September weather forecastCaém, Brazil
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Caém, Brazil, with an average temperature ranging between max 28.2°C (82.8°F) and min 17.3°C (63.1°F).Temperature
The onset of September notes an average high-temperature of a still warm 28.2°C (82.8°F), subtly shifted from August's 26.3°C (79.3°F). September brings Caém a consistent average low-temperature of 17.3°C (63.1°F).Heat index
September's average heat index is evaluated at a hot 31°C (87.8°F). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.Note that heat index values are valued for light wind and location in the shade. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In September, the average relative humidity is 71%.Rainfall
September is the month with the least rainfall in Caém. Rain falls for 14.7 days and accumulates 12mm (0.47") of precipitation.Daylight
In Caém, Brazil, the average length of the day in September is 12h and 3min.On the first day of September in Caém, sunrise is at 05:44 and sunset at 17:38. On the last day of the month, sunrise is at 05:25 and sunset at 17:37 -03.
Sunshine
In Caém, the average sunshine in September is 6.3h.UV index
The months with the highest UV index are January through April, September through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Caém, Brazil
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is March (30.5°C).
The month with the lowest average high temperature is July (25.1°C).
- Average low temperature in September: 17.3°C
The month with the highest average low temperature is November (19.7°C).
The coldest month (with the lowest average low temperature) is August (16.4°C).
Average pressure in September
Caém, Brazil
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is July (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Caém, Brazil
- Average wind speed in September: 16km/h
The windiest month (with the highest average wind speed) is September (16km/h).
The calmest month (with the lowest average wind speed) is March (11.2km/h).
Average humidity in September
Caém, Brazil
- Average humidity in September: 71%
The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are October and November (68%).
Average rainfall in September
Caém, Brazil
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is March (74mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in September
Caém, Brazil
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is October (14.5 days).
Average daylight in September /
Average sunshine in September
Caém, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is January (Average sunshine: 8h and 36min).
The month with the least sunshine is July (Average sunshine: 3h and 54min).
Average sunshine days in September
Caém, Brazil
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is October (11.6 days).
The month with the least sunshine days is July (6.4 days).
Average UV index in September
Caém, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in September
Caém, Brazil
- Average cloud cover in September: 52
The month with the most cloud cover is June (Cloud cover 71).
The months with the least cloud cover are November and December (Cloud cover 47).
Average visibility in September
Caém, Brazil
- Average visibility in September: 9km
The months with the highest visibility are February, March, August, September, October, November and December (9km).
The months with the lowest visibility are January, April, May, June and July (8km).
