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September Weather in Lake Villa, United States

Last updated: June 24, 2025

In September, the average temperature in Lake Villa, United States hovers around 19°C (67°F), with comfortable highs reaching 29°C (84°F) and cooler lows dipping to 6°C (43°F). Expect around 84 mm (3.3 in) of precipitation spread over approximately 10 days, contributing to an average humidity of 79% that enhances the lushness of the landscape.

September Temperature in Lake Villa

In September in Lake Villa, the average temperature is 19°C (67°F). Maximums can reach 29°C (84°F) while minimums can drop as low as 6°C (43°F). This makes Lake Villa an ideal destination for travelers seeking a mix of mild and warm weather during this time of year.

September Weather in Lake Villa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Lake Villa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Villa, September typically has an average temperature of 19°C (67°F), with highs reaching up to 29°C (84°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec262736445465727266543933
Data source: Temperature data for Lake Villa 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 Lake Villa

In Lake Villa in September, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

September Precipitation Trends in Lake Villa

The chart displays monthly precipitation patterns in Lake Villa, 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 Lake Villa, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec6765701131561007472851305758
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lake Villa

In Lake Villa in September, humidity is 79%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that makes traveling a bit more challenging, as the air is thick and can leave you feeling sluggish during outdoor adventures.

September Average Humidity in Lake Villa

This chart illustrates the average monthly humidity levels in Lake Villa, 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 Lake Villa is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lake Villa

In Lake Villa 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 Lake Villa.

Maximum UV Index Levels in Lake Villa for September

The chart shows the monthly maximum UV Index (UVI) for Lake Villa 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 Lake Villa typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: Lake Villa 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 Lake Villa Compares to Other Months

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

This table compares monthly weather conditions in Lake Villa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)67 mm (2.7 inches)85%low
February Weather-3°C (27°F)65 mm (2.6 inches)85%moderate
March Weather2°C (36°F)70 mm (2.8 inches)85%high
April Weather6°C (44°F)113 mm (4.5 inches)85%very high
May Weather12°C (54°F)156 mm (6.1 inches)78%very high
June Weather18°C (66°F)100 mm (3.9 inches)80%very high
July Weather22°C (73°F)74 mm (2.9 inches)78%very high
August Weather22°C (72°F)72 mm (2.8 inches)76%very high
September Weather19°C (67°F)84 mm (3.3 inches)79%very high
October Weather12°C (54°F)130 mm (5.1 inches)83%moderate
November Weather4°C (39°F)56 mm (2.2 inches)88%moderate
December Weather0°C (33°F)58 mm (2.3 inches)81%low

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