September Weather in Baiao, Brazil

Last updated: August 22, 2025

In September, the average temperature in Baiao, Brazil hovers around a warm 29°C (84°F). Expect a comfortable minimum of 23°C (73°F), while highs can reach up to 38°C (100°F). During this time, the area receives about 37 mm (1.5 in) of precipitation over 7 days, contributing to an average humidity of 56%. Whether you're soaking up the sun or enjoying occasional showers, this month offers a vibrant climate perfect for exploration!

September Temperature in Baiao

In September in Baiao, the average temperature is 29°C (84°F), with maximums reaching up to 38°C (100°F) and minimums dropping to as low as 23°C (73°F). This warm climate makes Baiao an ideal destination for travelers seeking enjoyable outdoor activities and relaxation in the sun.

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

The chart illustrates September temperature patterns in Baiao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Baiao, September typically has an average temperature of 29°C (84°F), with highs reaching up to 38°C (100°F) and lows dropping to around 23°C (73°F).

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

September Precipitation in Baiao

In Baiao in September, the precipitation amount is 37 mm (1.5 in) during a span of 7 days.

September Precipitation Trends in Baiao

The chart displays monthly precipitation patterns in Baiao, 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 Baiao, September typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 7 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 Baiao

In Baiao in September, humidity is 56%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket wrapped around you, making traveling a bit sticky but still enjoyable, especially if you stay hydrated and take breaks in the shade.

September Average Humidity in Baiao

This chart illustrates the average monthly humidity levels in Baiao, 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 Baiao is approximately 56%, 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 Baiao

In Baiao 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 Baiao.

Maximum UV Index Levels in Baiao for September

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

Data source: Baiao 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 Baiao Compares to Other Months

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

This table compares monthly weather conditions in Baiao, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (80°F)	298 mm (11.7 inches)	91%	extreme
February Weather	27°C (80°F)	304 mm (12.0 inches)	84%	extreme
March Weather	27°C (80°F)	412 mm (16.2 inches)	82%	extreme
April Weather	27°C (81°F)	299 mm (11.8 inches)	90%	extreme
May Weather	27°C (81°F)	177 mm (7.0 inches)	91%	extreme
June Weather	28°C (82°F)	73 mm (2.9 inches)	84%	extreme
July Weather	28°C (82°F)	58 mm (2.3 inches)	74%	extreme
August Weather	29°C (84°F)	30 mm (1.2 inches)	60%	extreme
September Weather	29°C (84°F)	37 mm (1.5 inches)	56%	extreme
October Weather	29°C (84°F)	35 mm (1.4 inches)	55%	extreme
November Weather	29°C (84°F)	131 mm (5.2 inches)	56%	extreme
December Weather	28°C (82°F)	206 mm (8.1 inches)	79%	extreme