September Weather in Sao Joao de Pirabas, Brazil

Last updated: August 22, 2025

In September, the average temperature in Sao Joao de Pirabas, Brazil hovers around 27°C (81°F), with minimums dipping to 24°C (75°F) and maximums reaching up to 31°C (88°F). Expect slightly wet conditions, as there is an average precipitation of 27 mm (1.1 in) over approximately 9 days. With an average humidity of 78%, the atmosphere feels pleasantly warm and tropical.

September Temperature in Sao Joao de Pirabas

In September in Sao Joao de Pirabas, the average temperature is 27°C (81°F). Maximums can reach 31°C (88°F) and minimums can be as low as 24°C (75°F). This pleasant weather makes Sao Joao de Pirabas an ideal destination for travelers seeking warmth and sunshine.

September Weather in Sao Joao de Pirabas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sao Joao de Pirabas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Joao de Pirabas, September typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (75°F).

Data source: Temperature data for Sao Joao de Pirabas generated using information from the Copernicus Climate Change Service.

September Precipitation in Sao Joao de Pirabas

In Sao Joao de Pirabas in September, the precipitation amount is 27 mm (1.1 in) spread over 9 days.

September Precipitation Trends in Sao Joao de Pirabas

The chart displays monthly precipitation patterns in Sao Joao de Pirabas, 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 Sao Joao de Pirabas, September typically receives around 27 mm (1.1 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 Sao Joao de Pirabas

In Sao Joao de Pirabas in September humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.

September Average Humidity in Sao Joao de Pirabas

This chart illustrates the average monthly humidity levels in Sao Joao de Pirabas, 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 Sao Joao de Pirabas is approximately 78%, 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 Sao Joao de Pirabas

In Sao Joao de Pirabas 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 Sao Joao de Pirabas.

Maximum UV Index Levels in Sao Joao de Pirabas for September

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

Data source: Sao Joao de Pirabas 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 Sao Joao de Pirabas Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao de Pirabas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	272 mm (10.7 inches)	87%	extreme
February Weather	26°C (79°F)	612 mm (24.1 inches)	84%	extreme
March Weather	26°C (79°F)	554 mm (21.8 inches)	84%	extreme
April Weather	26°C (79°F)	499 mm (19.7 inches)	87%	extreme
May Weather	26°C (80°F)	349 mm (13.7 inches)	87%	extreme
June Weather	27°C (81°F)	179 mm (7.1 inches)	83%	extreme
July Weather	27°C (81°F)	126 mm (5.0 inches)	81%	extreme
August Weather	27°C (81°F)	52 mm (2.0 inches)	79%	extreme
September Weather	27°C (81°F)	27 mm (1.1 inches)	78%	extreme
October Weather	28°C (82°F)	28 mm (1.1 inches)	77%	extreme
November Weather	28°C (82°F)	52 mm (2.0 inches)	78%	extreme
December Weather	27°C (81°F)	175 mm (6.9 inches)	84%	extreme