September Weather in Gastre, Argentina

Last updated: August 22, 2025

In September, the average temperature in Gastre, Argentina hovers around 6°C (43°F), offering a cool climate for visitors. Be prepared for a temperature range that can dip as low as -7°C (20°F) and occasionally rise to 24°C (75°F). With an average precipitation of 18 mm (0.7 in) spread over 6 days, and humidity levels reaching 79%, it's wise to pack accordingly for this diverse weather experience.

September Temperature in Gastre

In September in Gastre, the average temperature is 6°C (43°F). The maximum can reach 24°C (75°F), while the minimum can drop as low as -7°C (20°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates September temperature patterns in Gastre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gastre, September typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (75°F) and lows dropping to around -7°C (20°F).

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

September Precipitation in Gastre

In Gastre in September, the precipitation amount is 18 mm (0.7 in) over the course of 6 days.

September Precipitation Trends in Gastre

The chart displays monthly precipitation patterns in Gastre, 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 Gastre, September typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 6 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 Gastre

In Gastre in September, humidity is 79%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures less inviting and urging travelers to seek warmer, more comfortable shelters.

September Average Humidity in Gastre

This chart illustrates the average monthly humidity levels in Gastre, 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 Gastre is approximately 79%, 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 Gastre

In Gastre 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 Gastre.

Maximum UV Index Levels in Gastre for September

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

Data source: Gastre 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 Gastre Compares to Other Months

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

This table compares monthly weather conditions in Gastre, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (62°F)	11 mm (0.4 inches)	57%	extreme
February Weather	17°C (62°F)	13 mm (0.5 inches)	61%	extreme
March Weather	13°C (56°F)	25 mm (1.0 inches)	65%	very high
April Weather	9°C (49°F)	38 mm (1.5 inches)	74%	high
May Weather	5°C (42°F)	26 mm (1.0 inches)	81%	moderate
June Weather	2°C (36°F)	49 mm (1.9 inches)	83%	low
July Weather	1°C (35°F)	29 mm (1.1 inches)	85%	moderate
August Weather	3°C (38°F)	34 mm (1.3 inches)	86%	moderate
September Weather	6°C (43°F)	18 mm (0.7 inches)	79%	very high
October Weather	8°C (47°F)	26 mm (1.0 inches)	71%	very high
November Weather	12°C (54°F)	28 mm (1.1 inches)	64%	extreme
December Weather	15°C (60°F)	19 mm (0.8 inches)	60%	extreme