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September Weather in Olavarria, Argentina

Last updated: August 22, 2025

In Olavarria, Argentina, the average temperature in September is 11°C (53°F). Temperatures can range from a brisk -3°C (28°F) to a warm 29°C (85°F). Expect about 77 mm (3.0 in) of precipitation spread over 7 days, with an average humidity of 67%. Prepare for a mix of cool breezes and occasional showers during your stay!

September Temperature in Olavarria

In September in Olavarria, the average temperature is 11°C (53°F). Maximum temperatures can reach 29°C (85°F), while the minimum can drop as low as -3°C (28°F). This variation makes it essential for travelers to pack layers to accommodate both warm and cooler conditions.

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

The chart illustrates September temperature patterns in Olavarria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olavarria, September typically has an average temperature of 11°C (53°F), with highs reaching up to 29°C (85°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec726965595247454852576369
Data source: Temperature data for Olavarria generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Olavarria

In Olavarria in September, the precipitation amount is 77 mm (3.0 in) over the course of 7 days.

September Precipitation Trends in Olavarria

The chart displays monthly precipitation patterns in Olavarria, 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 Olavarria, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec8269771094346423677818974
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Olavarria

In Olavarria in September humidity is 67%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that can make outdoor activities less enjoyable, often leading travelers to seek refuge indoors or dress in layers to stay comfortable.

September Average Humidity in Olavarria

This chart illustrates the average monthly humidity levels in Olavarria, 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 Olavarria is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec49%58%65%77%79%76%67%61%67%59%55%48%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Olavarria

In Olavarria in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Olavarria.

Maximum UV Index Levels in Olavarria for September

The chart shows the monthly maximum UV Index (UVI) for Olavarria 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 Olavarria typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141210753457101314
Data source: Olavarria 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 Olavarria Compares to Other Months

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

This table compares monthly weather conditions in Olavarria, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)82 mm (3.2 inches)49%extreme
February Weather21°C (69°F)69 mm (2.7 inches)58%extreme
March Weather18°C (65°F)77 mm (3.0 inches)65%very high
April Weather15°C (60°F)109 mm (4.3 inches)77%high
May Weather11°C (52°F)43 mm (1.7 inches)79%moderate
June Weather8°C (47°F)46 mm (1.8 inches)76%moderate
July Weather7°C (45°F)41 mm (1.6 inches)67%moderate
August Weather9°C (49°F)36 mm (1.4 inches)61%moderate
September Weather11°C (53°F)77 mm (3.0 inches)67%high
October Weather14°C (57°F)81 mm (3.2 inches)59%very high
November Weather17°C (64°F)89 mm (3.5 inches)55%extreme
December Weather20°C (69°F)74 mm (2.9 inches)48%extreme

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