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September Weather in Concepcion, Argentina

Last updated: August 22, 2025

In September, the average temperature in Concepcion, Argentina is a pleasant 19°C (67°F). However, temperatures can vary significantly, dipping to a chilly 6°C (43°F) or soaring to a scorching 39°C (102°F). Expect around 108 mm (4.3 in) of precipitation over 9 days, accompanied by an average humidity of 55%.

September Temperature in Concepcion

In September in Concepcion, the average temperature is 19°C (67°F). Maximum temperatures can reach 39°C (102°F), while minimums can drop as low as 6°C (43°F). Be prepared for a wide range of temperatures during your visit, so pack accordingly!

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

The chart illustrates September temperature patterns in Concepcion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Concepcion, September typically has an average temperature of 19°C (67°F), with highs reaching up to 39°C (102°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec817976716460596267727679
Data source: Temperature data for Concepcion 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 Concepcion

In Concepcion in September, the precipitation amount is 108 mm (4.3 in) spread over 9 days.

September Precipitation Trends in Concepcion

The chart displays monthly precipitation patterns in Concepcion, 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 Concepcion, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1786513112313268465110811013599
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Concepcion

In Concepcion in September, humidity is 55%. With an average temperature of 19°C (67°F), this humidity feels like a refreshing embrace, perfect for leisurely strolls and outdoor adventures.

September Average Humidity in Concepcion

This chart illustrates the average monthly humidity levels in Concepcion, 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 Concepcion is approximately 55%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%61%71%81%84%76%64%46%55%57%59%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Concepcion

In Concepcion 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 Concepcion.

Maximum UV Index Levels in Concepcion for September

The chart shows the monthly maximum UV Index (UVI) for Concepcion 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 Concepcion typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15131210655710121414
Data source: Concepcion 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 Concepcion Compares to Other Months

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

This table compares monthly weather conditions in Concepcion, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)178 mm (7.0 inches)66%extreme
February Weather26°C (80°F)65 mm (2.5 inches)61%extreme
March Weather24°C (76°F)131 mm (5.1 inches)71%extreme
April Weather21°C (71°F)123 mm (4.8 inches)81%very high
May Weather18°C (64°F)132 mm (5.2 inches)84%high
June Weather16°C (61°F)68 mm (2.7 inches)76%moderate
July Weather15°C (59°F)46 mm (1.8 inches)64%moderate
August Weather17°C (63°F)51 mm (2.0 inches)46%high
September Weather19°C (67°F)108 mm (4.3 inches)55%very high
October Weather22°C (72°F)110 mm (4.3 inches)57%extreme
November Weather24°C (76°F)135 mm (5.3 inches)59%extreme
December Weather26°C (80°F)99 mm (3.9 inches)75%extreme

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