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September Weather in Las Brenas, Argentina

Last updated: August 22, 2025

In September, the average temperature in Las Brenas, Argentina hovers around 21°C (70°F), offering a comfortable escape. However, temperatures can vary significantly, with minimums dipping to 4°C (39°F) and maximums soaring up to 43°C (110°F). During this month, expect about 52 mm (2.1 in) of precipitation spread across 7 days, complemented by an average humidity level of 45%, ensuring a pleasantly moderate environment.

September Temperature in Las Brenas

In September in Las Brenas, the average temperature is 21°C (70°F). Maximums can reach 43°C (110°F), and minimums can be as low as 4°C (39°F). Be prepared for a wide range of temperatures during your travels, packing both light clothing for the heat and layers for cooler evenings.

September Weather in Las Brenas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Las Brenas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Brenas, September typically has an average temperature of 21°C (70°F), with highs reaching up to 43°C (110°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec828077716460596369747781
Data source: Temperature data for Las Brenas generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Las Brenas

In Las Brenas in September, the precipitation amount is 52 mm (2.1 in) over the course of 7 days.

September Precipitation Trends in Las Brenas

The chart displays monthly precipitation patterns in Las Brenas, 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 Las Brenas, September typically receives around 52 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec141991148672403130537413169
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Las Brenas

In Las Brenas in September humidity is 45%. With an average temperature of 21°C (70°F), this humidity feels like a comfortable embrace while traveling, allowing for pleasant outdoor exploration without feeling overly sticky or oppressive.

September Average Humidity in Las Brenas

This chart illustrates the average monthly humidity levels in Las Brenas, 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 Las Brenas is approximately 45%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%65%69%78%84%70%51%36%45%46%61%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Las Brenas

In Las Brenas in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Las Brenas.

Maximum UV Index Levels in Las Brenas for September

The chart shows the monthly maximum UV Index (UVI) for Las Brenas 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 Las Brenas typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310756810131414
Data source: Las Brenas 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 Las Brenas Compares to Other Months

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

This table compares monthly weather conditions in Las Brenas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (83°F)141 mm (5.6 inches)72%extreme
February Weather27°C (80°F)99 mm (3.9 inches)65%extreme
March Weather25°C (77°F)114 mm (4.5 inches)69%extreme
April Weather22°C (71°F)86 mm (3.4 inches)78%very high
May Weather18°C (65°F)72 mm (2.8 inches)84%high
June Weather16°C (61°F)40 mm (1.6 inches)70%moderate
July Weather15°C (59°F)31 mm (1.2 inches)51%high
August Weather17°C (64°F)30 mm (1.2 inches)36%very high
September Weather21°C (70°F)52 mm (2.1 inches)45%very high
October Weather23°C (74°F)74 mm (2.9 inches)46%extreme
November Weather25°C (78°F)131 mm (5.2 inches)61%extreme
December Weather27°C (82°F)68 mm (2.7 inches)76%extreme

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