September weather forecast
Riolândia, Brazil

The first month of the spring, September, is still a tropical month in Riolândia, Brazil, with an average temperature fluctuating between 32.7°C (90.9°F) and 19.8°C (67.6°F).

Temperature

In Riolândia, the month of September registers the highest temperatures, averaging 32.7°C (90.9°F) at the peak and 19.8°C (67.6°F) at the lowest.

Heat index

Throughout September, the heat index is computed to be a sweltering 36°C (96.8°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In Riolândia, the average relative humidity in September is 50%.

Rainfall

In Riolândia, during September, the rain falls for 8.2 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, in Riolândia, there are 206.5 rainfall days, and 1211mm (47.68") of precipitation is accumulated.

Daylight

The average length of the day in September in Riolândia is 11h and 59min.
On the first day of September, sunrise is at 06:26 and sunset at 18:10. On the last day of the month, sunrise is at 06:00 and sunset at 18:16 -03.

Sunshine

In September, the average sunshine in Riolândia is 9.4h.

UV index

In September, the average daily maximum UV index in Riolândia is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.