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September Weather in Lenox, United States

Last updated: June 24, 2025

In September, the average temperature in Lenox, United States hovers around 20°C (69°F), with a comfortable average humidity of 73%. However, be prepared for a range: the minimum can dip to 5°C (42°F) while highs can reach up to 33°C (92°F). It's also a relatively wet month, with 127 mm (5.0 in) of precipitation over 10 days, so don't forget your umbrella!

September Temperature in Lenox

In September in Lenox, the average temperature is 20°C (69°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 5°C (42°F). Overall, it's a great time for travelers to enjoy a mix of warm days and cooler evenings in Lenox.

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

The chart illustrates September temperature patterns in Lenox, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lenox, September typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (42°F).
JanFebMarAprMayJunJulAugSepOctNovDec242541506375777468523932
Data source: Temperature data for Lenox 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 Lenox

In Lenox in September, the precipitation amount is 127 mm (5.0 in), spread over a period of 10 days.

September Precipitation Trends in Lenox

The chart displays monthly precipitation patterns in Lenox, 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 Lenox, September typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec37358667172116851041281443734
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lenox

In Lenox in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Lenox

This chart illustrates the average monthly humidity levels in Lenox, 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 Lenox is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lenox

In Lenox 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 Lenox.

Maximum UV Index Levels in Lenox for September

The chart shows the monthly maximum UV Index (UVI) for Lenox 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 Lenox typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810111098643
Data source: Lenox 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 Lenox Compares to Other Months

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

This table compares monthly weather conditions in Lenox, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)37 mm (1.5 inches)78%moderate
February Weather-4°C (26°F)35 mm (1.4 inches)80%moderate
March Weather5°C (41°F)86 mm (3.4 inches)77%high
April Weather10°C (50°F)67 mm (2.6 inches)77%very high
May Weather17°C (63°F)172 mm (6.8 inches)77%very high
June Weather24°C (75°F)116 mm (4.6 inches)81%extreme
July Weather25°C (77°F)85 mm (3.3 inches)81%very high
August Weather23°C (74°F)104 mm (4.1 inches)77%very high
September Weather20°C (69°F)127 mm (5.0 inches)73%very high
October Weather11°C (53°F)144 mm (5.7 inches)75%high
November Weather4°C (39°F)37 mm (1.4 inches)85%moderate
December Weather0°C (32°F)34 mm (1.3 inches)83%moderate

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