September weather forecastJaicós, Brazil

Weather in September

September, the first month of the spring in Jaicós, is a very hot month, with an average temperature ranging between min 21.8°C (71.2°F) and max 35.5°C (95.9°F).

Temperature

In the transition from August to September, Jaicós reports an average high-temperature of a very hot 35.5°C (95.9°F), indicating a close resemblance to the prior month. A notable decrease from the day's highest temperature marks September in Jaicós, culminating in an average low of 21.8°C (71.2°F).

Heat index

The heat index for September is evaluated at a torrid 39°C (102.2°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. 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 particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

With an average relative humidity of 42%, September is the least humid month in Jaicós.

Rainfall

January through July, September through December are months with rainfall in Jaicós. September is the first month it rains. Throughout September, in the average 1.5 rainfall days, it receives 2mm (0.08") of precipitation. In Jaicós, during the entire year, the rain falls for 152.5 days and collects up to 872mm (34.33") of precipitation.

Daylight

The average length of the day in September in Jaicós is 12h and 4min.
On the first day of September in Jaicós, sunrise is at 05:45 and sunset at 17:43. On the last day of the month, sunrise is at 05:29 and sunset at 17:39 -03.

Sunshine

August and September, with an average of 9.9h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are September and October, with an average maximum UV index of 8. A UV Index of 8 to 10 symbolizes a very high threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 8 during September translates into the following recommendations:
Always remain cautious. Unprotected skin and eyes are prone to swift harm. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.