September Weather in Macapa, Brazil

Last updated: August 22, 2025

In Macapa, Brazil, the average temperature in September is a warm 29°C (84°F). Expect temperatures to range from a comfortable 24°C (76°F) to a balmy 33°C (92°F). During this month, precipitation averages 41 mm (1.6 in) over 12 days, and the air carries a moderate humidity level of 54%.

September Temperature in Macapa

In September in Macapa, the average temperature is 29°C (84°F). Maximums can reach 33°C (92°F), while minimums can drop to as low as 24°C (76°F). This warm climate makes Macapa an ideal destination for travelers seeking a mix of sun and pleasant evenings.

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

The chart illustrates September temperature patterns in Macapa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macapa, September typically has an average temperature of 29°C (84°F), with highs reaching up to 33°C (92°F) and lows dropping to around 24°C (76°F).

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

September Precipitation in Macapa

In Macapa in September, the precipitation amount is 41 mm (1.6 in) over the course of 12 days.

September Precipitation Trends in Macapa

The chart displays monthly precipitation patterns in Macapa, 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 Macapa, September typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 12 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 Macapa

In Macapa in September humidity is 54%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making travel enjoyable but requiring regular hydration and occasional breaks in the shade to stay comfortable.

September Average Humidity in Macapa

This chart illustrates the average monthly humidity levels in Macapa, 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 Macapa is approximately 54%, 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 Macapa

In Macapa 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 Macapa.

Maximum UV Index Levels in Macapa for September

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

Data source: Macapa 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 Macapa Compares to Other Months

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

This table compares monthly weather conditions in Macapa, 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)	267 mm (10.5 inches)	82%	extreme
February Weather	26°C (79°F)	371 mm (14.6 inches)	66%	extreme
March Weather	26°C (79°F)	348 mm (13.7 inches)	61%	extreme
April Weather	26°C (80°F)	463 mm (18.2 inches)	73%	extreme
May Weather	27°C (80°F)	424 mm (16.7 inches)	87%	extreme
June Weather	27°C (81°F)	249 mm (9.8 inches)	86%	extreme
July Weather	27°C (81°F)	185 mm (7.3 inches)	71%	extreme
August Weather	28°C (83°F)	84 mm (3.3 inches)	58%	extreme
September Weather	29°C (84°F)	41 mm (1.6 inches)	54%	extreme
October Weather	29°C (84°F)	24 mm (0.9 inches)	54%	extreme
November Weather	28°C (83°F)	101 mm (4.0 inches)	56%	extreme
December Weather	27°C (81°F)	223 mm (8.8 inches)	72%	extreme