September weather forecastCanutama, Brazil
September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Canutama, Brazil
- Average high temperature in September: 35.7°C
The warmest month (with the highest average high temperature) is August (35.9°C).
The month with the lowest average high temperature is February (29.4°C).
- Average low temperature in September: 22.7°C
The month with the highest average low temperature is October (23.3°C).
The coldest month (with the lowest average low temperature) is July (20.9°C).
Average pressure in September
Canutama, Brazil
- Average pressure in September: 1010.4mbar
The month with the highest atmospheric pressure is June (1012.7mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in September
Canutama, Brazil
- Average wind speed in September: 4km/h
The windiest month (with the highest average wind speed) is August (4.1km/h).
The calmest month (with the lowest average wind speed) is January (3.4km/h).
Average humidity in September
Canutama, Brazil
- Average humidity in September: 63%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Canutama, Brazil
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is January (181mm).
The driest month (with the least rainfall) is July (6mm).
Average rainfall days in September
Canutama, Brazil
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is January (27.5 days).
The month with the least rainy days is July (6.3 days).
Average daylight in September /
Average sunshine in September
Canutama, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is October (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in September
Canutama, Brazil
- Average sunshine days in September: 15 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (2.1 days).
Average UV index in September
Canutama, Brazil
- Average UV index in September: 7
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover in September
Canutama, Brazil
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Canutama, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (5km).





