September weather forecastErerê, Brazil

Weather in September

The first month of the spring, September, is a very hot month in Ererê, Brazil, with temperature in the range of an average high of 35.1°C (95.2°F) and an average low of 22.3°C (72.1°F).

Temperature

September denotes a minimal variation in the average high-temperature to a sweltering 35.1°C (95.2°F) from August's 33.7°C (92.7°F). With the onset of night in September, Ererê reveals a significant decrease in temperature, averaging at an agreeable 22.3°C (72.1°F).

Heat index

The average heat index in September is evaluated at a torrid 39°C (102.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives an indication of how one might feel in terms of heat after considering humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

September is the least humid month in Ererê, with an average relative humidity of 46%.

Rainfall

September is the month with the least rainfall. Rain falls for 3.9 days and accumulates 3mm (0.12") of precipitation.

Daylight

In September, the average length of the day is 12h and 5min.
On the first day of September, sunrise is at 05:33 and sunset at 17:33. On the last day of the month, sunrise is at 05:18 and sunset at 17:27 -03.

Sunshine

August and September, with an average of 9.7h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are January, March, April, July through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.