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September Weather in Atlantida, Uruguay

Last updated: August 28, 2025

In September, the average temperature in Atlantida, Uruguay hovers around 14°C (57°F), with a comfortable range that sees minimums of 4°C (39°F) and maximums reaching up to 28°C (83°F). Expect a total precipitation of 84 mm (3.3 in) over approximately 7 days, complemented by a relatively high average humidity of 76%.

September Temperature in Atlantida

In September in Atlantida, the average temperature is 14°C (57°F). The maximum can reach 28°C (83°F), and the minimum can be as low as 4°C (39°F). This makes Atlantida a great destination for travelers seeking a mild climate during this time of year.

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

The chart illustrates September temperature patterns in Atlantida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atlantida, September typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec747269665854525457616670
Data source: Temperature data for Atlantida 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 Atlantida

In Atlantida in September, the total precipitation amount is 84 mm (3.3 in) distributed over a span of 7 days.

September Precipitation Trends in Atlantida

The chart displays monthly precipitation patterns in Atlantida, 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 Atlantida, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec688973771001041099084836664
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Atlantida

In Atlantida in September humidity is 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.

September Average Humidity in Atlantida

This chart illustrates the average monthly humidity levels in Atlantida, 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 Atlantida is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Atlantida

In Atlantida 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 Atlantida.

Maximum UV Index Levels in Atlantida for September

The chart shows the monthly maximum UV Index (UVI) for Atlantida 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 Atlantida typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753468111314
Data source: Atlantida 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 Atlantida Compares to Other Months

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

This table compares monthly weather conditions in Atlantida, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)67 mm (2.7 inches)63%extreme
February Weather22°C (73°F)89 mm (3.5 inches)69%extreme
March Weather21°C (70°F)73 mm (2.9 inches)73%extreme
April Weather19°C (66°F)77 mm (3.0 inches)79%high
May Weather15°C (59°F)100 mm (3.9 inches)82%moderate
June Weather12°C (54°F)104 mm (4.1 inches)80%moderate
July Weather11°C (52°F)109 mm (4.3 inches)72%moderate
August Weather12°C (54°F)90 mm (3.6 inches)72%high
September Weather14°C (57°F)84 mm (3.3 inches)76%very high
October Weather16°C (61°F)83 mm (3.3 inches)71%extreme
November Weather19°C (66°F)66 mm (2.6 inches)68%extreme
December Weather21°C (70°F)64 mm (2.5 inches)65%extreme

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