September Weather in Marechal Deodoro, Brazil

Last updated: August 22, 2025

In September, the average temperature in Marechal Deodoro, Brazil hovers around 25°C (77°F), making for a pleasantly warm atmosphere. Expect a minimum of 19°C (67°F) and a maximum of 31°C (88°F). With precipitation totaling 68 mm (2.7 in) over 20 days, don't forget to pack your umbrella! The average humidity sits at a comfortable 79%, ensuring an enjoyable experience for visitors.

September Temperature in Marechal Deodoro

In September in Marechal Deodoro, the average temperature is 25°C (77°F). The maximum can reach 31°C (88°F), while the minimum can drop to as low as 19°C (67°F). This pleasant climate makes it an ideal time for outdoor adventures and sightseeing.

September Weather in Marechal Deodoro: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Marechal Deodoro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marechal Deodoro, September typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (88°F) and lows dropping to around 19°C (67°F).

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

September Precipitation in Marechal Deodoro

In Marechal Deodoro in September, the precipitation amount is 68 mm (2.7 in) occurring over a span of 20 days.

September Precipitation Trends in Marechal Deodoro

The chart displays monthly precipitation patterns in Marechal Deodoro, 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 Marechal Deodoro, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 20 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 Marechal Deodoro

In Marechal Deodoro in September, humidity is 79%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sluggish but pleasantly tropical.

September Average Humidity in Marechal Deodoro

This chart illustrates the average monthly humidity levels in Marechal Deodoro, 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 Marechal Deodoro 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 Marechal Deodoro

In Marechal Deodoro 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 Marechal Deodoro.

Maximum UV Index Levels in Marechal Deodoro for September

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

Data source: Marechal Deodoro 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 Marechal Deodoro Compares to Other Months

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

This table compares monthly weather conditions in Marechal Deodoro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	52 mm (2.0 inches)	84%	extreme
February Weather	27°C (81°F)	60 mm (2.4 inches)	87%	extreme
March Weather	27°C (81°F)	118 mm (4.7 inches)	88%	extreme
April Weather	27°C (80°F)	136 mm (5.4 inches)	89%	extreme
May Weather	26°C (78°F)	136 mm (5.4 inches)	90%	extreme
June Weather	25°C (77°F)	129 mm (5.1 inches)	89%	very high
July Weather	24°C (75°F)	156 mm (6.2 inches)	86%	very high
August Weather	24°C (75°F)	95 mm (3.7 inches)	84%	extreme
September Weather	25°C (77°F)	68 mm (2.7 inches)	79%	extreme
October Weather	26°C (79°F)	40 mm (1.6 inches)	74%	extreme
November Weather	27°C (80°F)	40 mm (1.6 inches)	71%	extreme
December Weather	27°C (81°F)	50 mm (2.0 inches)	72%	extreme