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September Weather in San Gustavo, Argentina

Last updated: August 22, 2025

In September, the average temperature in San Gustavo, Argentina is a pleasant 17°C (63°F), with minimums dropping to 2°C (36°F) and maximums soaring up to 34°C (93°F). Expect around 78 mm (3.1 in) of rain over 7 days, contributing to an average humidity of 60%. Embrace the dynamic weather as you explore this vibrant locale!

September Temperature in San Gustavo

In September in San Gustavo, the average temperature is 17°C (63°F), with maximums reaching 34°C (93°F) and minimums as low as 2°C (36°F). This wide temperature range makes San Gustavo an exciting destination for travelers seeking both warmth and cooler escapes.

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

The chart illustrates September temperature patterns in San Gustavo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Gustavo, September typically has an average temperature of 17°C (63°F), with highs reaching up to 34°C (93°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec787672686056555863677376
Data source: Temperature data for San Gustavo 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 Gustavo

In San Gustavo in September, the total precipitation amount is 78 mm (3.1 in) over a duration of 7 days.

September Precipitation Trends in San Gustavo

The chart displays monthly precipitation patterns in San Gustavo, 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 Gustavo, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec11098899614082609378967485
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Gustavo

In San Gustavo in September humidity is 60%. With an average temperature of 17°C (63°F), this humidity feels like a slight weight in the air, making it perfect for leisurely strolls but a bit sticky for intense outdoor activities.

September Average Humidity in San Gustavo

This chart illustrates the average monthly humidity levels in San Gustavo, 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 Gustavo is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%57%69%78%82%81%66%54%61%59%58%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Gustavo

In San Gustavo in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Gustavo.

Maximum UV Index Levels in San Gustavo for September

The chart shows the monthly maximum UV Index (UVI) for San Gustavo 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 Gustavo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312964569111414
Data source: San Gustavo 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 Gustavo Compares to Other Months

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

This table compares monthly weather conditions in San Gustavo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)109 mm (4.3 inches)59%extreme
February Weather24°C (76°F)97 mm (3.8 inches)56%extreme
March Weather22°C (73°F)89 mm (3.5 inches)69%extreme
April Weather20°C (68°F)96 mm (3.8 inches)78%very high
May Weather16°C (61°F)140 mm (5.5 inches)82%high
June Weather13°C (56°F)82 mm (3.2 inches)81%moderate
July Weather13°C (55°F)60 mm (2.3 inches)66%moderate
August Weather14°C (58°F)93 mm (3.7 inches)54%high
September Weather17°C (63°F)78 mm (3.1 inches)60%very high
October Weather20°C (68°F)96 mm (3.8 inches)59%extreme
November Weather23°C (73°F)74 mm (2.9 inches)57%extreme
December Weather24°C (76°F)85 mm (3.3 inches)68%extreme

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