September Weather in Sume, Brazil

Last updated: August 22, 2025

In Sume, Brazil, the average temperature in September is a pleasant 25°C (77°F). Expect variations, with minimums dropping to 16°C (62°F) and maximums soaring to 35°C (96°F). The weather is generally dry, with an average precipitation of just 3 mm (0.1 in) over 0 days, and a comfortable average humidity of 72%.

September Temperature in Sume

In September in Sume, the average temperature is 25°C (77°F). The maximum can reach 35°C (96°F), while the minimum can be as low as 16°C (62°F). This moderate climate makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions comfortably.

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

The chart illustrates September temperature patterns in Sume, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sume, September typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (96°F) and lows dropping to around 16°C (62°F).

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

September Precipitation in Sume

In Sume in September, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

September Precipitation Trends in Sume

The chart displays monthly precipitation patterns in Sume, 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 Sume, September typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 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 Sume

In Sume in September, humidity is 72%. With an average temperature of 25°C (77°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration both vibrant and a bit taxing as you sweat slightly more and seek shade often while enjoying the scenery.

September Average Humidity in Sume

This chart illustrates the average monthly humidity levels in Sume, 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 Sume is approximately 72%, 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 Sume

In Sume in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Sume, you can check here.

Maximum UV Index Levels in Sume for September

The chart shows the monthly maximum UV Index (UVI) for Sume 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 Sume typically reaches 14, which falls under the extreme exposure category.

Data source: Sume 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 Sume Compares to Other Months

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

This table compares monthly weather conditions in Sume, 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 (80°F)	18 mm (0.7 inches)	86%	extreme
February Weather	27°C (80°F)	53 mm (2.1 inches)	89%	extreme
March Weather	26°C (79°F)	96 mm (3.8 inches)	89%	extreme
April Weather	26°C (78°F)	74 mm (2.9 inches)	89%	extreme
May Weather	25°C (77°F)	36 mm (1.4 inches)	90%	extreme
June Weather	24°C (75°F)	17 mm (0.7 inches)	86%	extreme
July Weather	23°C (73°F)	21 mm (0.8 inches)	80%	extreme
August Weather	24°C (75°F)	5 mm (0.2 inches)	77%	extreme
September Weather	25°C (77°F)	3 mm (0.1 inches)	72%	extreme
October Weather	26°C (79°F)	2 mm (0.1 inches)	68%	extreme
November Weather	27°C (80°F)	4 mm (0.1 inches)	66%	extreme
December Weather	27°C (80°F)	14 mm (0.5 inches)	70%	extreme