September Weather in Umbauba, Brazil

Last updated: August 22, 2025

In September, the average temperature in Umbauba, Brazil hovers around 24°C (76°F), providing a pleasant climate for various activities. However, be prepared for temperature fluctuations, as it can dip to a minimum of 18°C (64°F) and reach a maximum of 32°C (90°F). With 66 mm (2.6 in) of precipitation expected over 18 days, bringing an umbrella is wise. Additionally, the average humidity sits at a comfortable 70%, ensuring a tropical feel throughout the month.

September Temperature in Umbauba

In September in Umbauba, the average temperature is 24°C (76°F). Maximums can reach 32°C (90°F) and minimums can be as low as 18°C (64°F). This makes it an ideal time to explore the outdoors and enjoy various activities in Umbauba.

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

The chart illustrates September temperature patterns in Umbauba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Umbauba, September typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (90°F) and lows dropping to around 18°C (64°F).

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

September Precipitation in Umbauba

In Umbauba in September, the precipitation amount is 66 mm (2.6 in) spread over 18 days.

September Precipitation Trends in Umbauba

The chart displays monthly precipitation patterns in Umbauba, 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 Umbauba, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 18 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 Umbauba

In Umbauba in September, humidity is 70%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit sticky and heavier, so travelers should stay hydrated and take regular breaks to enjoy the sights comfortably.

September Average Humidity in Umbauba

This chart illustrates the average monthly humidity levels in Umbauba, 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 Umbauba is approximately 70%, 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 Umbauba

In Umbauba in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Umbauba.

Maximum UV Index Levels in Umbauba for September

The chart shows the monthly maximum UV Index (UVI) for Umbauba 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 Umbauba typically reaches 12, which falls under the extreme exposure category.

Data source: Umbauba 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 Umbauba Compares to Other Months

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

This table compares monthly weather conditions in Umbauba, 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)	39 mm (1.5 inches)	76%	extreme
February Weather	28°C (82°F)	38 mm (1.5 inches)	84%	extreme
March Weather	27°C (81°F)	81 mm (3.2 inches)	89%	extreme
April Weather	27°C (80°F)	121 mm (4.8 inches)	91%	extreme
May Weather	25°C (78°F)	126 mm (5.0 inches)	89%	extreme
June Weather	24°C (76°F)	110 mm (4.3 inches)	87%	very high
July Weather	23°C (74°F)	95 mm (3.8 inches)	80%	very high
August Weather	23°C (74°F)	67 mm (2.7 inches)	75%	extreme
September Weather	24°C (76°F)	66 mm (2.6 inches)	70%	extreme
October Weather	26°C (79°F)	40 mm (1.6 inches)	66%	extreme
November Weather	26°C (80°F)	59 mm (2.3 inches)	61%	extreme
December Weather	27°C (80°F)	55 mm (2.2 inches)	61%	extreme