September weather forecast
Itapura, Brazil

The first month of the spring, September, is also a hot month in Itapura, Brazil, with an average temperature fluctuating between 20°C (68°F) and 32.9°C (91.2°F).

Temperature

In Itapura, September and October are characterised by the peak of temperatures, recording an average high of 32.9°C (91.2°F).

Heat index

For most parts of September, the heat index is appraised at a torrid 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In September, the average relative humidity is 52%.

Rainfall

In Itapura, in September, it is raining for 9.2 days, with typically 59mm (2.32") of accumulated precipitation. In Itapura, during the entire year, the rain falls for 190.1 days and collects up to 1155mm (45.47") of precipitation.

Daylight

In September, the average length of the day in Itapura is 11h and 59min.
On the first day of September, sunrise is at 06:34 and sunset at 18:17. On the last day of the month, sunrise is at 06:07 and sunset at 18:24 -03.

Sunshine

The average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.