September weather forecastGranjeiro, Brazil
September
Weather in September
The first month of the spring, September, is also a hot month in Granjeiro, Brazil, with an average temperature ranging between max 32.2°C (90°F) and min 19.3°C (66.7°F).Temperature
Granjeiro's shift from August to September is accompanied by an average high-temperature of a still hot 32.2°C (90°F), a slight deviation from 30.4°C (86.7°F). The temperature in Granjeiro, Brazil, notes a substantial fall from the daily peak to an average of 19.3°C (66.7°F) during September nights.Heat index
September's average heat index is appraised at a torrid 35°C (95°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.
Humidity
In September, the average relative humidity in Granjeiro, Brazil, is 52%.Rainfall
The months with the least rainfall in Granjeiro, Brazil, are August and September Rain falls for 2.8 days and accumulates 2mm (0.08") of rain.Daylight
The average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:37 and sunset at 17:36. On the last day of the month, sunrise is at 05:21 and sunset at 17:31 -03.
Sunshine
With an average of 9.7h of sunshine, September has the most sunshine of the year.UV index
The months with the highest UV index in Granjeiro are September through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. 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
Granjeiro, Brazil
- Average high temperature in September: 32.2°C
The warmest months (with the highest average high temperature) are October and November (33.2°C).
The month with the lowest average high temperature is June (28.3°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is November (21.8°C).
The coldest months (with the lowest average low temperature) are July and August (17.7°C).
Average pressure in September
Granjeiro, Brazil
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is July (1015.6mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Granjeiro, Brazil
- Average wind speed in September: 16.5km/h
The windiest month (with the highest average wind speed) is July (18km/h).
The calmest month (with the lowest average wind speed) is March (9km/h).
Average humidity in September
Granjeiro, Brazil
- Average humidity in September: 52%
The month with the highest relative humidity is April (77%).
The months with the lowest relative humidity are October and November (51%).
Average rainfall in September
Granjeiro, Brazil
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is February (66mm).
The driest months (with the least rainfall) are August and September (2mm).
Average rainfall days in September
Granjeiro, Brazil
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is March (19.4 days).
The month with the least rainy days is August (2.2 days).
Average daylight in September /
Average sunshine in September
Granjeiro, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is March (Average sunshine: 7h and 18min).
Average sunshine days in September
Granjeiro, Brazil
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is August (25.4 days).
The month with the least sunshine days is March (10.2 days).
Average UV index in September
Granjeiro, Brazil
- Average UV index in September: 7
The months with the highest UV index are September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August and December (UV index 6).
Average cloud cover in September
Granjeiro, Brazil
- Average cloud cover in September: 19
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 19).
Average visibility in September
Granjeiro, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (8km).





