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September Weather in Caseros, Argentina

Last updated: August 22, 2025

In September, the average temperature in Caseros, Argentina is a comfortable 15°C (59°F). Expect a range from a brisk 3°C (38°F) to a warm 27°C (81°F). During this month, you'll encounter 86 mm (3.4 in) of precipitation spread over about 6 days, with an average humidity of 72% for a pleasantly refreshing atmosphere.

September Temperature in Caseros

In September in Caseros, the average temperature is 15°C (59°F), with a maximum that can reach 27°C (81°F) and a minimum as low as 3°C (38°F). This makes it an ideal time for travelers who enjoy mild weather and the opportunity to explore both warm and cooler conditions.

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

The chart illustrates September temperature patterns in Caseros, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caseros, September typically has an average temperature of 15°C (59°F), with highs reaching up to 27°C (81°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec767471665954525459636973
Data source: Temperature data for Caseros 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 Caseros

In Caseros in September, the total precipitation amount is 86 mm (3.4 in) and occurs over the course of 6 days.

September Precipitation Trends in Caseros

The chart displays monthly precipitation patterns in 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 Caseros, September typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5972778280667551861037766
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Caseros

In Caseros in September humidity is 72%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket wrapping around you, creating a sultry atmosphere that can make traveling a bit uncomfortable. The stickiness in the air can leave you feeling sluggish, so it’s advisable to stay hydrated and take breaks often while exploring.

September Average Humidity in Caseros

This chart illustrates the average monthly humidity levels in 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 Caseros is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%61%66%80%85%80%69%66%72%63%59%56%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Caseros

In Caseros 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 Caseros.

Maximum UV Index Levels in Caseros for September

The chart shows the monthly maximum UV Index (UVI) for 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 Caseros typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311754468101314
Data source: 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 Caseros Compares to Other Months

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

This table compares monthly weather conditions in Caseros, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)59 mm (2.3 inches)50%extreme
February Weather23°C (75°F)72 mm (2.9 inches)61%extreme
March Weather22°C (71°F)77 mm (3.0 inches)66%extreme
April Weather19°C (66°F)82 mm (3.2 inches)80%high
May Weather15°C (59°F)80 mm (3.2 inches)85%moderate
June Weather12°C (54°F)66 mm (2.6 inches)80%moderate
July Weather11°C (52°F)75 mm (3.0 inches)69%moderate
August Weather12°C (55°F)51 mm (2.0 inches)66%high
September Weather15°C (59°F)86 mm (3.4 inches)72%very high
October Weather17°C (63°F)103 mm (4.1 inches)63%very high
November Weather21°C (69°F)77 mm (3.0 inches)59%extreme
December Weather23°C (73°F)66 mm (2.6 inches)56%extreme

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