September Weather in Pires do Rio, Brazil

Last updated: August 22, 2025

In September, the average temperature in Pires do Rio, Brazil hovers around 25°C (78°F). Expect a refreshing dip with minimums around 12°C (54°F), while highs can soar to a sizzling 37°C (99°F). Prepare for a touch of rain, as 13 mm (0.5 in) of precipitation may fall over just 2 days. Additionally, the average humidity sits comfortably at 36%, making for a pleasant climate overall.

September Temperature in Pires do Rio

In September in Pires do Rio, the average temperature is 25°C (78°F). Maximums can reach 37°C (99°F) and minimums can be as low as 12°C (54°F). This climate makes Pires do Rio an ideal destination for travelers seeking warm weather and a pleasant getaway.

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

The chart illustrates September temperature patterns in Pires do Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pires do Rio, September typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in Pires do Rio

In Pires do Rio in September, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

September Precipitation Trends in Pires do Rio

The chart displays monthly precipitation patterns in Pires do Rio, 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 Pires do Rio, September typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 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 Pires do Rio

In Pires do Rio in September, humidity is 36%. With an average temperature of 25°C (78°F), this humidity feels like a comfortable embrace, making it a pleasant experience for traveling.

September Average Humidity in Pires do Rio

This chart illustrates the average monthly humidity levels in Pires do Rio, 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 Pires do Rio is approximately 36%, 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 Pires do Rio

In Pires do Rio in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Pires do Rio.

Maximum UV Index Levels in Pires do Rio for September

The chart shows the monthly maximum UV Index (UVI) for Pires do Rio 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 Pires do Rio typically reaches 12, which falls under the extreme exposure category.

Data source: Pires do Rio 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 Pires do Rio Compares to Other Months

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

This table compares monthly weather conditions in Pires do Rio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (76°F)	134 mm (5.3 inches)	85%	extreme
February Weather	24°C (75°F)	225 mm (8.9 inches)	89%	extreme
March Weather	24°C (75°F)	122 mm (4.8 inches)	89%	extreme
April Weather	23°C (74°F)	72 mm (2.8 inches)	80%	extreme
May Weather	22°C (71°F)	18 mm (0.7 inches)	67%	very high
June Weather	21°C (70°F)	1 mm (0.0 inches)	62%	very high
July Weather	20°C (68°F)	0 mm (0.0 inches)	56%	very high
August Weather	23°C (73°F)	2 mm (0.1 inches)	47%	extreme
September Weather	25°C (78°F)	13 mm (0.5 inches)	36%	extreme
October Weather	26°C (79°F)	102 mm (4.0 inches)	28%	extreme
November Weather	24°C (75°F)	187 mm (7.4 inches)	58%	extreme
December Weather	24°C (75°F)	201 mm (7.9 inches)	76%	extreme