September Weather in Cumaru, Brazil

Last updated: August 22, 2025

In September, the average temperature in Cumaru, Brazil is a pleasant 24°C (75°F). You can expect a minimum temperature of 17°C (64°F) and a maximum of 33°C (91°F). With 79% average humidity and 21 mm (0.8 in) of precipitation spread over 7 days, it’s a great time to enjoy the vibrant atmosphere of the region!

September Temperature in Cumaru

In September in Cumaru, the average temperature is 24°C (75°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 17°C (64°F). This moderate climate makes it an ideal destination for travelers looking to enjoy pleasant weather.

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

The chart illustrates September temperature patterns in Cumaru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cumaru, September typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 17°C (64°F).

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

September Precipitation in Cumaru

In Cumaru in September, the precipitation amount is 21 mm (0.8 in) over the course of 7 days.

September Precipitation Trends in Cumaru

The chart displays monthly precipitation patterns in Cumaru, 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 Cumaru, September typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 7 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Cumaru

In Cumaru in September, humidity is 79%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making traveling quite sticky and requiring ample hydration and light clothing to keep comfortable while exploring.

September Average Humidity in Cumaru

This chart illustrates the average monthly humidity levels in Cumaru, 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 Cumaru is approximately 79%, 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 Cumaru

In Cumaru 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 Cumaru.

Maximum UV Index Levels in Cumaru for September

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

Data source: Cumaru 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 Cumaru Compares to Other Months

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

This table compares monthly weather conditions in Cumaru, 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 (78°F)	39 mm (1.5 inches)	84%	extreme
February Weather	26°C (79°F)	57 mm (2.3 inches)	87%	extreme
March Weather	26°C (79°F)	78 mm (3.1 inches)	88%	extreme
April Weather	25°C (78°F)	69 mm (2.7 inches)	89%	extreme
May Weather	24°C (76°F)	64 mm (2.5 inches)	90%	extreme
June Weather	23°C (74°F)	50 mm (2.0 inches)	89%	extreme
July Weather	23°C (73°F)	39 mm (1.6 inches)	86%	extreme
August Weather	23°C (73°F)	22 mm (0.9 inches)	84%	extreme
September Weather	24°C (75°F)	21 mm (0.8 inches)	79%	extreme
October Weather	25°C (77°F)	18 mm (0.7 inches)	74%	extreme
November Weather	25°C (78°F)	21 mm (0.8 inches)	71%	extreme
December Weather	26°C (78°F)	27 mm (1.1 inches)	72%	extreme