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September Weather in Valle Grande, Argentina

Last updated: August 22, 2025

In September, the average temperature in Valle Grande, Argentina hovers around 12°C (53°F), with fluctuations ranging from a chilly -3°C (27°F) to a warm 28°C (82°F). Expect about 57 mm (2.2 in) of precipitation spread over 11 days, contributing to an average humidity level of 59%.

September Temperature in Valle Grande

In September in Valle Grande, the average temperature is 12°C (53°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -3°C (27°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

September Weather in Valle Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Valle Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valle Grande, September typically has an average temperature of 12°C (53°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec605957554946464853565859
Data source: Temperature data for Valle Grande 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 Valle Grande

In Valle Grande in September, the precipitation amount is 57 mm (2.2 in) spread over 11 days.

September Precipitation Trends in Valle Grande

The chart displays monthly precipitation patterns in Valle Grande, 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 Valle Grande, September typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec3133363142638626202557128246345
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Valle Grande

In Valle Grande in September, humidity is 59%. With an average temperature of 12°C (53°F), this humidity feels like a refreshing yet slightly cool embrace, making it quite pleasant for traveling as long as you dress in layers to accommodate the chill while enjoying the moisture in the air.

September Average Humidity in Valle Grande

This chart illustrates the average monthly humidity levels in Valle Grande, 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 Valle Grande is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%88%88%85%76%58%49%44%59%60%69%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Valle Grande

In Valle Grande in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Valle Grande.

Maximum UV Index Levels in Valle Grande for September

The chart shows the monthly maximum UV Index (UVI) for Valle Grande 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 Valle Grande typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1817151310791113161718
Data source: Valle Grande 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 Valle Grande Compares to Other Months

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

This table compares monthly weather conditions in Valle Grande, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)313 mm (12.3 inches)85%extreme
February Weather15°C (59°F)336 mm (13.2 inches)88%extreme
March Weather14°C (57°F)314 mm (12.4 inches)88%extreme
April Weather13°C (55°F)263 mm (10.4 inches)85%extreme
May Weather10°C (50°F)85 mm (3.4 inches)76%very high
June Weather8°C (47°F)26 mm (1.0 inches)58%high
July Weather8°C (46°F)20 mm (0.8 inches)49%very high
August Weather9°C (48°F)25 mm (1.0 inches)43%extreme
September Weather12°C (53°F)57 mm (2.2 inches)59%extreme
October Weather14°C (57°F)128 mm (5.1 inches)60%extreme
November Weather14°C (58°F)245 mm (9.7 inches)69%extreme
December Weather15°C (59°F)345 mm (13.6 inches)76%extreme

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