September Weather in Rio Bonito, Brazil

Last updated: August 22, 2025

In September, the average temperature in Rio Bonito, Brazil hovers around 23°C (73°F), offering a pleasant climate for outdoor activities. Temperatures can vary, with a minimum of 15°C (59°F) and a maximum peak reaching 35°C (96°F). Visitors should be prepared for some rain, as the area receives about 66 mm (2.6 in) of precipitation over 9 days. With an average humidity of 68%, the air can feel quite comfortable, making it an ideal time to explore!

September Temperature in Rio Bonito

In September in Rio Bonito, the average temperature is 23°C (73°F). Maximums can reach 35°C (96°F), while minimums can drop to as low as 15°C (59°F). This makes it an ideal time for travelers to enjoy a pleasant mix of warm and cooler days.

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

The chart illustrates September temperature patterns in Rio Bonito, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Bonito, September typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (96°F) and lows dropping to around 15°C (59°F).

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

September Precipitation in Rio Bonito

In Rio Bonito in September, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

September Precipitation Trends in Rio Bonito

The chart displays monthly precipitation patterns in Rio Bonito, 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 Bonito, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 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 Bonito

In Rio Bonito in September humidity is 68%. With an average temperature of 23°C (73°F), this humidity feels like a soft blanket wrapping around you, making every step outside feel a bit heavier, but offering a warm embrace that encourages leisurely exploration and a relaxed pace for travel.

September Average Humidity in Rio Bonito

This chart illustrates the average monthly humidity levels in Rio Bonito, 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 Bonito is approximately 68%, 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 Bonito

In Rio Bonito 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 Bonito.

Maximum UV Index Levels in Rio Bonito for September

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

Data source: Rio Bonito 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 Bonito Compares to Other Months

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

This table compares monthly weather conditions in Rio Bonito, 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)	159 mm (6.2 inches)	85%	extreme
February Weather	26°C (79°F)	208 mm (8.2 inches)	85%	extreme
March Weather	26°C (79°F)	199 mm (7.8 inches)	86%	extreme
April Weather	24°C (76°F)	103 mm (4.0 inches)	83%	extreme
May Weather	22°C (72°F)	75 mm (3.0 inches)	81%	very high
June Weather	22°C (71°F)	46 mm (1.8 inches)	80%	high
July Weather	20°C (69°F)	31 mm (1.2 inches)	76%	high
August Weather	21°C (69°F)	68 mm (2.7 inches)	73%	very high
September Weather	23°C (73°F)	66 mm (2.6 inches)	68%	extreme
October Weather	23°C (74°F)	118 mm (4.7 inches)	61%	extreme
November Weather	23°C (74°F)	211 mm (8.3 inches)	72%	extreme
December Weather	25°C (77°F)	222 mm (8.7 inches)	75%	extreme