September Weather in Bauru, Brazil

Last updated: August 22, 2025

In Bauru, Brazil, the average temperature in September hovers around 25°C (77°F), with a minimum dipping to 11°C (52°F) and a maximum soaring up to 39°C (103°F). Expect about 27 mm (1.1 in) of precipitation spread over 4 days, and feel the warmth with an average humidity of 54%. Whether you're planning outdoor activities or cozy indoor moments, it's a month filled with delightful weather contrasts!

September Temperature in Bauru

In September in Bauru, the average temperature is 25°C (77°F). Maximums can reach 39°C (103°F) and minimums can be as low as 11°C (52°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while being prepared for fluctuating temperatures.

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

The chart illustrates September temperature patterns in Bauru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bauru, September typically has an average temperature of 25°C (77°F), with highs reaching up to 39°C (103°F) and lows dropping to around 11°C (52°F).

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

September Precipitation in Bauru

In Bauru in September, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

September Precipitation Trends in Bauru

The chart displays monthly precipitation patterns in Bauru, 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 Bauru, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 4 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 Bauru

In Bauru in September humidity is 54%. With an average temperature of 25°C (77°F), this humidity feels like a comfortable yet slightly sticky embrace, perfect for exploring the vibrant streets and enjoying leisurely outdoor activities without feeling overheated.

September Average Humidity in Bauru

This chart illustrates the average monthly humidity levels in Bauru, 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 Bauru is approximately 54%, 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 Bauru

In Bauru 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 Bauru.

Maximum UV Index Levels in Bauru for September

The chart shows the monthly maximum UV Index (UVI) for Bauru 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 Bauru typically reaches 12, which falls under the extreme exposure category.

Data source: Bauru 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 Bauru Compares to Other Months

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

This table compares monthly weather conditions in Bauru, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	186 mm (7.3 inches)	88%	extreme
February Weather	25°C (78°F)	143 mm (5.6 inches)	87%	extreme
March Weather	25°C (78°F)	101 mm (4.0 inches)	86%	extreme
April Weather	23°C (74°F)	53 mm (2.1 inches)	82%	extreme
May Weather	21°C (70°F)	36 mm (1.4 inches)	76%	very high
June Weather	20°C (69°F)	20 mm (0.8 inches)	71%	high
July Weather	20°C (68°F)	7 mm (0.3 inches)	67%	high
August Weather	21°C (69°F)	40 mm (1.6 inches)	59%	very high
September Weather	25°C (77°F)	27 mm (1.1 inches)	54%	extreme
October Weather	25°C (77°F)	90 mm (3.5 inches)	50%	extreme
November Weather	25°C (76°F)	122 mm (4.8 inches)	74%	extreme
December Weather	25°C (78°F)	132 mm (5.2 inches)	83%	extreme