September weather forecast
Duque Bacelar, Brazil

September, the first month of the spring in Duque Bacelar, is a torrid month, with an average temperature ranging between min 22.1°C (71.8°F) and max 36°C (96.8°F).

Temperature

The arrival of September sees a recorded average high-temperature of a fiery hot 36°C (96.8°F), showing little divergence from the previous month's conditions. Despite a significant daily temperature range, Duque Bacelar's temperature falls to a steady low-temperature average of 22.1°C (71.8°F) in September.

Heat index

September's average heat index is estimated at a burning hot 47°C (116.6°F). Stay watchful: Heat exhaustion along with heat cramps are likely. Ongoing effort may cause heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

September is the least humid month in Duque Bacelar, with an average relative humidity of 58%.

Rainfall

September is the month with the least rainfall. Rain falls for 6.7 days and accumulates 9mm (0.35") of precipitation.

Daylight

In September, the average length of the day is 12h and 5min.
On the first day of September in Duque Bacelar, sunrise is at 05:50 and sunset at 17:52. On the last day of the month, sunrise is at 05:37 and sunset at 17:45 -03.

Sunshine

The month with the most sunshine in Duque Bacelar is September, with an average of 9.4h of sunshine.

UV index

January, April through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 7 in September suggests the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.