September Weather in Antofagasta de la Sierra, Argentina

Last updated: August 22, 2025

In September, the average temperature in Antofagasta de la Sierra, Argentina hovers around 6°C (43°F). It can swing from a chilly -15°C (5°F) to a pleasant 20°C (69°F). Expect minimal rainfall with an average precipitation of only 2 mm (0.1 in) over 0 days, and enjoy a relatively dry atmosphere with an average humidity of just 36%.

September Temperature in Antofagasta de la Sierra

In September in Antofagasta de la Sierra, the average temperature is 6°C (43°F), with maximums reaching up to 20°C (69°F) and minimums dipping as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to enjoy their visit.

September Weather in Antofagasta de la Sierra: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Antofagasta de la Sierra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Antofagasta de la Sierra, September typically has an average temperature of 6°C (43°F), with highs reaching up to 20°C (69°F) and lows dropping to around -15°C (5°F).

Data source: Temperature data for Antofagasta de la Sierra generated using information from the Copernicus Climate Change Service.

September Precipitation in Antofagasta de la Sierra

In Antofagasta de la Sierra in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Antofagasta de la Sierra

The chart displays monthly precipitation patterns in Antofagasta de la Sierra, 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 Antofagasta de la Sierra, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Antofagasta de la Sierra

In Antofagasta de la Sierra in September, humidity is 36%. With an average temperature of 6°C (43°F), this humidity feels like a brisk and refreshing chill, making travel invigorating yet requiring warm layers to stay comfortable while exploring.

September Average Humidity in Antofagasta de la Sierra

This chart illustrates the average monthly humidity levels in Antofagasta de la Sierra, 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 Antofagasta de la Sierra is approximately 36%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Antofagasta de la Sierra

In Antofagasta de la Sierra 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 Antofagasta de la Sierra.

Maximum UV Index Levels in Antofagasta de la Sierra for September

The chart shows the monthly maximum UV Index (UVI) for Antofagasta de la Sierra 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 Antofagasta de la Sierra typically reaches 13, which falls under the extreme exposure category.

Data source: Antofagasta de la Sierra 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 Antofagasta de la Sierra Compares to Other Months

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

This table compares monthly weather conditions in Antofagasta de la Sierra, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	65 mm (2.6 inches)	53%	extreme
February Weather	12°C (54°F)	37 mm (1.5 inches)	60%	extreme
March Weather	11°C (53°F)	6 mm (0.2 inches)	62%	extreme
April Weather	8°C (47°F)	2 mm (0.1 inches)	55%	extreme
May Weather	3°C (38°F)	6 mm (0.3 inches)	47%	very high
June Weather	0°C (32°F)	4 mm (0.2 inches)	36%	very high
July Weather	1°C (34°F)	2 mm (0.1 inches)	41%	very high
August Weather	2°C (36°F)	1 mm (0.1 inches)	32%	very high
September Weather	6°C (43°F)	2 mm (0.1 inches)	36%	extreme
October Weather	9°C (48°F)	0 mm (0.0 inches)	36%	extreme
November Weather	11°C (53°F)	1 mm (0.0 inches)	35%	extreme
December Weather	13°C (55°F)	24 mm (1.0 inches)	40%	extreme