September weather forecastMambaí, Brazil
September
Weather in September
September, the first month of the spring in Mambaí, is still a tropical month, with an average temperature ranging between min 19°C (66.2°F) and max 32.6°C (90.7°F).Temperature
September, marked by an average high-temperature of 32.6°C (90.7°F) and a low-temperature of 19°C (66.2°F), is the warmest month.Heat index
The heat index for September is appraised at a tropical 34°C (93.2°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Given the heat index, its values are aligned with shaded sites and gentle winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The least humid month in Mambaí is September, with an average relative humidity of 43%.Rainfall
In Mambaí, during September, the rain falls for 4.8 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, in Mambaí, there are 182.2 rainfall days, and 1008mm (39.69") of precipitation is accumulated.Daylight
In Mambaí, the average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 06:08 and sunset at 17:59. On the last day of September, sunrise is at 05:47 and sunset at 18:01 -03.
Sunshine
September has the most sunshine of the year in Mambaí, with an average of 9.7h of sunshine.UV index
The months with the highest UV index are August and September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. 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. 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
Mambaí, Brazil
- Average high temperature in September: 32.6°C
The warmest month (with the highest average high temperature) is September (32.6°C).
The month with the lowest average high temperature is May (26.6°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is October (20.9°C).
The coldest month (with the lowest average low temperature) is July (14.9°C).
Average pressure in September
Mambaí, Brazil
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Mambaí, Brazil
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is September (8.5km/h).
The calmest month (with the lowest average wind speed) is March (5.5km/h).
Average humidity in September
Mambaí, Brazil
- Average humidity in September: 43%
The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is September (43%).
Average rainfall in September
Mambaí, Brazil
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is November (188mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Mambaí, Brazil
- Average rainfall days in September: 4.8 days
The month with the highest number of rainy days is March (26.1 days).
The month with the least rainy days is August (1.3 days).
Average daylight in September /
Average sunshine in September
Mambaí, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is September (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in September
Mambaí, Brazil
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is November (3.6 days).
Average UV index in September
Mambaí, Brazil
- Average UV index in September: 7
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, October, November and December (UV index 6).
Average cloud cover in September
Mambaí, Brazil
- Average cloud cover in September: 14
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Mambaí, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (8km).





