September weather forecast
Antonina do Norte, Brazil

The first month of the spring, September, is still a hot month in Antonina do Norte, Brazil, with an average temperature fluctuating between 34.9°C (94.8°F) and 22.2°C (72°F).

Temperature

Antonina do Norte sees the arrival of September with an average high-temperature of a still hot 34.9°C (94.8°F), indicating a subtle variation from August. A striking departure from daytime highs to an average low-temperature of 22.2°C (72°F) is witnessed during September.

Heat index

For September, the heat index is computed to be a sweltering 39°C (102.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

September is the least humid month, with an average relative humidity of 47%.

Rainfall

September is the month with the least rainfall. Rain falls for 3.9 days and accumulates 3mm (0.12") of precipitation.

Daylight

In Antonina do Norte, the average length of the day in September is 12h and 4min.
On the first day of September in Antonina do Norte, sunrise is at 05:40 and sunset at 17:39. On the last day of the month, sunrise is at 05:24 and sunset at 17:34 -03.

Sunshine

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

UV index

The months with the highest UV index are January, March, July through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.