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
Barra da Estiva marks the arrival of September with an average high-temperature of a still warm 28.5°C (83.3°F), hardly different from August's 26.3°C (79.3°F). Nighttime temperature in Barra da Estiva experiences an average drop to a comfortable 16.6°C (61.9°F) in September.Heat index
The heat index for September is calculated to be a hot 31°C (87.8°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Consider that heat index readings are for situations in the shade and light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. 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
With an average relative humidity of 63%, September is the least humid month in Barra da Estiva.Rainfall
In Barra da Estiva, in September, it is raining for 5.5 days, with typically 7mm (0.28") of accumulated precipitation. Throughout the year, there are 151.9 rainfall days, and 611mm (24.06") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 05:49 and sunset at 17:40. On the last day of September, in Barra da Estiva, Brazil, sunrise is at 05:28 and sunset at 17:41 -03.
Sunshine
In Barra da Estiva, the average sunshine in September is 8.6h.UV index
The months with the highest UV index are January through May, August through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 6 in September translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Barra da Estiva?
What is the least humid month in Barra da Estiva?
What is the average humidity in September in Barra da Estiva?
How many days does it rain in September in Barra da Estiva?
How many hours of daylight does Barra da Estiva have in September?
When is the sunrise / sunset in September in Barra da Estiva?
How long on average sun shines in September in Barra da Estiva?
What are the months with the highest UV index in Barra da Estiva?
What is the UV index reading in September in Barra da Estiva?
Average temperature in September
Barra da Estiva, Brazil
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is October (29.5°C).
The month with the lowest average high temperature is July (24.8°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is November (19.1°C).
The coldest month (with the lowest average low temperature) is July (15.6°C).
Average pressure in September
Barra da Estiva, Brazil
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in September
Barra da Estiva, Brazil
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is September (12.9km/h).
The calmest month (with the lowest average wind speed) is March (8.1km/h).
Average humidity in September
Barra da Estiva, Brazil
- Average humidity in September: 63%
The month with the highest relative humidity is April (78%).
The month with the lowest relative humidity is September (63%).
Average rainfall in September
Barra da Estiva, Brazil
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is December (114mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Barra da Estiva, Brazil
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is September (5.5 days).
Average daylight in September /
Average sunshine in September
Barra da Estiva, 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 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is December (Average sunshine: 9h and 54min).
The months with the least sunshine are June and July (Average sunshine: 6h and 0min).
Average sunshine days in September
Barra da Estiva, Brazil
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Barra da Estiva, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
Barra da Estiva, Brazil
- Average cloud cover in September: 29
The months with the most cloud cover are April and May (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Barra da Estiva, Brazil
- Average visibility in September: 10km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January, February, March and April (8km).
Barra da Estiva, Brazil
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