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September Weather in Santa Catalina, Argentina

Last updated: August 22, 2025

In Santa Catalina, Argentina, the average temperature in September is a mild 10°C (50°F). However, temperatures can vary significantly, with a minimum of -6°C (21°F) and a maximum soaring to 24°C (75°F). Visitors can expect a light sprinkle of rain, averaging 10 mm (0.4 in) over just 1 day of the month, while the average humidity lingers around 59%.

September Temperature in Santa Catalina

In September in Santa Catalina, the average temperature is 10°C (50°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop to as low as -6°C (21°F). It's a great time for travelers to experience a diverse range of weather, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Santa Catalina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Catalina, September typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (75°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec535252504541414349545554
Data source: Temperature data for Santa Catalina 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 Catalina

In Santa Catalina in September, the precipitation amount is 10 mm (0.4 in) over the course of 1 day.

September Precipitation Trends in Santa Catalina

The chart displays monthly precipitation patterns in Santa Catalina, 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 Catalina, September typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec110123101192121102153115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Catalina

In Santa Catalina in September humidity is 59%. With an average temperature of 10°C (50°F), this humidity feels like a cool, brisk embrace, making it refreshing for outdoor activities but also necessitating layers to stay comfortable while exploring.

September Average Humidity in Santa Catalina

This chart illustrates the average monthly humidity levels in Santa Catalina, 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 Catalina is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%88%88%85%76%58%49%44%59%60%69%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Catalina

In Santa Catalina in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santa Catalina.

Maximum UV Index Levels in Santa Catalina for September

The chart shows the monthly maximum UV Index (UVI) for Santa Catalina 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 Catalina typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec19191714118101215181919
Data source: Santa Catalina 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 Catalina Compares to Other Months

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

This table compares monthly weather conditions in Santa Catalina, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)110 mm (4.3 inches)85%extreme
February Weather11°C (53°F)123 mm (4.9 inches)88%extreme
March Weather11°C (52°F)101 mm (4.0 inches)88%extreme
April Weather10°C (50°F)19 mm (0.7 inches)85%extreme
May Weather7°C (45°F)2 mm (0.1 inches)76%extreme
June Weather5°C (41°F)1 mm (0.0 inches)58%very high
July Weather5°C (41°F)1 mm (0.1 inches)49%very high
August Weather6°C (44°F)1 mm (0.0 inches)43%extreme
September Weather10°C (50°F)10 mm (0.4 inches)59%extreme
October Weather12°C (54°F)21 mm (0.8 inches)60%extreme
November Weather13°C (55°F)53 mm (2.1 inches)69%extreme
December Weather12°C (54°F)115 mm (4.5 inches)76%extreme

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