Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The shift from August to September is characterized by an average high-temperature of a still moderately hot 27.2°C (81°F), not significantly different from the 26°C (78.8°F) of August. In São Miguel das Matas, September nights cool down to an average of 18.8°C (65.8°F).Heat index
The average heat index in September is evaluated at a tropical 30°C (86°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the feeling of heat when considering both air temperature and humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In São Miguel das Matas, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 18.8 days and typically collects 30mm (1.18") of precipitation.Daylight
In September, the average length of the day in São Miguel das Matas is 12h and 2min.On the first day of the month, sunrise is at 05:41 and sunset at 17:33. On the last day of September, in São Miguel das Matas, sunrise is at 05:21 and sunset at 17:34 -03.
Sunshine
In São Miguel das Matas, the average sunshine in September is 6.5h.UV index
In São Miguel das Matas, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 6 transforms into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the temperature in September in São Miguel das Matas?
What is the average humidity in September in São Miguel das Matas?
What is the driest month in São Miguel das Matas?
How much does it rain in São Miguel das Matas in September?
How many hours of daylight does São Miguel das Matas have in September?
When are sunrise and sunset in September in São Miguel das Matas?
How long on average sun shines in September in São Miguel das Matas?
How high is the UV index in September in São Miguel das Matas?
Average temperature in September
São Miguel das Matas, Brazil
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is March (31.6°C).
The month with the lowest average high temperature is July (25.5°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is February (22°C).
The coldest month (with the lowest average low temperature) is August (18.3°C).
Average pressure in September
São Miguel das Matas, Brazil
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is July (1018.8mbar).
The months with the lowest atmospheric pressure are March and December (1012.7mbar).
Average wind speed in September
São Miguel das Matas, Brazil
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is July (12.4km/h).
The calmest month (with the lowest average wind speed) is March (10.3km/h).
Average humidity in September
São Miguel das Matas, Brazil
- Average humidity in September: 81%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is February (76%).
Average rainfall in September
São Miguel das Matas, Brazil
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is March (61mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
São Miguel das Matas, Brazil
- Average rainfall days in September: 18.8 days
The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is December (18.6 days).
Average daylight in September /
Average sunshine in September
São Miguel das Matas, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is July (Average sunshine: 5h and 12min).
Average sunshine days in September
São Miguel das Matas, Brazil
- Average sunshine days in September: 6.1 days
The month with the most sunshine days is December (8.7 days).
The month with the least sunshine days is July (4.1 days).
Average UV index in September
São Miguel das Matas, Brazil
- Average UV index in September: 6
The months with the highest UV index are January and February (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
São Miguel das Matas, Brazil
- Average cloud cover in September: 53
The month with the most cloud cover is May (Cloud cover 61).
The month with the least cloud cover is February (Cloud cover 45).
Average visibility in September
São Miguel das Matas, Brazil
- Average visibility in September: 8km
The month with the highest visibility is February (9km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
São Miguel das Matas, Brazil
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