September Weather in Balsas, Brazil

Last updated: August 22, 2025

In Balsas, Brazil, the average temperature in September reaches a warm 30°C (86°F), with a comfortable minimum of 20°C (69°F) and an occasional peak at 39°C (102°F). Expect minimal rainfall, with only 1 mm (0.1 in) of precipitation over 0 days, and enjoy the dry air with an average humidity of just 41%.

September Temperature in Balsas

In September in Balsas, the average temperature is 30°C (86°F). Maximum can reach 39°C (102°F) and minimum can be as low as 20°C (69°F). This makes Balsas an ideal destination for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates September temperature patterns in Balsas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Balsas, September typically has an average temperature of 30°C (86°F), with highs reaching up to 39°C (102°F) and lows dropping to around 20°C (69°F).

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

September Precipitation in Balsas

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

September Precipitation Trends in Balsas

The chart displays monthly precipitation patterns in Balsas, 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 Balsas, 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.

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Millimeters (mm) Inches (in)

September Humidity in Balsas

In Balsas in September humidity is 41%. With an average temperature of 30°C (86°F), this humidity feels like a warm embrace, making travel comfortable but slightly sticky, encouraging visitors to explore local attractions while taking breaks in shaded areas or enjoying refreshing drinks.

September Average Humidity in Balsas

This chart illustrates the average monthly humidity levels in Balsas, 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 Balsas 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 Balsas

In Balsas 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 Balsas.

Maximum UV Index Levels in Balsas for September

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

Data source: Balsas 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 Balsas Compares to Other Months

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

This table compares monthly weather conditions in Balsas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	133 mm (5.2 inches)	90%	extreme
February Weather	26°C (80°F)	204 mm (8.0 inches)	91%	extreme
March Weather	26°C (80°F)	193 mm (7.6 inches)	93%	extreme
April Weather	27°C (81°F)	147 mm (5.8 inches)	92%	extreme
May Weather	27°C (82°F)	21 mm (0.8 inches)	86%	extreme
June Weather	27°C (81°F)	1 mm (0.0 inches)	76%	extreme
July Weather	27°C (81°F)	3 mm (0.1 inches)	61%	extreme
August Weather	28°C (83°F)	1 mm (0.0 inches)	50%	extreme
September Weather	30°C (86°F)	1 mm (0.1 inches)	41%	extreme
October Weather	29°C (85°F)	42 mm (1.7 inches)	37%	extreme
November Weather	27°C (82°F)	114 mm (4.5 inches)	48%	extreme
December Weather	27°C (81°F)	131 mm (5.2 inches)	76%	extreme