September weather forecast
Guaraciaba do Norte, Brazil

September, the first month of the spring in Guaraciaba do Norte, is still a hot month, with temperature in the range of an average high of 33.9°C (93°F) and an average low of 20.7°C (69.3°F).

Temperature

The advent of September presents an average high-temperature of a still hot 33.9°C (93°F), maintaining a close correlation with the preceding month. In September, the recorded average low-temperature in Guaraciaba do Norte, of 20.7°C (69.3°F), exhibits a significant fall from the daytime highs.

Heat index

September's average heat index is estimated at a scorching 40°C (104°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

September is the least humid month in Guaraciaba do Norte, with an average relative humidity of 56%.

Rainfall

The month with the least rainfall in Guaraciaba do Norte, Brazil, is September, when the rain falls for 4.4 days and typically collects 4mm (0.16") of precipitation.

Daylight

In September, the average length of the day in Guaraciaba do Norte is 12h and 5min.
On the first day of September, sunrise is at 05:41 and sunset at 17:43. On the last day of the month, sunrise is at 05:28 and sunset at 17:37 -03.

Sunshine

With an average of 9.5h of sunshine, September has the most sunshine of the year.

UV index

The months with the highest UV index in Guaraciaba do Norte are 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 exposure to the Sun's UV rays for average individuals.
Note: The UV index of 7 during September translates into the following guidance:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.