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September Weather in Colonia Lavalleja, Uruguay

Last updated: August 28, 2025

The average temperature in Colonia Lavalleja, Uruguay during September is a comfortable 17°C (62°F). However, be prepared for temperature fluctuations, with minimums dropping to 1°C (35°F) and maximums soaring to 33°C (92°F). Expect 147 mm (5.8 in) of precipitation spread over about 8 days, and enjoy a moderate average humidity of 62%.

September Temperature in Colonia Lavalleja

In September, in Colonia Lavalleja, the average temperature is 17°C (62°F). Maximums can reach 33°C (92°F), and minimums can be as low as 1°C (35°F). This climate makes Colonia Lavalleja an ideal destination for travelers seeking a diverse range of weather experiences.

September Weather in Colonia Lavalleja: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Colonia Lavalleja, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Colonia Lavalleja, September typically has an average temperature of 17°C (62°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec787672686056555762667275
Data source: Temperature data for Colonia Lavalleja 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 Colonia Lavalleja

In Colonia Lavalleja in September, the precipitation amount is 147 mm (5.8 in) over the course of 8 days.

September Precipitation Trends in Colonia Lavalleja

The chart displays monthly precipitation patterns in Colonia Lavalleja, 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 Colonia Lavalleja, September typically receives around 147 mm (5.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1271041069414098731251471398984
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Colonia Lavalleja

In Colonia Lavalleja in September, humidity is 62%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it a comfortable yet slightly muggy environment for traveling, perfect for leisurely strolls but possibly requiring light clothing adjustments.

September Average Humidity in Colonia Lavalleja

This chart illustrates the average monthly humidity levels in Colonia Lavalleja, 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 Colonia Lavalleja is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%58%68%79%79%78%70%55%62%64%64%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Colonia Lavalleja

In Colonia Lavalleja in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Colonia Lavalleja.

Maximum UV Index Levels in Colonia Lavalleja for September

The chart shows the monthly maximum UV Index (UVI) for Colonia Lavalleja 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 Colonia Lavalleja typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151312964579121414
Data source: Colonia Lavalleja 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 Colonia Lavalleja Compares to Other Months

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

This table compares monthly weather conditions in Colonia Lavalleja, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)127 mm (5.0 inches)63%extreme
February Weather24°C (76°F)103 mm (4.1 inches)58%extreme
March Weather22°C (73°F)106 mm (4.2 inches)68%extreme
April Weather20°C (68°F)94 mm (3.7 inches)78%very high
May Weather16°C (60°F)140 mm (5.5 inches)79%high
June Weather13°C (57°F)98 mm (3.8 inches)78%moderate
July Weather13°C (55°F)73 mm (2.9 inches)70%moderate
August Weather14°C (58°F)125 mm (4.9 inches)55%high
September Weather17°C (62°F)147 mm (5.8 inches)62%very high
October Weather19°C (66°F)139 mm (5.5 inches)64%extreme
November Weather22°C (72°F)89 mm (3.5 inches)64%extreme
December Weather24°C (75°F)84 mm (3.3 inches)73%extreme

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