nomadseason

September Weather in Santa Lucia, Argentina

Last updated: August 22, 2025

In September, the average temperature in Santa Lucia, Argentina hovers around 19°C (66°F), making it a comfortable time to visit. Expect minimums dipping to 5°C (41°F) and highs reaching a scorching 39°C (102°F). Be prepared for about 108 mm (4.3 in) of precipitation spread over 8 days, with an average humidity level of 55%. Enjoy your stay!

September Temperature in Santa Lucia

In September in Santa Lucia, the average temperature is 19°C (66°F). Maximum temperatures can reach 39°C (102°F), while minimums can drop as low as 5°C (41°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Santa Lucia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Lucia, September typically has an average temperature of 19°C (66°F), with highs reaching up to 39°C (102°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec807875706359576165707578
Data source: Temperature data for Santa Lucia generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Santa Lucia

In Santa Lucia in September, the precipitation amount is 108 mm (4.3 in) spread over 8 days.

September Precipitation Trends in Santa Lucia

The chart displays monthly precipitation patterns in Santa Lucia, 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 Lucia, September typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec170588910211872475110910515586
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Santa Lucia

In Santa Lucia in September humidity is 55%. With an average temperature of 19°C (66°F), this humidity feels like a gentle warmth wrapping around you, making it comfortable for traveling while allowing you to enjoy the sights without feeling overheated or sweaty.

September Average Humidity in Santa Lucia

This chart illustrates the average monthly humidity levels in Santa Lucia, 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 Lucia is approximately 55%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%61%71%81%84%76%64%46%55%57%59%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Lucia

In Santa Lucia 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 Lucia.

Maximum UV Index Levels in Santa Lucia for September

The chart shows the monthly maximum UV Index (UVI) for Santa Lucia 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 Lucia typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412965579121414
Data source: Santa Lucia 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 Lucia Compares to Other Months

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

This table compares monthly weather conditions in Santa Lucia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)170 mm (6.7 inches)66%extreme
February Weather26°C (79°F)58 mm (2.3 inches)61%extreme
March Weather24°C (75°F)89 mm (3.5 inches)71%extreme
April Weather21°C (70°F)102 mm (4.0 inches)81%very high
May Weather17°C (63°F)118 mm (4.6 inches)84%high
June Weather15°C (59°F)72 mm (2.8 inches)76%moderate
July Weather14°C (58°F)47 mm (1.8 inches)64%moderate
August Weather16°C (61°F)51 mm (2.0 inches)46%high
September Weather19°C (66°F)108 mm (4.3 inches)55%very high
October Weather21°C (70°F)105 mm (4.1 inches)57%extreme
November Weather24°C (75°F)155 mm (6.1 inches)59%extreme
December Weather25°C (78°F)86 mm (3.4 inches)75%extreme

Compare Santa Lucia's Climate with Cities Worldwide