September Weather in Barra do Pirai, Brazil

Last updated: August 22, 2025

In September, the average temperature in Barra do Pirai, Brazil is a pleasant 22°C (72°F). However, temperatures can vary, with minimums dipping to 12°C (53°F) and maximums soaring up to 36°C (97°F). Expect about 52 mm (2.0 in) of precipitation spread over 8 days, contributing to an average humidity of 68%.

September Temperature in Barra do Pirai

In September in Barra do Pirai, the average temperature is 22°C (72°F). Maximums can reach 36°C (97°F), while minimums can drop to as low as 12°C (53°F). This pleasant climate makes Barra do Pirai an ideal destination for travelers seeking warm weather adventures.

September Weather in Barra do Pirai: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Barra do Pirai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barra do Pirai, September typically has an average temperature of 22°C (72°F), with highs reaching up to 36°C (97°F) and lows dropping to around 12°C (53°F).

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

September Precipitation in Barra do Pirai

In Barra do Pirai in September, the total precipitation amount is 52 mm (2.0 in) recorded over a span of 8 days.

September Precipitation Trends in Barra do Pirai

The chart displays monthly precipitation patterns in Barra do Pirai, 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 Barra do Pirai, September typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 8 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 Barra do Pirai

In Barra do Pirai in September humidity is 68%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, slightly stifling but still manageable for traveling, creating an atmosphere that encourages leisurely outdoor activities while prompting occasional breaks for refreshment.

September Average Humidity in Barra do Pirai

This chart illustrates the average monthly humidity levels in Barra do Pirai, 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 Barra do Pirai 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 Barra do Pirai

In Barra do Pirai 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 Barra do Pirai.

Maximum UV Index Levels in Barra do Pirai for September

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

Data source: Barra do Pirai 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 Barra do Pirai Compares to Other Months

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

This table compares monthly weather conditions in Barra do Pirai, 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)	201 mm (7.9 inches)	85%	extreme
February Weather	24°C (76°F)	243 mm (9.6 inches)	85%	extreme
March Weather	24°C (76°F)	177 mm (7.0 inches)	86%	extreme
April Weather	22°C (72°F)	76 mm (3.0 inches)	83%	extreme
May Weather	20°C (68°F)	59 mm (2.3 inches)	81%	very high
June Weather	20°C (68°F)	29 mm (1.1 inches)	80%	high
July Weather	18°C (65°F)	20 mm (0.8 inches)	76%	high
August Weather	19°C (66°F)	48 mm (1.9 inches)	73%	very high
September Weather	22°C (72°F)	52 mm (2.0 inches)	68%	extreme
October Weather	22°C (73°F)	117 mm (4.6 inches)	61%	extreme
November Weather	22°C (72°F)	205 mm (8.1 inches)	72%	extreme
December Weather	24°C (75°F)	228 mm (9.0 inches)	75%	extreme