September Weather in Junin, Argentina

Last updated: August 22, 2025

In September, the average temperature in Junin, Argentina is a pleasant 14°C (58°F), offering a comfortable climate for both residents and visitors. However, temperatures can vary significantly, with a minimum of -3°C (28°F) and sometimes soaring to a maximum of 31°C (89°F). Expect about 80 mm (3.2 in) of precipitation spread over 5 days, contributing to an average humidity level of 66%.

September Temperature in Junin

In September in Junin, the average temperature is 14°C (58°F). Maximums can reach 31°C (89°F), while minimums can drop as low as -3°C (28°F). This wide temperature range makes it essential to pack for both warm and cool conditions when traveling.

September Weather in Junin: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Junin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Junin, September typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (89°F) and lows dropping to around -3°C (28°F).

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

September Precipitation in Junin

In Junin in September, the precipitation amount is 80 mm (3.2 in) over a span of 5 days.

September Precipitation Trends in Junin

The chart displays monthly precipitation patterns in Junin, 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 Junin, September typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 5 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 Junin

In Junin in September, humidity is 66%. With average temperature 14°C (58°F), this humidity feels like a damp chill that can make walking outdoors feel heavier, urging travelers to seek shelter or refreshment more often than usual.

September Average Humidity in Junin

This chart illustrates the average monthly humidity levels in Junin, 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 Junin is approximately 66%, 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 Junin

In Junin in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Junin.

Maximum UV Index Levels in Junin for September

The chart shows the monthly maximum UV Index (UVI) for Junin 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 Junin typically reaches 8, which falls under the very high exposure category.

Data source: Junin 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 Junin Compares to Other Months

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

This table compares monthly weather conditions in Junin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	104 mm (4.1 inches)	46%	extreme
February Weather	22°C (72°F)	67 mm (2.6 inches)	54%	extreme
March Weather	20°C (69°F)	89 mm (3.5 inches)	64%	extreme
April Weather	18°C (64°F)	110 mm (4.3 inches)	76%	very high
May Weather	13°C (56°F)	76 mm (3.0 inches)	81%	moderate
June Weather	11°C (51°F)	30 mm (1.2 inches)	76%	moderate
July Weather	10°C (49°F)	26 mm (1.0 inches)	65%	moderate
August Weather	12°C (53°F)	32 mm (1.3 inches)	59%	high
September Weather	14°C (58°F)	80 mm (3.2 inches)	66%	very high
October Weather	17°C (62°F)	95 mm (3.7 inches)	57%	very high
November Weather	20°C (69°F)	102 mm (4.0 inches)	54%	extreme
December Weather	23°C (73°F)	99 mm (3.9 inches)	48%	extreme