September Weather in Barras, Brazil

Last updated: August 22, 2025

In September, the average temperature in Barras, Brazil reaches a balmy 31°C (87°F), with highs soaring to 39°C (102°F) and lows dipping to 21°C (71°F). With only 1 mm (0.1 in) of precipitation over 0 days, you can expect plenty of sunshine. Plus, the average humidity is a comfortable 41%, making it an ideal time to enjoy outdoor activities!

September Temperature in Barras

In September in Barras, the average temperature is 31°C (87°F). Maximums can reach 39°C (102°F), while minimums can be as low as 21°C (71°F). Travelers should prepare for warm weather, with the potential for hot days and cooler nights.

September Weather in Barras: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Barras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barras, September typically has an average temperature of 31°C (87°F), with highs reaching up to 39°C (102°F) and lows dropping to around 21°C (71°F).

Data source: Temperature data for Barras generated using information from the Copernicus Climate Change Service.

September Precipitation in Barras

In Barras in September, the precipitation amount is 1 mm (0.1 in) during 0 days, indicating a very dry period.

September Precipitation Trends in Barras

The chart displays monthly precipitation patterns in Barras, 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 Barras, September typically receives around 1 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Barras

In Barras in September, humidity is 41%. With an average temperature of 31°C (87°F), this humidity feels like a warm embrace, making it comfortable for traveling, yet leaving you refreshed with just the right amount of moisture in the air.

September Average Humidity in Barras

This chart illustrates the average monthly humidity levels in Barras, 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 Barras is approximately 41%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barras

In Barras in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Barras.

Maximum UV Index Levels in Barras for September

The chart shows the monthly maximum UV Index (UVI) for Barras 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 Barras typically reaches 13, which falls under the extreme exposure category.

Data source: Barras 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 Barras Compares to Other Months

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

This table compares monthly weather conditions in Barras, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	196 mm (7.7 inches)	90%	extreme
February Weather	27°C (81°F)	389 mm (15.3 inches)	91%	extreme
March Weather	27°C (80°F)	452 mm (17.8 inches)	93%	extreme
April Weather	27°C (81°F)	325 mm (12.8 inches)	93%	extreme
May Weather	27°C (82°F)	130 mm (5.1 inches)	88%	extreme
June Weather	28°C (83°F)	16 mm (0.6 inches)	75%	extreme
July Weather	28°C (84°F)	15 mm (0.6 inches)	55%	extreme
August Weather	29°C (85°F)	2 mm (0.1 inches)	46%	extreme
September Weather	31°C (87°F)	1 mm (0.1 inches)	41%	extreme
October Weather	31°C (88°F)	7 mm (0.3 inches)	38%	extreme
November Weather	31°C (87°F)	29 mm (1.1 inches)	43%	extreme
December Weather	30°C (86°F)	70 mm (2.8 inches)	67%	extreme