September Weather in Santa Maria, Argentina

Last updated: August 22, 2025

In Santa Maria, Argentina, the average temperature in September hovers around 12°C (53°F). Expect a wide range, with minimums dipping to -5°C (24°F) and maximums soaring to 29°C (84°F). Precipitation is minimal, averaging just 5 mm (0.2 in) over 1 day, while the average humidity sits comfortably at 58%.

September Temperature in Santa Maria

In September in Santa Maria, the average temperature is 12°C (53°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as -5°C (24°F). This wide temperature range makes it essential for travelers to pack both light and warm clothing to ensure comfort during their visit.

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

The chart illustrates September temperature patterns in Santa Maria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Maria, September typically has an average temperature of 12°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec626159565147464853576061
Data source: Temperature data for Santa Maria 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 Maria

In Santa Maria in September, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

September Precipitation Trends in Santa Maria

The chart displays monthly precipitation patterns in Santa Maria, 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 Maria, September typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec5755301933235102336
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Maria

In Santa Maria in September humidity is 58%. With an average temperature of 12°C (53°F), this humidity feels like a cool, refreshing embrace, making for an invigorating experience while exploring the surroundings.

September Average Humidity in Santa Maria

This chart illustrates the average monthly humidity levels in Santa Maria, 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 Maria is approximately 58%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%83%85%75%62%53%44%58%55%66%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Maria

In Santa Maria in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santa Maria.

Maximum UV Index Levels in Santa Maria for September

The chart shows the monthly maximum UV Index (UVI) for Santa Maria 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 Maria typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec17161512868913151718
Data source: Santa Maria 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 Maria Compares to Other Months

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

This table compares monthly weather conditions in Santa Maria, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)57 mm (2.3 inches)79%extreme
February Weather16°C (61°F)55 mm (2.2 inches)81%extreme
March Weather15°C (59°F)30 mm (1.2 inches)83%extreme
April Weather13°C (56°F)19 mm (0.8 inches)85%extreme
May Weather10°C (51°F)3 mm (0.1 inches)75%very high
June Weather8°C (47°F)3 mm (0.1 inches)62%high
July Weather8°C (47°F)2 mm (0.1 inches)53%very high
August Weather9°C (48°F)3 mm (0.1 inches)44%very high
September Weather12°C (53°F)5 mm (0.2 inches)58%extreme
October Weather14°C (58°F)10 mm (0.4 inches)54%extreme
November Weather15°C (60°F)23 mm (0.9 inches)66%extreme
December Weather16°C (61°F)36 mm (1.4 inches)74%extreme

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