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September Weather in Santa Clara, Argentina

Last updated: August 22, 2025

In September, the average temperature in Santa Clara, Argentina is a pleasant 20°C (69°F), offering a comfortable climate for visitors. However, temperatures can vary significantly, with a minimum of 3°C (38°F) and a scorching maximum of 42°C (108°F). Expect some light precipitation, averaging 7 mm (0.3 in) over just 1 day, and enjoy the moderate average humidity of 53% during your stay.

September Temperature in Santa Clara

In September in Santa Clara, the average temperature is 20°C (69°F). Maximum temperatures can reach 42°C (108°F), while minimums can dip as low as 3°C (38°F). Be prepared for a wide range of temperatures when traveling to Santa Clara this month.

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

The chart illustrates September temperature patterns in Santa Clara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Clara, September typically has an average temperature of 20°C (69°F), with highs reaching up to 42°C (108°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec777472686155556169747676
Data source: Temperature data for Santa Clara 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 Clara

In Santa Clara in September, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

September Precipitation Trends in Santa Clara

The chart displays monthly precipitation patterns in Santa Clara, 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 Clara, September typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec180153132110321310675686189
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Clara

In Santa Clara in September humidity is 53%. With an average temperature of 20°C (69°F), this humidity feels like a gentle embrace, making it comfortable for traveling as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Santa Clara

This chart illustrates the average monthly humidity levels in Santa Clara, 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 Clara is approximately 53%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%75%76%85%88%79%60%45%53%55%75%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Clara

In Santa Clara in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Santa Clara.

Maximum UV Index Levels in Santa Clara for September

The chart shows the monthly maximum UV Index (UVI) for Santa Clara 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 Clara typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16141311867811141515
Data source: Santa Clara 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 Clara Compares to Other Months

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

This table compares monthly weather conditions in Santa Clara, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)180 mm (7.1 inches)81%extreme
February Weather24°C (75°F)153 mm (6.0 inches)75%extreme
March Weather22°C (72°F)132 mm (5.2 inches)76%extreme
April Weather20°C (68°F)110 mm (4.3 inches)85%extreme
May Weather16°C (61°F)32 mm (1.3 inches)88%very high
June Weather13°C (56°F)13 mm (0.5 inches)79%high
July Weather13°C (56°F)10 mm (0.4 inches)60%high
August Weather16°C (61°F)6 mm (0.2 inches)45%very high
September Weather20°C (69°F)7 mm (0.3 inches)53%extreme
October Weather23°C (74°F)56 mm (2.2 inches)55%extreme
November Weather24°C (76°F)86 mm (3.4 inches)75%extreme
December Weather25°C (77°F)189 mm (7.4 inches)85%extreme

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