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September Weather in Santa Elena, Argentina

Last updated: August 22, 2025

In September, the average temperature in Santa Elena, Argentina hovers around 17°C (63°F), with a minimum of 2°C (35°F) and a maximum reaching up to 33°C (92°F). Expect about 76 mm (3.0 in) of precipitation spread over 7 days, accompanied by an average humidity level of 60%. Stay prepared for varying weather conditions!

September Temperature in Santa Elena

In September, in Santa Elena, the average temperature is 17°C (63°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 2°C (35°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

September Weather in Santa Elena: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Elena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Elena, September typically has an average temperature of 17°C (63°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec787672686055545762677376
Data source: Temperature data for Santa Elena 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 Santa Elena

In Santa Elena in September, the precipitation amount is 76 mm (3.0 in) over a period of 7 days.

September Precipitation Trends in Santa Elena

The chart displays monthly precipitation patterns in Santa Elena, 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 Santa Elena, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1101028710112071587576978085
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Elena

In Santa Elena 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 Santa Elena

This chart illustrates the average monthly humidity levels in Santa Elena, 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 Santa Elena 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 Santa Elena

In Santa Elena 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 Santa Elena.

Maximum UV Index Levels in Santa Elena for September

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

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

This table compares monthly weather conditions in Santa Elena, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)110 mm (4.3 inches)59%extreme
February Weather24°C (76°F)102 mm (4.0 inches)56%extreme
March Weather22°C (73°F)87 mm (3.4 inches)69%extreme
April Weather20°C (68°F)101 mm (4.0 inches)78%very high
May Weather16°C (60°F)120 mm (4.7 inches)82%high
June Weather13°C (56°F)71 mm (2.8 inches)81%moderate
July Weather12°C (54°F)58 mm (2.3 inches)66%moderate
August Weather14°C (58°F)74 mm (2.9 inches)54%high
September Weather17°C (63°F)76 mm (3.0 inches)60%very high
October Weather19°C (67°F)97 mm (3.8 inches)59%extreme
November Weather23°C (73°F)80 mm (3.2 inches)57%extreme
December Weather24°C (76°F)85 mm (3.4 inches)68%extreme

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