September weather forecastCongonhinhas, Brazil
September
Weather in September
The first month of the spring, September, is still a warm month in Congonhinhas, Brazil, with temperature in the range of an average low of 16.2°C (61.2°F) and an average high of 28.9°C (84°F).Temperature
September ushers in an average high-temperature of a still warm 28.9°C (84°F), aligning closely with the preceding month. Congonhinhas experiences a significant downturn from peak daytime temperatures throughout September, with the average low-temperature dipping to a refreshing 16.2°C (61.2°F).Heat index
September's average heat index is calculated to be a tropical 31°C (87.8°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The least humid month in Congonhinhas is September, with an average relative humidity of 64%.Rainfall
In Congonhinhas, in September, during 10.2 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 202.5 rainfall days, and 1195mm (47.05") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:32 and sunset at 18:11. On the last day of the month, sunrise is at 06:02 and sunset at 18:21 -03.
Sunshine
The average sunshine in September in Congonhinhas is 9h.UV index
The months with the highest UV index are January through March, August through November, 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: In September, the maximum UV index of 6 transforms into these recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Congonhinhas, Brazil
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (22.5°C).
- Average low temperature in September: 16.2°C
The months with the highest average low temperature are February and December (19.5°C).
The coldest months (with the lowest average low temperature) are June and July (13.3°C).
Average pressure in September
Congonhinhas, Brazil
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in September
Congonhinhas, Brazil
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is September (10.9km/h).
The calmest month (with the lowest average wind speed) is February (8.1km/h).
Average humidity in September
Congonhinhas, Brazil
- Average humidity in September: 64%
The months with the highest relative humidity are January, February and June (86%).
The month with the lowest relative humidity is September (64%).
Average rainfall in September
Congonhinhas, Brazil
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is January (197mm).
The driest month (with the least rainfall) is August (40mm).
Average rainfall days in September
Congonhinhas, Brazil
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is January (27 days).
The month with the least rainy days is August (7.1 days).
Average daylight in September /
Average sunshine in September
Congonhinhas, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in September
Congonhinhas, Brazil
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is February (2.7 days).
Average UV index in September
Congonhinhas, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October and November (UV index 6).
The months with the lowest UV index are April, May, June, July and December (UV index 5).
Average cloud cover in September
Congonhinhas, Brazil
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Congonhinhas, Brazil
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (7km).
