September Weather in Arenapolis, Brazil

Last updated: August 22, 2025

In Arenapolis, Brazil, the average temperature in September hovers around 29°C (85°F), with a minimum of 14°C (57°F) and scorching highs reaching up to 41°C (106°F). During this month, you can expect about 26 mm (1.0 in) of precipitation spread over 5 days, while the average humidity remains relatively low at 30%.

September Temperature in Arenapolis

In September in Arenapolis, the average temperature is 29°C (85°F). The maximum can reach 41°C (106°F), and the minimum can be as low as 14°C (57°F). It’s a great time to visit if you enjoy warm weather, but be prepared for potential heat extremes and pack accordingly!

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

The chart illustrates September temperature patterns in Arenapolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arenapolis, September typically has an average temperature of 29°C (85°F), with highs reaching up to 41°C (106°F) and lows dropping to around 14°C (57°F).

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

September Precipitation in Arenapolis

In Arenapolis in September, the precipitation amount is 26 mm (1.0 in) over the course of 5 days.

September Precipitation Trends in Arenapolis

The chart displays monthly precipitation patterns in Arenapolis, 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 Arenapolis, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 5 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 Arenapolis

In Arenapolis in September humidity is 30%. With an average temperature of 29°C (85°F), this humidity feels like a comfortable warm breeze, making it ideal for exploring the attractions and enjoying outdoor activities without feeling stifling or overly sticky.

September Average Humidity in Arenapolis

This chart illustrates the average monthly humidity levels in Arenapolis, 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 Arenapolis is approximately 30%, 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 Arenapolis

In Arenapolis 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 Arenapolis.

Maximum UV Index Levels in Arenapolis for September

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

Data source: Arenapolis 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 Arenapolis Compares to Other Months

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

This table compares monthly weather conditions in Arenapolis, 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 (80°F)	155 mm (6.1 inches)	88%	extreme
February Weather	26°C (79°F)	239 mm (9.4 inches)	88%	extreme
March Weather	26°C (80°F)	195 mm (7.7 inches)	89%	extreme
April Weather	26°C (79°F)	91 mm (3.6 inches)	87%	extreme
May Weather	25°C (77°F)	25 mm (1.0 inches)	78%	very high
June Weather	24°C (76°F)	4 mm (0.1 inches)	63%	very high
July Weather	24°C (76°F)	0 mm (0.0 inches)	50%	very high
August Weather	27°C (80°F)	8 mm (0.3 inches)	39%	extreme
September Weather	29°C (85°F)	26 mm (1.0 inches)	30%	extreme
October Weather	28°C (83°F)	91 mm (3.6 inches)	29%	extreme
November Weather	27°C (81°F)	181 mm (7.1 inches)	62%	extreme
December Weather	27°C (80°F)	202 mm (8.0 inches)	84%	extreme