September Weather in Sierra Grande, Argentina

Last updated: August 22, 2025

In September, the average temperature in Sierra Grande, Argentina is a pleasant 12°C (54°F). Visitors should be prepared for a temperature range, with minima reaching -1°C (31°F) and maxima soaring to 29°C (85°F). The region experiences 16 mm (0.6 in) of precipitation over 2 days, and the average humidity sits at a comfortable 65%, making it an ideal time to explore the local attractions!

September Temperature in Sierra Grande

In September in Sierra Grande, the average temperature is 12°C (54°F). Maximum temperatures can reach 29°C (85°F), while minimum temperatures can drop as low as -1°C (31°F). Be sure to pack layers to prepare for both warm afternoons and cool evenings during your travels.

September Weather in Sierra Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sierra Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sierra Grande, September typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (85°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Sierra Grande

In Sierra Grande in September, the precipitation amount is 16 mm (0.6 in) over a period of 2 days.

September Precipitation Trends in Sierra Grande

The chart displays monthly precipitation patterns in Sierra Grande, 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 Sierra Grande, September typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 2 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Sierra Grande

In Sierra Grande in September, humidity is 65%. With an average temperature of 12°C (54°F), this humidity feels like a cool, damp embrace that can make outdoor activities a bit uncomfortable, but offers a refreshing atmosphere for exploring cozy cafes and indoor attractions.

September Average Humidity in Sierra Grande

This chart illustrates the average monthly humidity levels in Sierra Grande, 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 Sierra Grande is approximately 65%, 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 Sierra Grande

In Sierra Grande in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sierra Grande, you can refer to this Hourly UV Index in Sierra Grande.

Maximum UV Index Levels in Sierra Grande for September

The chart shows the monthly maximum UV Index (UVI) for Sierra Grande 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 Sierra Grande typically reaches 6, which falls under the high exposure category.

Data source: Sierra Grande 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 Sierra Grande Compares to Other Months

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

This table compares monthly weather conditions in Sierra Grande, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	11 mm (0.4 inches)	50%	extreme
February Weather	22°C (72°F)	17 mm (0.7 inches)	51%	extreme
March Weather	19°C (67°F)	40 mm (1.6 inches)	63%	very high
April Weather	16°C (61°F)	26 mm (1.0 inches)	69%	high
May Weather	11°C (52°F)	22 mm (0.9 inches)	73%	moderate
June Weather	8°C (46°F)	31 mm (1.2 inches)	74%	low
July Weather	7°C (45°F)	22 mm (0.9 inches)	76%	moderate
August Weather	9°C (49°F)	18 mm (0.7 inches)	74%	moderate
September Weather	12°C (54°F)	16 mm (0.6 inches)	65%	high
October Weather	15°C (60°F)	14 mm (0.5 inches)	57%	very high
November Weather	19°C (66°F)	26 mm (1.0 inches)	52%	extreme
December Weather	22°C (71°F)	15 mm (0.6 inches)	44%	extreme