September weather forecastReriutaba, Brazil

Weather in September

The first month of the spring, September, is still a tropical month in Reriutaba, Brazil, with an average temperature ranging between min 21.5°C (70.7°F) and max 34.7°C (94.5°F).

Temperature

The transition into September notes an average high-temperature of a still tropical 34.7°C (94.5°F), revealing a mild distinction from the 33.9°C (93°F) in August. Reriutaba's temperature exhibits a stark contrast from daytime to nighttime, averaging lows of 21.5°C (70.7°F) in September.

Heat index

The heat index value during September is evaluated at a scorching 41°C (105.8°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. 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.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

The least humid month is September, with an average relative humidity of 52%.

Rainfall

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

Daylight

In September, the average length of the day in Reriutaba, Brazil, is 12h and 5min.
On the first day of the month, sunrise is at 05:41 and sunset at 17:43. On the last day of September, sunrise is at 05:27 and sunset at 17:36 -03.

Sunshine

The months with the most sunshine in Reriutaba, Brazil, are August and September, with an average of 9.4h of sunshine.

UV index

The months with the highest UV index in Reriutaba are July through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.