September weather forecastChoró, Brazil

Weather in September

The first month of the spring, September, is still a hot month in Choró, Brazil, with an average temperature varying between 34.3°C (93.7°F) and 22°C (71.6°F).

Temperature

With the advent of September, Choró's high-temperatures adjust to a still tropical 34.3°C (93.7°F), closely aligning with the preceding month. Throughout the month of September, Choró observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 22°C (71.6°F).

Heat index

For most parts of September, the heat index is estimated at an extremely hot 42°C (107.6°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

September and October, with an average relative humidity of 57%, are the least humid months.

Rainfall

The months with the least rainfall in Choró are September and October Rain falls for 6.2 days and accumulates 8mm (0.31") of rain.

Daylight

The average length of the day in September is 12h and 5min.
On the first day of the month, sunrise is at 05:35 and sunset at 17:37. On the last day of September, sunrise is at 05:21 and sunset at 17:30 -03.

Sunshine

September has the most sunshine of the year in Choró, with an average of 9.3h of sunshine.

UV index

January, July through December, with an average maximum UV index of 7, are months with the highest UV index in Choró. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 7 suggests this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.