September Weather in Lennox, United States

Last updated: June 24, 2025

In Lennox, United States, the average temperature in September hovers around 19°C (66°F). Expect a range where the minimum dips to 3°C (38°F) and the maximum reaches a warm 33°C (92°F). During this month, you can anticipate about 99 mm (3.9 in) of precipitation spread over 8 days, contributing to an average humidity level of 75%.

September Temperature in Lennox

In September in Lennox, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (92°F), while minimums can dip as low as 3°C (38°F). This variety in weather makes Lennox an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates September temperature patterns in Lennox, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lennox, September typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Lennox generated using information from the Copernicus Climate Change Service.

September Precipitation in Lennox

In Lennox in September, the precipitation amount is 99 mm (3.9 in) spread over 8 days.

September Precipitation Trends in Lennox

The chart displays monthly precipitation patterns in Lennox, 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 Lennox, September typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Lennox

In Lennox in September humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

September Average Humidity in Lennox

This chart illustrates the average monthly humidity levels in Lennox, 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 Lennox is approximately 75%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lennox

In Lennox 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 Lennox.

Maximum UV Index Levels in Lennox for September

The chart shows the monthly maximum UV Index (UVI) for Lennox 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 Lennox typically reaches 8, which falls under the very high exposure category.

Data source: Lennox 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 Lennox Compares to Other Months

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

This table compares monthly weather conditions in Lennox, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	22 mm (0.8 inches)	80%	low
February Weather	-6°C (21°F)	24 mm (1.0 inches)	84%	moderate
March Weather	2°C (36°F)	67 mm (2.6 inches)	75%	moderate
April Weather	7°C (46°F)	82 mm (3.2 inches)	79%	very high
May Weather	15°C (60°F)	133 mm (5.2 inches)	74%	very high
June Weather	23°C (74°F)	85 mm (3.4 inches)	81%	extreme
July Weather	24°C (76°F)	80 mm (3.2 inches)	82%	very high
August Weather	22°C (72°F)	91 mm (3.6 inches)	80%	very high
September Weather	19°C (66°F)	99 mm (3.9 inches)	75%	very high
October Weather	9°C (49°F)	78 mm (3.1 inches)	77%	moderate
November Weather	2°C (36°F)	23 mm (0.9 inches)	85%	moderate
December Weather	-3°C (27°F)	39 mm (1.5 inches)	83%	low