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September Weather in Lake Como, United States

Last updated: June 24, 2025

In Lake Como, United States, the average temperature in September hovers around 21°C (71°F), making it a pleasant time to visit. Expect minimum temperatures of 11°C (51°F) and highs reaching up to 31°C (87°F). With an average humidity of 68% and about 102 mm (4.0 in) of rainfall spread over 10 days, this month presents a refreshing climate with occasional showers. Embrace the varied weather that enhances the region's charm!

September Temperature in Lake Como

In September in Lake Como, the average temperature is 21°C (71°F). Maximum can reach 31°C (87°F) and minimum can be as low as 11°C (51°F). This pleasant climate makes Lake Como an ideal destination for travelers seeking a comfortable getaway during this time.

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

The chart illustrates September temperature patterns in Lake Como, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lake Como, September typically has an average temperature of 21°C (71°F), with highs reaching up to 31°C (87°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec363842516070777670624941
Data source: Temperature data for Lake Como 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 Como

In Lake Como in September, the total precipitation amount is 102 mm (4.0 in) falling over the course of 10 days.

September Precipitation Trends in Lake Como

The chart displays monthly precipitation patterns in Lake Como, 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 Como, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec7812910912412989129126102153100127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lake Como

In Lake Como in September, humidity is 68%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making traveling a bit sticky but also inviting for leisurely strolls and outdoor adventures.

September Average Humidity in Lake Como

This chart illustrates the average monthly humidity levels in Lake Como, 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 Como is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lake Como

In Lake Como 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 Como.

Maximum UV Index Levels in Lake Como for September

The chart shows the monthly maximum UV Index (UVI) for Lake Como 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 Como typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Lake Como 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 Como Compares to Other Months

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

This table compares monthly weather conditions in Lake Como, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)78 mm (3.1 inches)84%moderate
February Weather4°C (39°F)129 mm (5.1 inches)82%moderate
March Weather6°C (43°F)109 mm (4.3 inches)81%high
April Weather11°C (51°F)124 mm (4.9 inches)78%very high
May Weather15°C (60°F)129 mm (5.1 inches)69%very high
June Weather21°C (70°F)89 mm (3.5 inches)69%very high
July Weather25°C (77°F)129 mm (5.1 inches)62%very high
August Weather24°C (76°F)126 mm (4.9 inches)65%very high
September Weather21°C (71°F)102 mm (4.0 inches)68%very high
October Weather17°C (62°F)153 mm (6.0 inches)74%high
November Weather9°C (49°F)100 mm (3.9 inches)82%moderate
December Weather5°C (41°F)127 mm (5.0 inches)80%low

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