September weather forecastPoço Redondo, Brazil
September
Weather in September
The first month of the spring, September, is a hot month in Poço Redondo, Brazil, with an average temperature fluctuating between 31.1°C (88°F) and 19.5°C (67.1°F).Temperature
The onset of September marks an average high-temperature of a tropical 31.1°C (88°F), hardly differing from August's 29.5°C (85.1°F). In Poço Redondo, the average temperature during the nights of September drops to a refreshing 19.5°C (67.1°F).Heat index
In September, the average heat index is calculated to be a very hot 37°C (98.6°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.The metrics for the heat index are tailored for both shady environments and light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.
Humidity
In September, the average relative humidity in Poço Redondo, Brazil, is 67%.Rainfall
The month with the least rainfall in Poço Redondo is September, when the rain falls for 6.9 days and typically collects 5mm (0.2") of precipitation.Daylight
The average length of the day in September in Poço Redondo is 12h and 3min.On the first day of September in Poço Redondo, sunrise is at 05:32 and sunset at 17:28. On the last day of the month, sunrise is at 05:14 and sunset at 17:26 -03.
Sunshine
The average sunshine in September in Poço Redondo is 7.4h.UV index
January through March, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 7 in September leads to these recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Poço Redondo, Brazil
- Average high temperature in September: 31.1°C
The warmest months (with the highest average high temperature) are November and December (34.5°C).
The month with the lowest average high temperature is July (28.3°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is March (23.1°C).
The coldest month (with the lowest average low temperature) is August (18.3°C).
Average pressure in September
Poço Redondo, Brazil
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is July (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Poço Redondo, Brazil
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is October (17.7km/h).
The calmest month (with the lowest average wind speed) is April (12.6km/h).
Average humidity in September
Poço Redondo, Brazil
- Average humidity in September: 67%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is November (55%).
Average rainfall in September
Poço Redondo, Brazil
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is March (46mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in September
Poço Redondo, Brazil
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is November (5.3 days).
Average daylight in September /
Average sunshine in September
Poço Redondo, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is January (Average sunshine: 9h and 30min).
The month with the least sunshine is July (Average sunshine: 4h and 54min).
Average sunshine days in September
Poço Redondo, Brazil
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is November (22.9 days).
The month with the least sunshine days is June (13 days).
Average UV index in September
Poço Redondo, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July and August (UV index 6).
Average cloud cover in September
Poço Redondo, Brazil
- Average cloud cover in September: 40
The month with the most cloud cover is July (Cloud cover 62).
The month with the least cloud cover is November (Cloud cover 26).
Average visibility in September
Poço Redondo, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are May, June, July and August (8km).





