September Weather in Alegrete, Brazil

Last updated: August 22, 2025

In September, the average temperature in Alegrete, Brazil hovers around 18°C (65°F). Expect a range that dips to a refreshing 5°C (41°F) and reaches a warm 34°C (93°F). With 155 mm (6.1 in) of precipitation spread over 10 days, it’s wise to prepare for occasional showers. The average humidity sits at a comfortable 59%, making it a pleasant time to explore!

September Temperature in Alegrete

In September in Alegrete, the average temperature is 18°C (65°F). Maximum temperatures can reach up to 34°C (93°F), while minimums can drop as low as 5°C (41°F). This variation makes it an ideal time for travelers to pack layers and enjoy a diverse range of outdoor activities.

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

The chart illustrates September temperature patterns in Alegrete, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alegrete, September typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Alegrete

In Alegrete in September, the total precipitation amount is 155 mm (6.1 in) spread over a period of 10 days.

September Precipitation Trends in Alegrete

The chart displays monthly precipitation patterns in Alegrete, 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 Alegrete, September typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 10 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 Alegrete

In Alegrete in September, humidity is 59%. With an average temperature of 18°C (65°F), this humidity feels like a gentle embrace, providing a refreshing atmosphere that's ideal for exploring the sights without feeling too hot or sticky.

September Average Humidity in Alegrete

This chart illustrates the average monthly humidity levels in Alegrete, 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 Alegrete is approximately 59%, 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 Alegrete

In Alegrete in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Alegrete.

Maximum UV Index Levels in Alegrete for September

The chart shows the monthly maximum UV Index (UVI) for Alegrete 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 Alegrete typically reaches 9, which falls under the very high exposure category.

Data source: Alegrete 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 Alegrete Compares to Other Months

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

This table compares monthly weather conditions in Alegrete, 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)	158 mm (6.2 inches)	70%	extreme
February Weather	25°C (77°F)	76 mm (3.0 inches)	66%	extreme
March Weather	23°C (74°F)	110 mm (4.3 inches)	73%	extreme
April Weather	21°C (70°F)	94 mm (3.7 inches)	81%	very high
May Weather	17°C (62°F)	160 mm (6.3 inches)	82%	high
June Weather	15°C (59°F)	100 mm (3.9 inches)	77%	moderate
July Weather	14°C (57°F)	74 mm (2.9 inches)	69%	moderate
August Weather	15°C (60°F)	93 mm (3.7 inches)	51%	high
September Weather	18°C (65°F)	155 mm (6.1 inches)	59%	very high
October Weather	20°C (68°F)	144 mm (5.7 inches)	63%	extreme
November Weather	23°C (73°F)	118 mm (4.7 inches)	66%	extreme
December Weather	25°C (77°F)	90 mm (3.5 inches)	81%	extreme