September Weather in Uruguaiana, Brazil

Last updated: August 22, 2025

In Uruguaiana, Brazil, the average temperature in September hovers around 18°C (65°F), offering a pleasant climate for outdoor activities. However, temperatures can vary significantly, with minimums dropping to 5°C (41°F) and maximums soaring to 35°C (95°F). Expect 132 mm (5.2 in) of precipitation over 9 days, all while enjoying an average humidity level of 59%. Make sure to pack accordingly for a delightful experience!

September Temperature in Uruguaiana

In September in Uruguaiana, the average temperature is 18°C (65°F). Maximum temperatures can reach 35°C (95°F), while minimum temperatures can drop as low as 5°C (41°F). This varied climate makes Uruguaiana an ideal destination for travelers seeking to experience both warm and mild weather during their trip.

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

The chart illustrates September temperature patterns in Uruguaiana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uruguaiana, September typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Uruguaiana

In Uruguaiana in September, the total precipitation amount is 132 mm (5.2 in) over a span of 9 days.

September Precipitation Trends in Uruguaiana

The chart displays monthly precipitation patterns in Uruguaiana, 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 Uruguaiana, September typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 9 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 Uruguaiana

In Uruguaiana 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 Uruguaiana

This chart illustrates the average monthly humidity levels in Uruguaiana, 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 Uruguaiana 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 Uruguaiana

In Uruguaiana 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 Uruguaiana.

Maximum UV Index Levels in Uruguaiana for September

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

Data source: Uruguaiana 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 Uruguaiana Compares to Other Months

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

This table compares monthly weather conditions in Uruguaiana, 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 (80°F)	167 mm (6.6 inches)	70%	extreme
February Weather	25°C (78°F)	71 mm (2.8 inches)	66%	extreme
March Weather	24°C (75°F)	105 mm (4.1 inches)	73%	extreme
April Weather	21°C (70°F)	125 mm (4.9 inches)	81%	very high
May Weather	17°C (63°F)	135 mm (5.3 inches)	82%	high
June Weather	15°C (59°F)	90 mm (3.6 inches)	77%	moderate
July Weather	14°C (57°F)	60 mm (2.4 inches)	69%	moderate
August Weather	16°C (60°F)	83 mm (3.3 inches)	51%	high
September Weather	18°C (65°F)	132 mm (5.2 inches)	59%	very high
October Weather	20°C (69°F)	137 mm (5.4 inches)	63%	extreme
November Weather	23°C (74°F)	108 mm (4.3 inches)	66%	extreme
December Weather	25°C (78°F)	84 mm (3.3 inches)	81%	extreme