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September Weather in General Jose de San Martin, Argentina

Last updated: August 22, 2025

In September, the average temperature in General Jose de San Martin, Argentina stands at a pleasant 21°C (70°F). However, you can expect a temperature range where the minimum dips to 8°C (46°F) and may soar up to 42°C (107°F). With an anticipated rainfall of 91 mm (3.6 in) over 8 days, the average humidity is around 50%, providing a balanced atmosphere throughout the month.

September Temperature in General Jose de San Martin

In September in General Jose de San Martin, the average temperature is 21°C (70°F). The maximum can reach 42°C (107°F) and the minimum can be as low as 8°C (46°F). Be prepared for warm days and cooler evenings, making it a great time to explore the outdoors while enjoying layered clothing for comfort.

September Weather in General Jose de San Martin: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in General Jose de San Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In General Jose de San Martin, September typically has an average temperature of 21°C (70°F), with highs reaching up to 42°C (107°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec828077726562616470737780
Data source: Temperature data for General Jose de San Martin 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 General Jose de San Martin

In General Jose de San Martin in September, the total precipitation amount is 91 mm (3.6 in) over the course of 8 days.

September Precipitation Trends in General Jose de San Martin

The chart displays monthly precipitation patterns in General Jose de San Martin, 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 General Jose de San Martin, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec131651071151235940349112315064
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in General Jose de San Martin

In General Jose de San Martin in September humidity is 50%. With average temperature 21°C (70°F), this humidity feels like a comfortable embrace, making it pleasant for traveling while still requiring a light layer for occasional cool breezes.

September Average Humidity in General Jose de San Martin

This chart illustrates the average monthly humidity levels in General Jose de San Martin, 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 General Jose de San Martin is approximately 50%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%70%73%83%85%73%63%44%50%53%66%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in General Jose de San Martin

In General Jose de San Martin 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 General Jose de San Martin.

Maximum UV Index Levels in General Jose de San Martin for September

The chart shows the monthly maximum UV Index (UVI) for General Jose de San Martin 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 General Jose de San Martin typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310756810131415
Data source: General Jose de San Martin 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 General Jose de San Martin Compares to Other Months

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

This table compares monthly weather conditions in General Jose de San Martin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)131 mm (5.1 inches)76%extreme
February Weather27°C (80°F)65 mm (2.6 inches)70%extreme
March Weather25°C (77°F)107 mm (4.2 inches)73%extreme
April Weather22°C (72°F)115 mm (4.5 inches)83%very high
May Weather19°C (66°F)123 mm (4.8 inches)85%high
June Weather17°C (63°F)59 mm (2.3 inches)73%moderate
July Weather16°C (61°F)40 mm (1.6 inches)63%high
August Weather18°C (65°F)34 mm (1.3 inches)44%very high
September Weather21°C (70°F)91 mm (3.6 inches)50%very high
October Weather23°C (74°F)123 mm (4.8 inches)53%extreme
November Weather25°C (77°F)150 mm (5.9 inches)66%extreme
December Weather27°C (81°F)64 mm (2.5 inches)82%extreme

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