September Weather in Macae, Brazil

Last updated: August 22, 2025

In September, the average temperature in Macae, Brazil is a pleasant 22°C (73°F). You can expect the minimum to be around 19°C (66°F), while the maximum can reach up to 30°C (86°F). During this time, the region experiences approximately 55 mm (2.2 in) of precipitation over 7 days, with an average humidity of 75%.

September Temperature in Macae

In September in Macae, the average temperature is 22°C (73°F). Maximum can reach 30°C (86°F) and minimum can be as low as 19°C (66°F). This pleasant climate makes it an ideal time for traveling and exploring all that Macae has to offer.

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

The chart illustrates September temperature patterns in Macae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macae, September typically has an average temperature of 22°C (73°F), with highs reaching up to 30°C (86°F) and lows dropping to around 19°C (66°F).

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

September Precipitation in Macae

In Macae in September, the precipitation amount is 55 mm (2.2 in) over the course of 7 days.

September Precipitation Trends in Macae

The chart displays monthly precipitation patterns in Macae, 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 Macae, September typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 7 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 Macae

In Macae in September humidity is 75%. With an average temperature of 22°C (73°F), this humidity feels like a warm, enveloping embrace, making it essential for travelers to stay hydrated and wear light, breathable clothing to enjoy their adventures comfortably.

September Average Humidity in Macae

This chart illustrates the average monthly humidity levels in Macae, 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 Macae is approximately 75%, 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 Macae

In Macae 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 Macae.

Maximum UV Index Levels in Macae for September

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

Data source: Macae 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 Macae Compares to Other Months

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

This table compares monthly weather conditions in Macae, 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)	71 mm (2.8 inches)	85%	extreme
February Weather	26°C (78°F)	121 mm (4.8 inches)	86%	extreme
March Weather	26°C (79°F)	132 mm (5.2 inches)	84%	extreme
April Weather	25°C (77°F)	60 mm (2.4 inches)	82%	extreme
May Weather	23°C (74°F)	74 mm (2.9 inches)	80%	very high
June Weather	23°C (73°F)	37 mm (1.5 inches)	78%	high
July Weather	21°C (71°F)	23 mm (0.9 inches)	77%	high
August Weather	21°C (71°F)	50 mm (2.0 inches)	75%	very high
September Weather	22°C (73°F)	55 mm (2.2 inches)	75%	extreme
October Weather	23°C (74°F)	102 mm (4.0 inches)	74%	extreme
November Weather	23°C (74°F)	187 mm (7.4 inches)	79%	extreme
December Weather	25°C (77°F)	154 mm (6.1 inches)	81%	extreme