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September Weather in Barra Velha, Brazil

Last updated: August 22, 2025

In Barra Velha, Brazil, the average temperature in September hovers around 19°C (67°F). Expect a minimum of 11°C (53°F) and a maximum of 27°C (80°F). During this time, the region typically experiences about 106 mm (4.2 in) of precipitation over 12 days, with an average humidity of 82%.

September Temperature in Barra Velha

In September in Barra Velha, the average temperature is 19°C (67°F). Maximums can reach 27°C (80°F), while minimums can dip as low as 11°C (53°F). This pleasant weather makes it a great time to explore Barra Velha comfortably.

September Weather in Barra Velha: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Barra Velha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barra Velha, September typically has an average temperature of 19°C (67°F), with highs reaching up to 27°C (80°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec777776726865626366697175
Data source: Temperature data for Barra Velha generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Barra Velha

In Barra Velha in September, the precipitation amount is 106 mm (4.2 in), occurring over a span of 12 days.

September Precipitation Trends in Barra Velha

The chart displays monthly precipitation patterns in Barra Velha, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Barra Velha, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec173177151921141284265106137107159
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Barra Velha

In Barra Velha in September humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

September Average Humidity in Barra Velha

This chart illustrates the average monthly humidity levels in Barra Velha, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Barra Velha is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%85%86%85%80%79%82%82%86%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barra Velha

In Barra Velha in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Barra Velha.

Maximum UV Index Levels in Barra Velha for September

The chart shows the monthly maximum UV Index (UVI) for Barra Velha in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Barra Velha typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210755810121415
Data source: Barra Velha September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Barra Velha Compares to Other Months

Weather in Barra Velha varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Barra Velha, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Barra Velha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)173 mm (6.8 inches)86%extreme
February Weather25°C (77°F)177 mm (7.0 inches)83%extreme
March Weather24°C (76°F)151 mm (6.0 inches)85%extreme
April Weather22°C (72°F)92 mm (3.6 inches)85%very high
May Weather20°C (68°F)114 mm (4.5 inches)86%high
June Weather18°C (65°F)128 mm (5.1 inches)85%moderate
July Weather17°C (62°F)42 mm (1.7 inches)80%moderate
August Weather17°C (63°F)65 mm (2.6 inches)79%very high
September Weather19°C (67°F)106 mm (4.2 inches)82%very high
October Weather21°C (69°F)137 mm (5.4 inches)82%extreme
November Weather22°C (71°F)107 mm (4.2 inches)86%extreme
December Weather24°C (75°F)158 mm (6.2 inches)88%extreme

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