September weather forecast
Sítio do Mato, Brazil

September, the first month of the spring in Sítio do Mato, is still a tropical month, with an average temperature ranging between max 34.7°C (94.5°F) and min 19.9°C (67.8°F).

Temperature

Sítio do Mato registers the highest average temperatures during the month of September, with peaks of 34.7°C (94.5°F) and lows of 19.9°C (67.8°F).

Heat index

Throughout September, the heat index is calculated to be a fiery hot 38°C (100.4°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

September is the least humid month in Sítio do Mato, with an average relative humidity of 43%.

Rainfall

Months with rainfall in Sítio do Mato are January through June, September through December. September is the first month it rains in Sítio do Mato, Brazil. Throughout September, in the average 2.2 rainfall days, it receives 3mm (0.12") of precipitation. Throughout the year, there are 131.5 rainfall days, and 692mm (27.24") of precipitation is accumulated.

Daylight

The average length of the day in September in Sítio do Mato is 12h and 2min.
On the first day of September, sunrise is at 05:57 and sunset at 17:49. On the last day of the month, sunrise is at 05:37 and sunset at 17:50 -03.

Sunshine

In September, the average sunshine in Sítio do Mato, Brazil, is 9.9h.

UV index

February, August through October, with an average maximum UV index of 7, are months with the highest UV index in Sítio do Mato. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.