September weather forecastCatolé do Rocha, Brazil
September
Weather in September
The first month of the spring, September, is also a hot month in Catolé do Rocha, Brazil, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 34.4°C (93.9°F).Temperature
September's advent presents an average high-temperature of a still tropical 34.4°C (93.9°F), indicating a slight variation from the conditions of the previous month. With the onset of night in September, Catolé do Rocha reveals a significant decrease in temperature, averaging at an agreeable 21.3°C (70.3°F).Heat index
The heat index for September is appraised at a sweltering 39°C (102.2°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.
Humidity
In September, the average relative humidity in Catolé do Rocha is 50%.Rainfall
The month with the least rainfall in Catolé do Rocha is September, when the rain falls for 1.5 days and typically collects 1mm (0.04") of precipitation.Daylight
The average length of the day in September in Catolé do Rocha is 12h and 4min.On the first day of September, sunrise is at 05:30 and sunset at 17:30. On the last day of the month, sunrise is at 05:15 and sunset at 17:25 -03.
Sunshine
September has the most sunshine of the year in Catolé do Rocha, with an average of 9.9h of sunshine.UV index
The months with the highest UV index are January through March, August through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Catolé do Rocha, Brazil
- Average high temperature in September: 34.4°C
The warmest month (with the highest average high temperature) is November (35.5°C).
The months with the lowest average high temperature are June and July (31.3°C).
- Average low temperature in September: 21.3°C
The months with the highest average low temperature are November and December (23.6°C).
The coldest month (with the lowest average low temperature) is July (19.8°C).
Average pressure in September
Catolé do Rocha, Brazil
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is July (1015.5mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
Catolé do Rocha, Brazil
- Average wind speed in September: 17.6km/h
The windiest month (with the highest average wind speed) is October (18km/h).
The calmest month (with the lowest average wind speed) is April (9.9km/h).
Average humidity in September
Catolé do Rocha, Brazil
- Average humidity in September: 50%
The months with the highest relative humidity are April and May (71%).
The month with the lowest relative humidity is November (48%).
Average rainfall in September
Catolé do Rocha, Brazil
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (100mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in September
Catolé do Rocha, Brazil
- Average rainfall days in September: 1.5 days
The months with the highest number of rainy days are March and April (22.7 days).
The month with the least rainy days is September (1.5 days).
Average daylight in September /
Average sunshine in September
Catolé do Rocha, 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 54min
The month with the most sunshine is September (Average sunshine: 9h and 54min).
The month with the least sunshine is March (Average sunshine: 8h and 42min).
Average sunshine days in September
Catolé do Rocha, Brazil
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is September (27.8 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in September
Catolé do Rocha, Brazil
- Average UV index in September: 7
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June and July (UV index 6).
Average cloud cover in September
Catolé do Rocha, Brazil
- Average cloud cover in September: 14
The months with the most cloud cover are March and April (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in September
Catolé do Rocha, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (9km).
