September Weather in Rio das Pedras, Brazil

Last updated: August 22, 2025

In September, the average temperature in Rio das Pedras, Brazil is a delightful 24°C (75°F). Expect a range from a cool minimum of 10°C (49°F) to a scorching maximum of 38°C (101°F). With an average humidity of 54%, the atmosphere feels pleasantly warm, complemented by 33 mm (1.3 in) of precipitation spread over 5 days. Prepare for a varied yet inviting climate!

September Temperature in Rio das Pedras

In September in Rio das Pedras, the average temperature is 24°C (75°F). Maximums can reach 38°C (101°F) and minimums can be as low as 10°C (49°F). This variation in temperature makes it essential for travelers to pack accordingly, ensuring comfort from the heat during the day and cooler temperatures at night.

September Weather in Rio das Pedras: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rio das Pedras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio das Pedras, September typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (49°F).

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

September Precipitation in Rio das Pedras

In Rio das Pedras in September, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.

September Precipitation Trends in Rio das Pedras

The chart displays monthly precipitation patterns in Rio das Pedras, 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 Rio das Pedras, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 5 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 Rio das Pedras

In Rio das Pedras in September humidity is 54%. With average temperature 24°C (75°F), this humidity feels like a refreshing breeze that enhances the comfort of traveling, allowing for enjoyable outdoor exploration without the discomfort often associated with higher humidity levels.

September Average Humidity in Rio das Pedras

This chart illustrates the average monthly humidity levels in Rio das Pedras, 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 Rio das Pedras 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 Rio das Pedras

In Rio das Pedras in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Rio das Pedras.

Maximum UV Index Levels in Rio das Pedras for September

The chart shows the monthly maximum UV Index (UVI) for Rio das Pedras 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 Rio das Pedras typically reaches 11, which falls under the extreme exposure category.

Data source: Rio das Pedras 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 Rio das Pedras Compares to Other Months

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

This table compares monthly weather conditions in Rio das Pedras, 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)	189 mm (7.5 inches)	88%	extreme
February Weather	25°C (77°F)	161 mm (6.3 inches)	87%	extreme
March Weather	25°C (77°F)	95 mm (3.8 inches)	86%	extreme
April Weather	23°C (74°F)	46 mm (1.8 inches)	82%	extreme
May Weather	20°C (69°F)	38 mm (1.5 inches)	76%	very high
June Weather	20°C (68°F)	25 mm (1.0 inches)	71%	high
July Weather	19°C (66°F)	9 mm (0.3 inches)	67%	high
August Weather	20°C (68°F)	46 mm (1.8 inches)	59%	very high
September Weather	24°C (75°F)	33 mm (1.3 inches)	54%	extreme
October Weather	24°C (75°F)	97 mm (3.8 inches)	50%	extreme
November Weather	24°C (75°F)	128 mm (5.1 inches)	74%	extreme
December Weather	25°C (77°F)	131 mm (5.2 inches)	83%	extreme