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September Weather in Colonias Unidas, Argentina

Last updated: August 22, 2025

In Colonias Unidas, Argentina, the average temperature in September hovers around 21°C (70°F). It can range from a cool 6°C (42°F) to a scorching 43°C (109°F). Expect about 76 mm (3.0 in) of precipitation spread over 8 days, while the average humidity sits at a comfortable 50%.

September Temperature in Colonias Unidas

In September in Colonias Unidas, the average temperature is a pleasant 21°C (70°F), with maximums reaching up to 43°C (109°F) and minimums dropping as low as 6°C (42°F). Be prepared for a range of temperatures, making it ideal for both warm-weather activities and cooler evenings while traveling.

September Weather in Colonias Unidas: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Colonias Unidas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colonias Unidas, September typically has an average temperature of 21°C (70°F), with highs reaching up to 43°C (109°F) and lows dropping to around 6°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec828077726562606469737780
Data source: Temperature data for Colonias Unidas 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 Colonias Unidas

In Colonias Unidas in September, the precipitation amount is 76 mm (3.0 in) spread over a duration of 8 days.

September Precipitation Trends in Colonias Unidas

The chart displays monthly precipitation patterns in Colonias Unidas, 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 Colonias Unidas, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1346510889914837377611815758
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Colonias Unidas

In Colonias Unidas in September humidity is 50%. With average temperature 21°C (70°F), this humidity feels like a comfortable embrace, making it pleasant for traveling while still requiring a light layer for occasional cool breezes.

September Average Humidity in Colonias Unidas

This chart illustrates the average monthly humidity levels in Colonias Unidas, 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 Colonias Unidas is approximately 50%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%70%73%83%85%73%63%44%50%53%66%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Colonias Unidas

In Colonias Unidas 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 Colonias Unidas.

Maximum UV Index Levels in Colonias Unidas for September

The chart shows the monthly maximum UV Index (UVI) for Colonias Unidas 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 Colonias Unidas typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec14141310756810131414
Data source: Colonias Unidas 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 Colonias Unidas Compares to Other Months

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

This table compares monthly weather conditions in Colonias Unidas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)134 mm (5.3 inches)76%extreme
February Weather27°C (80°F)65 mm (2.6 inches)70%extreme
March Weather25°C (77°F)108 mm (4.3 inches)73%extreme
April Weather22°C (72°F)89 mm (3.5 inches)83%very high
May Weather18°C (65°F)90 mm (3.6 inches)85%high
June Weather17°C (62°F)48 mm (1.9 inches)73%moderate
July Weather16°C (60°F)37 mm (1.4 inches)63%high
August Weather18°C (64°F)37 mm (1.5 inches)44%very high
September Weather21°C (70°F)76 mm (3.0 inches)50%very high
October Weather23°C (73°F)118 mm (4.7 inches)53%extreme
November Weather25°C (77°F)157 mm (6.2 inches)66%extreme
December Weather27°C (80°F)58 mm (2.3 inches)82%extreme

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