September weather forecast
Granjeiro, Brazil

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.