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September Weather in San Miguel, Argentina

Last updated: August 22, 2025

In San Miguel, Argentina, the average temperature in September is a pleasant 14°C (58°F). Expect a temperature range where the minimum can dip to 0°C (33°F) and the maximum can rise to 30°C (87°F). During this month, the region experiences an average precipitation of 76 mm (3.0 in) over approximately 6 days. Additionally, the average humidity stands at 72%, making it a comfortable yet slightly damp time of year.

September Temperature in San Miguel

In September in San Miguel, the average temperature is 14°C (58°F). Maximums can reach 30°C (87°F) while minimums can dip as low as 0°C (33°F). This makes San Miguel an ideal destination for travelers looking to experience a range of weather conditions during their visit.

September Weather in San Miguel: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Miguel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Miguel, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (87°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec767470655753515458626973
Data source: Temperature data for San Miguel 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 San Miguel

In San Miguel in September, the total precipitation amount reaches 76 mm (3.0 in) over the course of 6 days.

September Precipitation Trends in San Miguel

The chart displays monthly precipitation patterns in San Miguel, 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 San Miguel, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec6372747873505645761057773
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Miguel

In San Miguel in September, humidity is 72%. With an average temperature of 14°C (58°F), this humidity feels like a damp blanket wrapping around you, making walking and exploring slightly uncomfortable and requiring frequent breaks for hydration.

September Average Humidity in San Miguel

This chart illustrates the average monthly humidity levels in San Miguel, 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 San Miguel 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 San Miguel

In San Miguel 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 San Miguel.

Maximum UV Index Levels in San Miguel for September

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

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

This table compares monthly weather conditions in San Miguel, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)63 mm (2.5 inches)50%extreme
February Weather23°C (74°F)72 mm (2.8 inches)61%extreme
March Weather21°C (70°F)74 mm (2.9 inches)66%extreme
April Weather18°C (65°F)78 mm (3.1 inches)80%high
May Weather14°C (58°F)73 mm (2.9 inches)85%moderate
June Weather11°C (53°F)50 mm (2.0 inches)80%moderate
July Weather10°C (51°F)56 mm (2.2 inches)69%moderate
August Weather12°C (54°F)45 mm (1.8 inches)66%high
September Weather14°C (58°F)76 mm (3.0 inches)72%very high
October Weather17°C (63°F)105 mm (4.1 inches)63%very high
November Weather20°C (69°F)77 mm (3.0 inches)59%extreme
December Weather23°C (73°F)73 mm (2.9 inches)56%extreme

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