September weather forecast
Acorizal, Brazil

The first month of the spring, September, is also a sweltering month in Acorizal, Brazil, with an average temperature fluctuating between 37.2°C (99°F) and 24.2°C (75.6°F).

Temperature

The month of September, characterized by an average high of 37.2°C (99°F) and a low of 24.2°C (75.6°F), is recognized as the warmest.

Heat index

The heat index value for September is appraised at a blisteringly hot 42°C (107.6°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In September, the average relative humidity in Acorizal is 40%.

Rainfall

In September, in Acorizal, Brazil, the rain falls for 7.5 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Acorizal, during the entire year, the rain falls for 167.2 days and collects up to 663mm (26.1") of precipitation.

Daylight

In September, the average length of the day in Acorizal is 12h and 1min.
On the first day of September in Acorizal, sunrise is at 05:50 and sunset at 17:40. On the last day of the month, sunrise is at 05:28 and sunset at 17:42 -04.

Sunshine

August and September, with an average of 9.6h of sunshine, are months with the most sunshine in Acorizal.

UV index

In September, the average daily maximum UV index in Acorizal is 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.