September Weather in Lujan, Argentina

Last updated: August 22, 2025

In September, the average temperature in Lujan, Argentina is a comfortable 17°C (63°F). However, be prepared for temperature fluctuations, as minimum readings can drop to 1°C (34°F), while maximum highs can reach up to 38°C (100°F). During this month, expect precipitation totaling 14 mm (0.5 in) over approximately 3 days, with an average humidity of 45%. Stay hydrated and enjoy the climate!

September Temperature in Lujan

In September in Lujan, the average temperature is 17°C (63°F). The maximum can reach 38°C (100°F), and the minimum can be as low as 1°C (34°F). This wide range of temperatures makes it essential for travelers to pack both light clothing for warm days and layers for cooler evenings.

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

The chart illustrates September temperature patterns in Lujan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lujan, September typically has an average temperature of 17°C (63°F), with highs reaching up to 38°C (100°F) and lows dropping to around 1°C (34°F).

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

September Precipitation in Lujan

In Lujan in September, the precipitation amount is 14 mm (0.5 in) over the course of 3 days.

September Precipitation Trends in Lujan

The chart displays monthly precipitation patterns in Lujan, 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 Lujan, September typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 3 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 Lujan

In Lujan in September, humidity is 45%. With an average temperature of 17°C (63°F), this humidity feels like a refreshing breeze, making it perfect for exploring the sights without feeling too hot or sticky.

September Average Humidity in Lujan

This chart illustrates the average monthly humidity levels in Lujan, 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 Lujan is approximately 45%, 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 Lujan

In Lujan 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 Lujan.

Maximum UV Index Levels in Lujan for September

The chart shows the monthly maximum UV Index (UVI) for Lujan 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 Lujan typically reaches 9, which falls under the very high exposure category.

Data source: Lujan 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 Lujan Compares to Other Months

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

This table compares monthly weather conditions in Lujan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	64 mm (2.5 inches)	40%	extreme
February Weather	24°C (76°F)	88 mm (3.4 inches)	48%	extreme
March Weather	22°C (72°F)	67 mm (2.7 inches)	53%	extreme
April Weather	19°C (66°F)	63 mm (2.5 inches)	63%	very high
May Weather	14°C (58°F)	20 mm (0.8 inches)	67%	high
June Weather	10°C (51°F)	8 mm (0.3 inches)	61%	moderate
July Weather	10°C (50°F)	12 mm (0.5 inches)	55%	moderate
August Weather	13°C (57°F)	2 mm (0.1 inches)	48%	high
September Weather	17°C (63°F)	14 mm (0.5 inches)	45%	very high
October Weather	21°C (70°F)	27 mm (1.0 inches)	43%	extreme
November Weather	24°C (75°F)	49 mm (1.9 inches)	45%	extreme
December Weather	26°C (79°F)	47 mm (1.8 inches)	40%	extreme