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 sea temperature 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
With September's arrival, Barra de Santo Antônio, Brazil, notes an average high-temperature of a still warm 27.1°C (80.8°F), closely following the trend of the preceding month. During September, Barra de Santo Antônio records an average temperature of 21.1°C (70°F) at night.Heat index
September's average heat index is calculated to be a hot 30°C (86°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful 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
The average relative humidity in September is 81%.Rainfall
In Barra de Santo Antônio, in September, it is raining for 21.8 days, with typically 37mm (1.46") of accumulated precipitation. In Barra de Santo Antônio, during the entire year, the rain falls for 256.6 days and collects up to 686mm (27.01") of precipitation.Sea temperature
August and September, with an average sea temperature of 26.3°C (79.3°F), are months with the coldest seawater.Note: Ideal surface water temperatures for any water activity fall between 25°C (77°F) and 29°C (84.2°F), offering maximum enjoyment for lengthened periods.
Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:23 and sunset at 17:20. On the last day of September, sunrise is at 05:06 and sunset at 17:17 -03.
Sunshine
In Barra de Santo Antônio, the average sunshine in September is 7.3h.UV index
The months with the lowest UV index are April through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 6 transforms into the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be attentive! The UV exposure is heightened with reflections from sand and water.
Frequently asked questions
What is the temperature in September in Barra de Santo Antônio?
What is the average humidity in September in Barra de Santo Antônio?
How much does it rain in Barra de Santo Antônio in September?
When is the sea coldest in Barra de Santo Antônio?
What is the water temperature in September in Barra de Santo Antônio?
How many hours of daylight does Barra de Santo Antônio have in September?
What time are sunrise and sunset in September in Barra de Santo Antônio?
How many hours of sunshine does Barra de Santo Antônio have in September?
When is the lowest UV index in Barra de Santo Antônio?
How high is the UV index in September in Barra de Santo Antônio?
Average temperature in September
Barra de Santo Antônio, Brazil
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is March (31.3°C).
The months with the lowest average high temperature are July and August (26.3°C).
- Average low temperature in September: 21.1°C
The month with the highest average low temperature is March (24°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).
Average pressure in September
Barra de Santo Antônio, Brazil
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is August (1017.2mbar).
The month with the lowest atmospheric pressure is March (1012.2mbar).
Average wind speed in September
Barra de Santo Antônio, Brazil
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is November (13.4km/h).
The calmest month (with the lowest average wind speed) is May (8.9km/h).
Average humidity in September
Barra de Santo Antônio, Brazil
- Average humidity in September: 81%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are March and December (74%).
Average rainfall in September
Barra de Santo Antônio, Brazil
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is July (105mm).
The driest month (with the least rainfall) is November (21mm).
Average rainfall days in September
Barra de Santo Antônio, Brazil
- Average rainfall days in September: 21.8 days
The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is November (15.3 days).
Average sea temperature in September
Barra de Santo Antônio, Brazil
- Average sea temperature in September: 26.3°C
The best months for swimming (with the highest average sea temperature) are March and April (28.8°C).
The coldest months (with the lowest average sea temperature) are August and September (26.3°C).
Average daylight in September /
Average sunshine in September
Barra de Santo Antônio, Brazil
- Average daylight in September: 12h and 1min
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 2min
The month with the most sunshine is March (Average sunshine: 8h and 6min).
The month with the least sunshine is July (Average sunshine: 6h and 54min).
Average sunshine days in September
Barra de Santo Antônio, Brazil
- Average sunshine days in September: 5.1 days
The month with the most sunshine days is December (7 days).
The month with the least sunshine days is June (2.3 days).
Average UV index in September
Barra de Santo Antônio, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August and September (UV index 6).
Average cloud cover in September
Barra de Santo Antônio, Brazil
- Average cloud cover in September: 47
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is March (Cloud cover 39).
Average visibility in September
Barra de Santo Antônio, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
Barra de Santo Antônio, Brazil
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