September Weather in Rivadavia, Argentina

Last updated: August 22, 2025

In Rivadavia, Argentina, the average temperature in September hovers around 12°C (53°F). Expect a minimum chill of -5°C (23°F) and a potential maximum warmth of 31°C (87°F). Rainfall is moderate, with an average precipitation of 34 mm (1.4 in) spread over 5 days, and the air carries a comfortable 45% humidity.

September Temperature in Rivadavia

In September in Rivadavia, the average temperature is 12°C (53°F). Maximum temperatures can reach 31°C (87°F), while minimums can drop to as low as -5°C (23°F). It is advisable to pack layers to accommodate the wide temperature range during your travels.

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

The chart illustrates September temperature patterns in Rivadavia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rivadavia, September typically has an average temperature of 12°C (53°F), with highs reaching up to 31°C (87°F) and lows dropping to around -5°C (23°F).

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

September Precipitation in Rivadavia

In Rivadavia in September, the precipitation amount is 34 mm (1.4 in) spread over 5 days.

September Precipitation Trends in Rivadavia

The chart displays monthly precipitation patterns in Rivadavia, 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 Rivadavia, September typically receives around 34 mm (1.4 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 Rivadavia

In Rivadavia in September humidity is 45%. With an average temperature of 12°C (53°F), this humidity feels like a refreshing coolness, making it comfortable for traveling while still requiring a light jacket to enjoy the pleasant air.

September Average Humidity in Rivadavia

This chart illustrates the average monthly humidity levels in Rivadavia, 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 Rivadavia 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 Rivadavia

In Rivadavia in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Rivadavia.

Maximum UV Index Levels in Rivadavia for September

The chart shows the monthly maximum UV Index (UVI) for Rivadavia 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 Rivadavia typically reaches 10, which falls under the very high exposure category.

Data source: Rivadavia 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 Rivadavia Compares to Other Months

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

This table compares monthly weather conditions in Rivadavia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	86 mm (3.4 inches)	44%	extreme
February Weather	19°C (67°F)	94 mm (3.7 inches)	48%	extreme
March Weather	17°C (64°F)	61 mm (2.4 inches)	56%	extreme
April Weather	14°C (58°F)	51 mm (2.0 inches)	67%	very high
May Weather	10°C (50°F)	39 mm (1.5 inches)	66%	high
June Weather	6°C (44°F)	17 mm (0.7 inches)	58%	moderate
July Weather	6°C (42°F)	18 mm (0.7 inches)	58%	moderate
August Weather	9°C (48°F)	9 mm (0.4 inches)	52%	high
September Weather	12°C (53°F)	34 mm (1.4 inches)	45%	very high
October Weather	14°C (58°F)	58 mm (2.3 inches)	43%	extreme
November Weather	18°C (64°F)	80 mm (3.1 inches)	41%	extreme
December Weather	20°C (68°F)	94 mm (3.7 inches)	37%	extreme