September Weather in Lenox, United States

Last updated: February 24, 2025

In September, Lenox, United States experiences a diverse climate characterized by a maximum temperature of 31°C (88°F), with a comfortable average of 17°C (64°F), and occasionally dipping to a minimum of 1°C (34°F). This month sees about 111 mm (4.4 in) of precipitation spread over 9 days, contributing to a humidity level of 72% that adds a touch of crispness to the air. As summer transitions to fall, the weather fluctuates, offering a unique blend of warm days and cooler evenings, making it an enchanting time for residents and visitors alike.

September Temperature in Lenox

In September, Lenox, United States, begins to feel the gentle transition from the warmth of summer to the crispness of fall. The temperatures display a pleasant range, with a minimum of 1°C (34°F) and a comfortable average of 17°C (64°F). The maximum temperature reaches a delightful 31°C (88°F), offering the last taste of warm weather before autumn fully sets in. This month serves as a bridge, showcasing the lingering warmth of summer while hinting at the cooler days ahead, inviting visitors to enjoy the vibrant landscapes during this idyllic time of year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec252834465766727063533830
Data source: Temperature data for Lenox generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lenox

In September, Lenox experiences a moderate precipitation level, with a total of 111 mm (4.4 inches) spread over 9 days. This slight increase from August’s 107 mm suggests a trend toward a wetter fall season, while the reduced number of precipitation days indicates that rainfall may come in more substantial bursts. Collectively, this pattern sets the stage for a transition from the warm summer months into the more intense precipitation typically seen in October. As the year progresses, the shift towards cooler weather will likely influence both the amount and frequency of rain in this charming corner of the United States.

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.
JanFebMarAprMayJunJulAugSepOctNovDec81988713211585136107111152101113
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lenox

In September, Lenox experiences a noticeable shift in humidity, with levels averaging around 72%. This marks a slight increase from the summer months, where humidity dipped to its lowest at 64% in August. As the region transitions into fall, the air begins to retain more moisture, echoing the trend of rising humidity levels seen in the preceding months. This rise is part of a broader pattern, as the humidity consistently escalates from the drier summer into the wetter fall and winter months, striving towards its peak at 89% in January. Thus, September serves as a gentle reminder of summer's retreat, preparing residents for the more humid conditions that lie ahead.

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, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lenox

In September, Lenox experiences a UV Index of 8, maintaining a very high exposure category that calls for caution in sun activities. This slight dip from the peak summer months reflects the transition from the intense UV radiation seen in July and August, where the UV Index also reached 9. With a burn time of just 15 minutes, September reminds sun enthusiasts to stay vigilant and protect their skin, as the danger of sunburn persists well into early fall. As the month progresses, it’s essential to monitor UV levels, with October indicating a decreasing trend to a high index of 6. For a detailed overview, check out Lenox UV Index.

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.
JanFebMarAprMayJunJulAugSepOctNovDec35681010998642
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.

September Sunshine in Lenox

September in Lenox, United States, basks in a splendid 280 hours of sunshine, making it a beautifully luminous transition into fall. As summer's warmth lingers, the month retains a vibrant glow, although slightly less than the peak of July and August, which enjoy over 320 hours each. This gradual decrease marks the start of shorter days, yet September’s sunlight still stands out against the waning brightness of early fall, outshining the cool months ahead. Following the sun-drenched June and July, the month offers a pleasant balance of warmth and approachability, ideal for outdoor activities amid the scenic backdrop of changing leaves. Embrace September's gentle radiance before the sun dips further into the horizon.

Monthly Sunshine Duration in Lenox: September Highlighted

The September sunshine duration represents the total number of hours Lenox experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec132h174h243h231h268h319h328h322h280h207h186h158h
Data source: Lenox September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lenox During September

In September, Lenox experiences a 41% chance of sunny weather, a figure that reflects a moderate likelihood of clear skies as summer transitions into fall. While this percentage is consistent with the warmer months like June and October, it’s worth noting that the chances of sunshine see a slight dip from the summer peak. The lingering warmth of early autumn can encourage pleasant days, though residents should remain prepared for the unpredictability of early fall weather. Comparatively, September stands out favorably when matched against the cloudier months that precede it, specifically July and August, which both have lower probabilities. This balance makes September an inviting time to enjoy outdoor activities amid the beautiful autumnal landscape.

Percentage of Sunny Days in September in Lenox

The chart illustrates the percentage of sunny days in Lenox throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lenox experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%28%55%43%35%41%34%31%41%40%51%27%
Data source: Lenox September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lenox in September

As September rolls in, Lenox begins to experience a subtle shift in daylight, bringing an average of 12 hours of bright sunshine each day. This marks a gentle decline from the 14 hours enjoyed in May and June, providing a balanced blend of daylight and dusk that perfectly complements the onset of autumn. Following the lingering warmth of summer, daylight in September signifies a transitional phase, as the sun begins to dip more quickly toward the western horizon. The gradual decrease in illumination not only frames the changing colors of the landscape but also sets the stage for the shorter, cozier days that October will soon bring.

Average Daylight Hours in Lenox for September

The chart illustrates the variation in daylight duration in Lenox throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 28m10h 34m11h 57m13h 23m14h 36m15h 12m14h 52m13h 48m12h 25m11h9h 45m9h 7m
Data source: Lenox daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lenox

As summer fades and autumn approaches, September in Lenox sees a gentle increase in wind speed, averaging 3.0 m/s (7 mph). This subtle uptick from the lighter breezes of July and August—both at 2.5 m/s (6 mph)—offers a refreshing change, hinting at the seasonal shift. While earlier months like March showcase stronger winds of 4.0 m/s (9 mph), September’s moderate gusts create a pleasant backdrop for outdoor activities amidst the changing foliage. Interestingly, as the year progresses, wind speeds stabilize around the 3.0 to 3.5 m/s mark, creating a harmonious flow that characterizes Lenox’s crisp fall days. With these breezes gently rustling the leaves, September invites residents and visitors alike to embrace the beauty of the autumn season.

Average September Wind Speed in Lenox

The chart displays monthly wind speed patterns in Lenox, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.44.03.43.22.82.52.53.0 m/s3.03.13.3
Data source: Lenox September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lenox Compares to Other Months

The weather in Lenox changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Lenox and find detailed weather information for every month.

September weather is characterized by a warm range of temperatures, with highs reaching up to 31°C (88°F) and lower averages around 17°C (64°F), while January presents a stark contrast with much colder conditions, where temperatures can dip as low as -25°C (-13°F). In September, the region experiences more precipitation, totaling 111 mm (4.4 in) over nine days, compared to January's 81 mm (3.2 in), even though both months see rain or snow on about nine days. Additionally, humidity levels are generally higher in January at 89%, compared to 72% in September, creating a much chillier and damp atmosphere during the winter months. For a closer look at the specifics of January weather, check out Lenox weather in January.

September and February present strikingly different weather contrasts. In September, temperatures range from a pleasant 1°C (34°F) at night to a warm high of 31°C (88°F), accompanied by an average temperature of 17°C (64°F) and relative humidity at 72%. The month brings about 111 mm (4.4 in) of precipitation over 9 days. In contrast, February's conditions are significantly colder, featuring minimum temperatures plummeting to -24°C (-10°F) and maximums reaching up to 21°C (70°F), while the average sits at a chilly -2°C (29°F). Despite February's slightly lower total precipitation of 98 mm (3.9 in) over 12 days, the humidity spikes to 88%. For more information on February weather, check out Lenox weather in February.

September and March offer strikingly different weather experiences. In September, temperatures range from a chilly 1°C (34°F) at night to a warm 31°C (88°F) during the day, with an average of 17°C (64°F). This month sees about 111 mm (4.4 in) of precipitation over 9 days and maintains a humidity level of 72%. In contrast, March is much colder, with minimum temperatures plunging to -18°C (-1°F), an average of just 1°C (34°F), and a maximum of 22°C (72°F). The precipitation is slightly lower at 87 mm (3.4 in) across 11 days, and humidity rises to 86%. For detailed insights into March weather, you can visit Lenox weather in March.

When comparing the weather in September to that of April, several notable differences emerge. September experiences a wider range of temperatures, with minimums around 1°C (34°F) and maximums reaching up to 31°C (88°F), resulting in a comfortable average of 17°C (64°F). In contrast, April starts colder with minimum temperatures dipping to -6°C (22°F) and averages only 8°C (46°F), although it can still reach a pleasant maximum of 28°C (82°F). Additionally, September typically sees 111 mm (4.4 inches) of rain over about 9 days, while April is slightly wetter, with 132 mm (5.2 inches) over 14 days. The humidity is also higher in April at 84%, compared to September's 72%. For more detailed insights, you can check Lenox weather in April.

In comparing the weather between September and May, we see distinct differences in temperature and precipitation patterns. September generally has a warmer climate, with average temperatures reaching 17°C (64°F) and maximums climbing up to 31°C (88°F), whereas May's temperatures are slightly cooler, averaging 14°C (57°F) with a peak of 32°C (89°F). Notably, September experiences less precipitation at 111 mm (4.4 in) over 9 days, compared to May's 115 mm (4.5 in) falling over 14 days, indicating that May tends to be wetter despite having a lower average temperature. Additionally, humidity levels are relatively similar, with September at 72% and May slightly higher at 76%. For more specific insights, you can check out Lenox weather in May.

When comparing the weather in September and June, it's clear that both months offer warm temperatures but with distinct characteristics. In September, the temperature ranges from a minimum of 1°C (34°F) to a maximum of 31°C (88°F), with an average of 17°C (64°F). This month also sees higher precipitation at 111 mm (4.4 in) across 9 days. In contrast, June features slightly warmer nights with a minimum of 4°C (40°F) and a maximum of 33°C (91°F), averaging 19°C (66°F). However, June has less rainfall, totaling 85 mm (3.4 in) over 12 days. Notably, the humidity remains consistent at 72% during both months, shaping a comfortable atmosphere. For a closer look at the weather specifics in June, you can check Lenox weather in June.

In comparing the weather between September and July, we see notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums dropping to 1°C (34°F) and máximas reaching up to 31°C (88°F), while the average temperature is slightly cooler at 17°C (64°F). In contrast, July maintains a milder temperature with minimums of 10°C (51°F) and maximums of 34°C (93°F), resulting in a warmer average of 22°C (72°F). Additionally, September sees 111 mm (4.4 in) of rain spread over 9 days, compared to July's higher precipitation of 136 mm (5.4 in) over 13 days, indicating a wetter month overall. The humidity also tends to be slightly higher in September at 72%, versus 66% in July. For a detailed look at July weather in Lenox, you can visit Lenox weather in July.

In comparing the weather between August and September, notable differences emerge. August typically enjoys a warmer climate, with a minimum temperature of 9°C (48°F) and an average of 21°C (70°F), peaking at 33°C (91°F). In contrast, September experiences a cooler range, with temperatures dropping to a minimum of 1°C (34°F) and an average of 17°C (64°F), reaching a maximum of 31°C (88°F). Both months see similar levels of precipitation, with August recording 107 mm (4.2 in) over 11 days, while September has slightly higher rainfall at 111 mm (4.4 in) over 9 days. Moreover, humidity is lower in August at 64% compared to September's 72%, indicating a more comfortable atmosphere during the summer month. For a more detailed look at August weather, you can check out Lenox weather in August.

September typically experiences milder temperatures, with minimums around 1°C and maximums reaching up to 31°C, while October sees a notable drop, with minimums plunging to -7°C and a more moderate maximum of 26°C. Although September has a lower total precipitation of 111 mm over 9 days, October’s rainfall increases to 152 mm across 12 days, indicating a wetter month ahead. Additionally, October brings higher humidity levels, averaging around 81% compared to September's 72%. For more details on the weather patterns in October, visit Lenox weather in October.

In September, temperatures range from a low of 1°C (34°F) to a high of 31°C (88°F), with an average of 17°C (64°F), creating a warm and inviting atmosphere. The month experiences about 111 mm (4.4 in) of precipitation over 9 days, with a humidity level of 72%. In contrast, November brings a significant drop in temperatures, with a minimum of -21°C (-5°F) and an average of just 4°C (39°F). Although the maximum temperature can reach up to 22°C (72°F), the overall feel is much colder. Precipitation is slightly lower at 101 mm (4.0 in) occurring over 11 days, and humidity climbs to 87%. For more detailed insights on the climate specifics, you can check Lenox weather in November.

In September, the weather features a wide range of temperatures, with daytime highs reaching up to 31°C (88°F) and cooler nights dropping to a minimum of 1°C (34°F). This month experiences an average temperature of 17°C (64°F) and about 111 mm (4.4 in) of precipitation over 9 days, alongside a humidity level of 72%. In stark contrast, December brings much colder conditions, with temperatures ranging from a frigid minimum of -21°C (-5°F) to a maximum of 15°C (59°F), averaging around -1°C (30°F). The precipitation in December is slightly higher at 113 mm (4.4 in) but occurs over 11 days, while humidity rises to 84%, creating a noticeably chillier atmosphere. For more detailed information about December weather, check out Lenox weather in December.

Compare Lenox's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lenox

As September unfolds in Lenox, it's a month of transition, marked by a shift from the heat of summer to the crispness of autumn. With temperatures averaging a comfortable 17°C, the days still hold warmth, occasionally soaring to highs of 31°C. However, the emergence of cooler nights reminds us that winter is on the horizon. This month also sees an increase in precipitation, totaling 111 mm over about 9 days, contributing to the lush scenery of fall. Humidity remains noticeable, hovering around 72%, but the invigorating air offers a refreshing change from the stifling summer heat. Overall, September in Lenox invites both warmth and renewal, making it a unique month in the region's climate. For more detailed insights into the weather patterns, visit Lenox Climate.