September weather forecast
Uauá, Brazil

The first month of the spring, September, is still a warm month in Uauá, Brazil, with temperature in the range of an average low of 18.3°C (64.9°F) and an average high of 29.9°C (85.8°F).

Temperature

Uauá's average high-temperature in September is a still moderately hot 29.9°C (85.8°F), marking an insignificant difference from the 27.8°C (82°F) of August. Uauá's temperature lowers to a mean of 18.3°C (64.9°F) during the nights in September.

Heat index

Throughout September, the heat index is calculated to be a torrid 35°C (95°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in September in Uauá is 69%.

Rainfall

The month with the least rainfall is September, when the rain falls for 6.5 days and typically collects 4mm (0.16") of precipitation.

Daylight

The average length of the day in September is 12h and 3min.
On the first day of September in Uauá, sunrise is at 05:39 and sunset at 17:35. On the last day of the month, sunrise is at 05:22 and sunset at 17:33 -03.

Sunshine

In Uauá, Brazil, the average sunshine in September is 6.8h.

UV index

In September, the average daily maximum UV index in Uauá is 6. 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 6 in September translates into these instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.