September Weather in Monte Caseros, Argentina

Last updated: August 22, 2025

The average temperature in Monte Caseros, Argentina during September is a pleasant 17°C (64°F), making it a great time to explore. You can expect temperatures to vary, with a minimum of 3°C (39°F) and a maximum of 35°C (94°F). With an average precipitation of 137 mm (5.4 in) spread across 9 days, and humidity levels around 60%, it's wise to pack accordingly for a balance of sun and occasional rain.

September Temperature in Monte Caseros

In September in Monte Caseros, the average temperature is 17°C (64°F). Maximums can reach 35°C (94°F), while minimums can drop to as low as 3°C (39°F). This climate makes Monte Caseros an ideal destination for travelers who enjoy a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Monte Caseros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Caseros, September typically has an average temperature of 17°C (64°F), with highs reaching up to 35°C (94°F) and lows dropping to around 3°C (39°F).

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

September Precipitation in Monte Caseros

In Monte Caseros in September, the total precipitation amount is 137 mm (5.4 in) over the course of 9 days.

September Precipitation Trends in Monte Caseros

The chart displays monthly precipitation patterns in Monte Caseros, 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 Caseros, September typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 9 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 Caseros

In Monte Caseros in September, humidity is 60%. With an average temperature of 17°C (64°F), this humidity feels like a warm embrace that may leave you feeling slightly sticky while exploring the sights, so be sure to stay hydrated and wear breathable clothing for a comfortable traveling experience.

September Average Humidity in Monte Caseros

This chart illustrates the average monthly humidity levels in Monte Caseros, 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 Caseros is approximately 60%, 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 Caseros

In Monte Caseros 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 Monte Caseros.

Maximum UV Index Levels in Monte Caseros for September

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

Data source: Monte Caseros 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 Caseros Compares to Other Months

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

This table compares monthly weather conditions in Monte Caseros, 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)	150 mm (5.9 inches)	59%	extreme
February Weather	25°C (78°F)	99 mm (3.9 inches)	56%	extreme
March Weather	23°C (74°F)	99 mm (3.9 inches)	69%	extreme
April Weather	20°C (69°F)	118 mm (4.7 inches)	78%	very high
May Weather	16°C (61°F)	138 mm (5.4 inches)	82%	high
June Weather	14°C (57°F)	93 mm (3.7 inches)	81%	moderate
July Weather	13°C (56°F)	61 mm (2.4 inches)	66%	moderate
August Weather	15°C (59°F)	94 mm (3.7 inches)	54%	high
September Weather	17°C (64°F)	137 mm (5.4 inches)	60%	very high
October Weather	20°C (68°F)	117 mm (4.6 inches)	59%	extreme
November Weather	23°C (73°F)	106 mm (4.2 inches)	57%	extreme
December Weather	25°C (77°F)	74 mm (2.9 inches)	68%	extreme