7.5 days).
Average UV index in September
Vicência, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August and September (UV index 6).
Average cloud cover in September
Vicência, Brazil
- Average cloud cover in September: 47
The month with the most cloud cover is July (Cloud cover 57).
The month with the least cloud cover is November (Cloud cover 43).
Average visibility in September
Vicência, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, October, November and December (10km).
The months with the lowest visibility are April, May, June, July and August (8km).





