September weather forecast
Canutama, Brazil

The first month of the spring, September, is also a sweltering month in Canutama, Brazil, with temperature in the range of an average low of 22.7°C (72.9°F) and an average high of 35.7°C (96.3°F).

Temperature

The shift into September reveals an average high-temperature of a still torrid 35.7°C (96.3°F), closely mirroring August's climate. Canutama observes a dramatic plunge from daytime highs in September, settling at an average low-temperature of 22.7°C (72.9°F).

Heat index

In September, the heat index is estimated at a life-threatening hot 49°C (120.2°F). Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In Canutama, Brazil, the average relative humidity in September is 63%.

Rainfall

In Canutama, during September, the rain falls for 13.1 days and regularly aggregates up to 25mm (0.98") of precipitation. In Canutama, during the entire year, the rain falls for 232.3 days and collects up to 1127mm (44.37") of precipitation.

Daylight

The average length of the day in September in Canutama, Brazil, is 12h and 4min.
On the first day of the month, sunrise is at 06:17 and sunset at 18:17. On the last day of September, sunrise is at 06:02 and sunset at 18:12 -04.

Sunshine

The average sunshine in September is 9.2h.

UV index

June through November, with an average maximum UV index of 7, are months with the highest UV index in Canutama. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 7 in September translates into this advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.