September Weather in Chivilcoy, Argentina

Last updated: August 22, 2025

In Chivilcoy, Argentina, the average temperature in September is a comfortable 14°C (57°F). However, be prepared for a range of weather, as temperatures can dip to a chilly -1°C (30°F) or soar to a warm 31°C (89°F). During this month, expect an average precipitation of 87 mm (3.4 in) spread over 6 days, with the humidity resting at 66%. Make sure to pack accordingly!

September Temperature in Chivilcoy

In September in Chivilcoy, the average temperature is 14°C (57°F). Maximum temperatures can reach 31°C (89°F), while the minimum can be as low as -1°C (30°F). It’s advisable to pack for a range of weather conditions when traveling during this time.

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

The chart illustrates September temperature patterns in Chivilcoy, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chivilcoy, September typically has an average temperature of 14°C (57°F), with highs reaching up to 31°C (89°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec757268645651495257616873
Data source: Temperature data for Chivilcoy 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 Chivilcoy

In Chivilcoy in September, the precipitation amount is 87 mm (3.4 in) spread over a period of 6 days.

September Precipitation Trends in Chivilcoy

The chart displays monthly precipitation patterns in Chivilcoy, 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 Chivilcoy, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec7571691077542354087788286
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chivilcoy

In Chivilcoy in September humidity is 66%. With an average temperature of 14°C (57°F), this humidity feels like a warm, enveloping hug, making it pleasant for strolling through the streets, though a light jacket might be needed to stay comfortable while exploring.

September Average Humidity in Chivilcoy

This chart illustrates the average monthly humidity levels in Chivilcoy, 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 Chivilcoy is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec46%54%64%76%81%76%65%59%66%57%54%48%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chivilcoy

In Chivilcoy 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 Chivilcoy.

Maximum UV Index Levels in Chivilcoy for September

The chart shows the monthly maximum UV Index (UVI) for Chivilcoy 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 Chivilcoy typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753468101314
Data source: Chivilcoy 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 Chivilcoy Compares to Other Months

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

This table compares monthly weather conditions in Chivilcoy, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)75 mm (2.9 inches)46%extreme
February Weather22°C (73°F)71 mm (2.8 inches)54%extreme
March Weather20°C (69°F)69 mm (2.7 inches)64%extreme
April Weather18°C (64°F)107 mm (4.2 inches)76%high
May Weather13°C (56°F)75 mm (3.0 inches)81%moderate
June Weather11°C (51°F)41 mm (1.6 inches)76%moderate
July Weather10°C (49°F)35 mm (1.4 inches)65%moderate
August Weather11°C (53°F)40 mm (1.6 inches)59%high
September Weather14°C (57°F)87 mm (3.4 inches)66%very high
October Weather16°C (62°F)78 mm (3.1 inches)57%very high
November Weather20°C (68°F)82 mm (3.2 inches)54%extreme
December Weather23°C (73°F)86 mm (3.4 inches)48%extreme

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