September weather forecast
Calçoene, Brazil

September, the first month of the autumn in Calçoene, is still a hot month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 33.7°C (92.7°F).

Temperature

As Calçoene welcomes September, the average high-temperature is noted at a still hot 33.7°C (92.7°F), closely aligning with the preceding month. An average low-temperature of 21.8°C (71.2°F) is recorded during the nights in September.

Heat index

September's heat index is estimated at a burning hot 49°C (120.2°F). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. 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 'real feel' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

The average relative humidity in September in Calçoene is 76%.

Rainfall

The month with the least rainfall in Calçoene is September, when the rain falls for 12.5 days and typically collects 21mm (0.83") of precipitation.

Daylight

In Calçoene, the average length of the day in September is 12h and 8min.
On the first day of September, sunrise is at 06:18 and sunset at 18:28. On the last day of the month, sunrise is at 06:10 and sunset at 18:16 -03.

Sunshine

September has the most sunshine of the year, with an average of 8.8h of sunshine.

UV index

The months with the highest UV index are August through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.