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September Weather in Barra Bonita, Brazil

Last updated: August 22, 2025

In September, the average temperature in Barra Bonita, Brazil hovers around 23°C (74°F). Expect a range of temperatures, with minimums dropping to 10°C (50°F) and highs soaring up to 37°C (100°F). During this period, precipitation is relatively modest, with an average of 24 mm (0.9 in) spread over just 4 days. The average humidity sits at a comfortable 54%, making for pleasant conditions overall.

September Temperature in Barra Bonita

In September, in Barra Bonita, the average temperature is 23°C (74°F). The maximum can reach 37°C (100°F) while the minimum can drop to as low as 10°C (50°F). This makes Barra Bonita an ideal destination for travelers seeking warm weather and pleasant evenings.

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

The chart illustrates September temperature patterns in Barra Bonita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barra Bonita, September typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (100°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec777676736867666774757476
Data source: Temperature data for Barra Bonita 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 Bonita

In Barra Bonita in September, the precipitation amount is 24 mm (0.9 in) over a period of 4 days.

September Precipitation Trends in Barra Bonita

The chart displays monthly precipitation patterns in Barra Bonita, 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 Bonita, September typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1891398947342010472489121127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Barra Bonita

In Barra Bonita in September humidity is 54%. With an average temperature of 23°C (74°F), this humidity feels like a comfortable and pleasant atmosphere for traveling, creating a mild environment that is neither too dry nor overly damp, making outdoor exploration enjoyable.

September Average Humidity in Barra Bonita

This chart illustrates the average monthly humidity levels in Barra Bonita, 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 Bonita is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%86%82%76%71%68%59%54%50%74%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barra Bonita

In Barra Bonita in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Barra Bonita.

Maximum UV Index Levels in Barra Bonita for September

The chart shows the monthly maximum UV Index (UVI) for Barra Bonita 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 Bonita typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151613118771012131416
Data source: Barra Bonita 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 Bonita Compares to Other Months

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

This table compares monthly weather conditions in Barra Bonita, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)189 mm (7.4 inches)88%extreme
February Weather25°C (76°F)139 mm (5.5 inches)87%extreme
March Weather25°C (77°F)89 mm (3.5 inches)86%extreme
April Weather23°C (73°F)47 mm (1.9 inches)82%extreme
May Weather20°C (68°F)34 mm (1.3 inches)76%very high
June Weather20°C (68°F)20 mm (0.8 inches)71%high
July Weather19°C (66°F)10 mm (0.4 inches)67%high
August Weather20°C (68°F)47 mm (1.8 inches)59%very high
September Weather23°C (74°F)24 mm (0.9 inches)54%extreme
October Weather24°C (75°F)88 mm (3.5 inches)50%extreme
November Weather23°C (75°F)121 mm (4.8 inches)74%extreme
December Weather25°C (77°F)127 mm (5.0 inches)83%extreme

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