September weather forecast
Seridó, Brazil

September, the first month of the spring in Seridó, is a hot month, with an average temperature varying between 19.6°C (67.3°F) and 31°C (87.8°F).

Temperature

September's presence marks an average high-temperature of a hot 31°C (87.8°F), subtly varied from August's 29.9°C (85.8°F). The low-temperature averages to a refreshing 19.6°C (67.3°F) during the nights of September.

Heat index

In September, the heat index is calculated to be a very hot 36°C (96.8°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'felt air temperature', joins air temperature with relative humidity to produce a temperature perception for humans. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. An increase in relative humidity disrupts body cooling by slowing the evaporation rate, thereby reducing the rate at which the body cools and amplifying the sense of heat. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In September, the average relative humidity is 64%.

Rainfall

The month with the least rainfall in Seridó is September, when the rain falls for 1.8 days and typically collects 2mm (0.08") of precipitation.

Daylight

In Seridó, Brazil, the average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:25 and sunset at 17:25. On the last day of the month, sunrise is at 05:10 and sunset at 17:20 -03.

Sunshine

The months with the most sunshine in Seridó, Brazil, are September and November, with an average of 9.4h of sunshine.

UV index

The months with the highest UV index in Seridó are January through March, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 7 during September morphs into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.