September weather forecastBananeiras, Brazil

Weather in September

The first month of the spring, September, is still a warm month in Bananeiras, Brazil, with temperature in the range of an average low of 19.8°C (67.6°F) and an average high of 29.5°C (85.1°F).

Temperature

The start of September marks an average high-temperature of a still moderately hot 29.5°C (85.1°F), hardly distinguishable from the conditions in August. Bananeiras's average low-temperature during September nights is observed to be a comfortable 19.8°C (67.6°F).

Heat index

The heat index for September is appraised at a sweltering 36°C (96.8°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. 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. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In Bananeiras, the average relative humidity in September is 78%.

Rainfall

In Bananeiras, in September, during 15.2 rainfall days, 14mm (0.55") of precipitation is typically accumulated. In Bananeiras, Brazil, during the entire year, the rain falls for 205.7 days and collects up to 444mm (17.48") of precipitation.

Daylight

The average length of the day in September in Bananeiras, Brazil, is 12h and 4min.
On the first day of the month, sunrise is at 05:22 and sunset at 17:22. On the last day of September, sunrise is at 05:07 and sunset at 17:17 -03.

Sunshine

In Bananeiras, the average sunshine in September is 6.3h.

UV index

The months with the lowest UV index in Bananeiras are March through September, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 6 in September transforms into the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.