September Weather in Alvear, Argentina

Last updated: August 22, 2025

In September, the average temperature in Alvear, Argentina rests at a comfortable 19°C (67°F). Expect fluctuations, with minimums dipping to 6°C (44°F) and maximums soaring up to 35°C (95°F). During this month, precipitation totals around 140 mm (5.5 in) over approximately 10 days, contributing to an average humidity of 59%, giving you a refreshing but varied climate to enjoy!

September Temperature in Alvear

In September in Alvear, the average temperature is 19°C (67°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 6°C (44°F). Overall, it's a great time to visit for mild weather and a pleasant climate.

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

The chart illustrates September temperature patterns in Alvear, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alvear, September typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (44°F).

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

September Precipitation in Alvear

In Alvear in September, the total precipitation amount is 140 mm (5.5 in) spread over a period of 10 days.

September Precipitation Trends in Alvear

The chart displays monthly precipitation patterns in Alvear, 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 Alvear, September typically receives around 140 mm (5.5 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 Alvear

In Alvear in September humidity is 59%. With an average temperature of 19°C (67°F), this humidity feels like a gentle embrace that can be refreshing during sightseeing but may feel a bit sticky if you're on the move for extended periods.

September Average Humidity in Alvear

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

In Alvear 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 Alvear.

Maximum UV Index Levels in Alvear for September

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

Data source: Alvear 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 Alvear Compares to Other Months

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

This table compares monthly weather conditions in Alvear, 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 (80°F)	180 mm (7.1 inches)	70%	extreme
February Weather	26°C (79°F)	62 mm (2.4 inches)	66%	extreme
March Weather	24°C (76°F)	145 mm (5.7 inches)	73%	extreme
April Weather	21°C (71°F)	134 mm (5.3 inches)	81%	very high
May Weather	17°C (64°F)	163 mm (6.4 inches)	82%	high
June Weather	16°C (61°F)	105 mm (4.1 inches)	77%	moderate
July Weather	15°C (59°F)	60 mm (2.4 inches)	69%	moderate
August Weather	16°C (62°F)	78 mm (3.1 inches)	51%	high
September Weather	19°C (67°F)	140 mm (5.5 inches)	59%	very high
October Weather	21°C (71°F)	138 mm (5.4 inches)	63%	extreme
November Weather	24°C (75°F)	130 mm (5.1 inches)	66%	extreme
December Weather	26°C (78°F)	90 mm (3.5 inches)	81%	extreme