September Weather in Monte Alto, Brazil

Last updated: August 22, 2025

In September, the average temperature in Monte Alto, Brazil hovers around 26°C (78°F), offering a pleasant climate for outdoor activities. However, be prepared for a range, as temperatures can dip as low as 11°C (53°F) and soar up to 38°C (102°F). Typically, precipitation is moderate, averaging 26 mm (1.0 in) over just 3 days of the month, and the average humidity remains a comfortable 41%. Enjoy the diverse weather that September brings to Monte Alto!

September Temperature in Monte Alto

In September in Monte Alto, the average temperature is 26°C (78°F). The maximum can reach 38°C (102°F), and the minimum can be as low as 11°C (53°F). This makes Monte Alto an ideal destination for travelers seeking warm weather with a refreshing cooler option in the evenings.

September Weather in Monte Alto: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Monte Alto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Alto, September typically has an average temperature of 26°C (78°F), with highs reaching up to 38°C (102°F) and lows dropping to around 11°C (53°F).

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

September Precipitation in Monte Alto

In Monte Alto in September, the precipitation amount is 26 mm (1.0 in) recorded over the course of 3 days.

September Precipitation Trends in Monte Alto

The chart displays monthly precipitation patterns in Monte Alto, 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 Monte Alto, September typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 3 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 Monte Alto

In Monte Alto in September humidity is 41%. With an average temperature of 26°C (78°F), this humidity feels like a warm embrace, making it ideal for exploring the vibrant streets while enjoying a slight breeze.

September Average Humidity in Monte Alto

This chart illustrates the average monthly humidity levels in Monte Alto, 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 Monte Alto is approximately 41%, 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 Monte Alto

In Monte Alto 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 Monte Alto.

Maximum UV Index Levels in Monte Alto for September

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

Data source: Monte Alto 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 Monte Alto Compares to Other Months

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

This table compares monthly weather conditions in Monte Alto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	173 mm (6.8 inches)	85%	extreme
February Weather	25°C (77°F)	146 mm (5.8 inches)	87%	extreme
March Weather	25°C (77°F)	102 mm (4.0 inches)	86%	extreme
April Weather	24°C (75°F)	56 mm (2.2 inches)	79%	extreme
May Weather	21°C (70°F)	29 mm (1.1 inches)	68%	very high
June Weather	21°C (70°F)	8 mm (0.3 inches)	60%	high
July Weather	20°C (68°F)	12 mm (0.5 inches)	57%	very high
August Weather	22°C (71°F)	21 mm (0.8 inches)	48%	very high
September Weather	26°C (78°F)	26 mm (1.0 inches)	41%	extreme
October Weather	25°C (78°F)	108 mm (4.3 inches)	35%	extreme
November Weather	25°C (77°F)	159 mm (6.3 inches)	65%	extreme
December Weather	25°C (77°F)	180 mm (7.1 inches)	80%	extreme