September weather forecastSeverínia, Brazil
September
Weather in September
The first month of the spring, September, is a tropical month in Severínia, Brazil, with an average temperature fluctuating between 32.2°C (90°F) and 19.2°C (66.6°F).Temperature
The warmest temperatures occur during September, when averages reach a peak of 32.2°C (90°F) and a low of 19.2°C (66.6°F).Heat index
In September, the average heat index is computed to be a very hot 35°C (95°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.
Humidity
August and September, with an average relative humidity of 51%, are the least humid months in Severínia.Rainfall
In Severínia, Brazil, during September, the rain falls for 8.4 days and regularly aggregates up to 44mm (1.73") of precipitation. In Severínia, during the entire year, the rain falls for 210.1 days and collects up to 1237mm (48.7") of precipitation.Daylight
In Severínia, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:23 and sunset at 18:06. On the last day of September, sunrise is at 05:56 and sunset at 18:13 -03.
Sunshine
In Severínia, the average sunshine in September is 9.5h.UV index
The months with the highest UV index are January, March through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind 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
Severínia, Brazil
- Average high temperature in September: 32.2°C
The warmest month (with the highest average high temperature) is September (32.2°C).
The month with the lowest average high temperature is June (25.3°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is December (20.8°C).
The coldest month (with the lowest average low temperature) is June (15.6°C).
Average pressure in September
Severínia, Brazil
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is July (1018.2mbar).
The months with the lowest atmospheric pressure are November and December (1010.4mbar).
Average wind speed in September
Severínia, Brazil
- Average wind speed in September: 10.1km/h
The windiest months (with the highest average wind speed) are August and September (10.1km/h).
The calmest month (with the lowest average wind speed) is February (7km/h).
Average humidity in September
Severínia, Brazil
- Average humidity in September: 51%
The month with the highest relative humidity is March (87%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in September
Severínia, Brazil
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is January (214mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days in September
Severínia, Brazil
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is January (29.2 days).
The month with the least rainy days is August (3.7 days).
Average daylight in September /
Average sunshine in September
Severínia, 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 54min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Severínia, Brazil
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is August (26.7 days).
The month with the least sunshine days is December (1.5 days).
Average UV index in September
Severínia, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 6).
The month with the lowest UV index is February (UV index 5).
Average cloud cover in September
Severínia, Brazil
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Severínia, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January and March (7km).





