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September Weather in Las Rosas, Argentina

Last updated: August 22, 2025

In September, the average temperature in Las Rosas, Argentina is a pleasant 16°C (61°F). However, temperatures can vary significantly, with a minimum of -1°C (31°F) and a maximum soaring to 36°C (97°F). During this month, expect about 43 mm (1.7 in) of precipitation over 5 days, contributing to an average humidity of 62%. Embrace the mix of weather as you explore the charm of Las Rosas!

September Temperature in Las Rosas

In September in Las Rosas, the average temperature is 16°C (61°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as -1°C (31°F). Pack accordingly to enjoy a comfortable stay, as the weather can vary significantly during this time.

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

The chart illustrates September temperature patterns in Las Rosas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Rosas, September typically has an average temperature of 16°C (61°F), with highs reaching up to 36°C (97°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec767470665853515561657275
Data source: Temperature data for Las Rosas 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 Rosas

In Las Rosas in September, the precipitation amount is 43 mm (1.7 in) over the course of 5 days.

September Precipitation Trends in Las Rosas

The chart displays monthly precipitation patterns in Las Rosas, 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 Rosas, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec11459921288417222544757386
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Las Rosas

In Las Rosas in September, humidity is 62%. With an average temperature of 16°C (61°F), this humidity feels like a gentle blanket, making traveling comfortable yet occasionally sticky, prompting the need for light, breathable clothing to fully enjoy the sights.

September Average Humidity in Las Rosas

This chart illustrates the average monthly humidity levels in Las Rosas, 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 Rosas is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec48%55%64%76%82%77%62%59%62%52%56%51%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Las Rosas

In Las Rosas in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Las Rosas.

Maximum UV Index Levels in Las Rosas for September

The chart shows the monthly maximum UV Index (UVI) for Las Rosas 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 Rosas typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311854468111414
Data source: Las Rosas 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 Rosas Compares to Other Months

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

This table compares monthly weather conditions in Las Rosas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)114 mm (4.5 inches)48%extreme
February Weather23°C (74°F)59 mm (2.3 inches)55%extreme
March Weather21°C (71°F)92 mm (3.6 inches)64%extreme
April Weather19°C (66°F)127 mm (5.0 inches)76%very high
May Weather14°C (58°F)84 mm (3.3 inches)82%moderate
June Weather12°C (53°F)17 mm (0.7 inches)77%moderate
July Weather11°C (52°F)22 mm (0.9 inches)62%moderate
August Weather13°C (56°F)25 mm (1.0 inches)59%high
September Weather16°C (61°F)43 mm (1.7 inches)62%very high
October Weather19°C (66°F)75 mm (3.0 inches)52%extreme
November Weather22°C (72°F)73 mm (2.9 inches)56%extreme
December Weather24°C (75°F)86 mm (3.4 inches)51%extreme

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