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September Weather in Jose de San Martin, Argentina

Last updated: August 22, 2025

In September, the average temperature in Jose de San Martin, Argentina hovers around 5°C (42°F), with a comfortable maximum of 22°C (71°F) and a chilly minimum of -5°C (24°F). Expect about 22 mm (0.9 in) of precipitation over 7 days, contributing to a notably high average humidity of 85%. Get ready for some cool and damp weather!

September Temperature in Jose de San Martin

In September in Jose de San Martin, the average temperature is 5°C (42°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as -5°C (24°F). Be prepared for a wide range of weather conditions while traveling during this time.

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

The chart illustrates September temperature patterns in 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 Jose de San Martin, September typically has an average temperature of 5°C (42°F), with highs reaching up to 22°C (71°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec586054474135353842465257
Data source: Temperature data for 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 Jose de San Martin

In Jose de San Martin in September, the precipitation amount is 22 mm (0.9 in) over the course of 7 days.

September Precipitation Trends in Jose de San Martin

The chart displays monthly precipitation patterns in 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 Jose de San Martin, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec131330393963363822252622
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jose de San Martin

In Jose de San Martin in September, humidity is 85%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and requiring extra layers to stay warm while exploring.

September Average Humidity in Jose de San Martin

This chart illustrates the average monthly humidity levels in 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 Jose de San Martin is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%77%75%84%89%91%90%90%85%80%73%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Jose de San Martin

In Jose de San Martin in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Jose de San Martin.

Maximum UV Index Levels in Jose de San Martin for September

The chart shows the monthly maximum UV Index (UVI) for 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 Jose de San Martin typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1412963234791413
Data source: 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 Jose de San Martin Compares to Other Months

Weather in 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 Jose de San Martin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Jose de San Martin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)13 mm (0.5 inches)70%extreme
February Weather15°C (60°F)13 mm (0.5 inches)77%extreme
March Weather12°C (54°F)30 mm (1.2 inches)75%very high
April Weather8°C (47°F)39 mm (1.5 inches)84%high
May Weather5°C (41°F)39 mm (1.5 inches)89%moderate
June Weather2°C (36°F)63 mm (2.5 inches)90%low
July Weather2°C (35°F)36 mm (1.4 inches)90%moderate
August Weather3°C (39°F)38 mm (1.5 inches)90%moderate
September Weather5°C (42°F)22 mm (0.9 inches)85%high
October Weather8°C (46°F)25 mm (1.0 inches)80%very high
November Weather11°C (53°F)26 mm (1.0 inches)73%extreme
December Weather14°C (58°F)22 mm (0.9 inches)74%extreme

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