September Weather in Pirai, Brazil

Last updated: August 22, 2025

In September, the average temperature in Pirai, Brazil is a comfortable 22°C (71°F), with a minimum of 13°C (55°F) and occasionally soaring to a maximum of 36°C (97°F). Expect about 63 mm (2.5 in) of precipitation spread over 9 days, while enjoying an average humidity level of 68%.

September Temperature in Pirai

In September in Pirai, the average temperature is 22°C (71°F). Maximum temperatures can reach up to 36°C (97°F), while minimums can drop as low as 13°C (55°F). This makes Pirai a great destination for travelers seeking a pleasant climate and a mix of warm and cooler days.

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

The chart illustrates September temperature patterns in Pirai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pirai, September typically has an average temperature of 22°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Pirai

In Pirai in September, the total precipitation amount is 63 mm (2.5 in) spread over a duration of 9 days.

September Precipitation Trends in Pirai

The chart displays monthly precipitation patterns in 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 Pirai, September typically receives around 63 mm (2.5 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 Pirai

In Pirai in September, humidity is 68%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making traveling quite pleasant yet slightly sticky as you explore the sights.

September Average Humidity in Pirai

This chart illustrates the average monthly humidity levels in 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 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 Pirai

In 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 Pirai.

Maximum UV Index Levels in Pirai for September

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

Data source: 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 Pirai Compares to Other Months

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

This table compares monthly weather conditions in 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)	245 mm (9.6 inches)	85%	extreme
February Weather	24°C (76°F)	246 mm (9.7 inches)	85%	extreme
March Weather	24°C (76°F)	223 mm (8.8 inches)	86%	extreme
April Weather	22°C (73°F)	103 mm (4.1 inches)	83%	extreme
May Weather	20°C (69°F)	75 mm (3.0 inches)	81%	very high
June Weather	20°C (68°F)	40 mm (1.6 inches)	80%	high
July Weather	19°C (66°F)	31 mm (1.2 inches)	76%	high
August Weather	19°C (67°F)	64 mm (2.5 inches)	73%	very high
September Weather	22°C (71°F)	63 mm (2.5 inches)	68%	extreme
October Weather	22°C (73°F)	134 mm (5.3 inches)	61%	extreme
November Weather	22°C (72°F)	190 mm (7.5 inches)	72%	extreme
December Weather	24°C (75°F)	236 mm (9.3 inches)	75%	extreme