September Weather in Ludlow, United States

Last updated: February 24, 2025

September weather in Ludlow, United States, presents a vibrant transition into fall. With temperatures peaking at a maximum of 30°C (87°F) and averaging around 15°C (60°F), the month offers a delightful blend of warmth and cool breezes. Overnight, temperatures can drop to a minimum of -2°C (29°F), highlighting the region's dynamic climate. Rainfall is moderate, totaling 86 mm (3.4 in) over approximately 9 days, while humidity hovers around 72%. This mix of conditions creates a uniquely refreshing atmosphere, perfect for outdoor activities and experiencing the beauty of early autumn.

September Temperature in Ludlow

In September, Ludlow experiences a delightful transition as summer gives way to fall. With minimum temperatures hovering around -2°C (29°F) and reaching an average of 15°C (60°F), this month marks a significant shift from the heat of July and August. The maximum temperature can rise to a comfortable 30°C (87°F), allowing for pleasant outdoor activities. This month’s moderate temperatures create a perfect balance, making September one of the more enjoyable times of the year in Ludlow. As the crispness of autumn begins to set in, residents can relish in the rich colors of nature while still enjoying a taste of summer warmth.

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

The chart illustrates September temperature patterns in Ludlow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec202329425564696760483425
Data source: Temperature data for Ludlow 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 Ludlow

In September, Ludlow experiences a decline in precipitation, with 86 mm (3.4 in) of rain falling over just 9 days. This marks a shift from the wetter summer months, where July bore the brunt with 167 mm (6.6 in) across 13 days. September’s rainfall is notably lighter compared to the preceding months, continuing the trend of reduced precipitation as autumn approaches. The relatively dry conditions can offer a respite after the more intense summer storms, making room for the onset of the fall’s vibrant foliage. As the year progresses, Ludlow transitions from the lush greens of summer to the crisp atmosphere of autumn, with rainfall patterns reflecting this seasonal change.

September Precipitation Trends in Ludlow

The chart displays monthly precipitation patterns in Ludlow, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7889791291011181681138615510899
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ludlow

In September, Ludlow experiences a noticeable shift in humidity, with levels settling at 72%. This marks a slight increase from the 64% recorded in August, signaling the approach of fall. Throughout the year, humidity in Ludlow tends to decrease gradually from a high of 89% in January to its lowest point of 64% in August. As summer fades, September’s humidity reflects a transitional phase, as it begins to rise again in October at 81%. This pattern underscores the rhythmic ebb and flow of humidity that characterizes Ludlow's climate, with autumn bringing both a refreshing coolness and an uptick in moisture levels.

September Average Humidity in Ludlow

This chart illustrates the average monthly humidity levels in Ludlow, 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 Ludlow

As September rolls in Ludlow, the UV Index settles at a moderate 7, indicating a shift from the peak summer values. This month, residents and visitors alike can expect a high exposure category with a burn time of approximately 25 minutes—a slight decrease from the intense levels of late summer. As days grow shorter and temperatures begin to cool, the UV Index drops from the very high ratings seen in July and August, allowing for more comfortable outdoor activities without as much risk of sunburn. Nonetheless, it's wise to stay vigilant and protect your skin against the sun’s rays. For more information on UV levels throughout the year, visit Ludlow UV Index.

Maximum UV Index Levels in Ludlow for September

The chart shows the monthly maximum UV Index (UVI) for Ludlow 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.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997532
Data source: Ludlow 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 Ludlow

As summer gracefully transitions into fall, September in Ludlow showcases a remarkable 291 hours of sunshine, bridging the warm embrace of summer and the crispness of autumn. This month stands out with a notable decline in daylight compared to the 336 hours seen in August, yet it still boasts a generous amount of sunshine—one of the highest for September in recent years. Following the sun-drenched months of June and July, which enjoy over 320 hours, the sunny days of September keep the outdoor spirit alive, inviting residents to relish in the last warm days before the shorter days of October set in. This trend highlights how the region experiences a gradual descent in sunlight as it heads towards winter, but September continues to be a bright spot in the year, encouraging outdoor activities and vibrant community gatherings.

Monthly Sunshine Duration in Ludlow: September Highlighted

The September sunshine duration represents the total number of hours Ludlow 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.
JanFebMarAprMayJunJulAugSepOctNovDec125h161h233h225h273h324h332h336h291h204h167h151h
Data source: Ludlow September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ludlow During September

In September, Ludlow sees a 38% chance of sunny weather, presenting a delightful opportunity for outdoor activities as summer transitions to fall. This likelihood is relatively consistent with the preceding months, notably higher than the summer months of July and August, which dip to 27% and 29% respectively. In fact, September's sunniness aligns closely with the overall weather trends of spring, where March boasts a peak chance of 50%. While the overall chance of sunshine fluctuates throughout the year, September stands out as a period where the sun begins to make a more frequent appearance again, paralleling the 45% sunny days expected in November. As summer's heat diminishes, it paves the way for crisp, clear days that are perfect for enjoying the changing leaves and the onset of autumn.

Percentage of Sunny Days in September in Ludlow

The chart illustrates the percentage of sunny days in Ludlow 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 Ludlow experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%27%50%37%34%39%27%29%38%34%45%24%
Data source: Ludlow September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ludlow in September

As summer fades into autumn, September in Ludlow, United States, offers a gentle transition with 12 hours of daylight. This marks a slight decline from the sun-drenched months of June and July, where daylight peaked at 15 hours. However, the days remain longer than those in the deep winter months, creating a perfect blend of warmth and crispness. With each passing month, daylight gradually diminishes, shifting towards the 10 hours of October, while serving as a reminder of the vibrant fall foliage that awaits. The subtle shift in light invites residents and visitors alike to embrace the changing seasons, capturing the beauty of nature as it prepares for winter's embrace.

Average Daylight Hours in Ludlow for September

The chart illustrates the variation in daylight duration in Ludlow throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 30m11h 57m13h 26m14h 42m15h 20m14h 59m13h 52m12h 26m10h 57m9h 40m9h
Data source: Ludlow daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ludlow

As September unfolds in Ludlow, the average wind speed gently rises to 2.8 m/s (6 mph), providing a subtle shift from the notably calm summer months. This slight increase from August's 2.1 m/s (5 mph) hints at the approaching autumn, where breezes begin to invigorate the landscape and signal the change in seasons. Throughout the year, Ludlow experiences a dynamic fluctuation in wind patterns, with the briskest winds observable in March at 3.8 m/s (9 mph). Interestingly, the months leading up to September showcase a gradual decline in windiness, culminating in July's calmest period at 2.4 m/s (5 mph). As autumn beckons, September’s winds offer a refreshing reprieve, bridging the tranquil summer and the more blustery autumnal months ahead.

Average September Wind Speed in Ludlow

The chart displays monthly wind speed patterns in Ludlow, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.13.83.12.82.92.42.12.8 m/s2.72.93.3
Data source: Ludlow September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ludlow Compares to Other Months

The weather in Ludlow 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 Ludlow and find detailed weather information for every month.

September and January present strikingly different weather conditions. In September, temperatures typically range from a chilly -2°C (29°F) to a warm 30°C (87°F), with an average of 15°C (60°F), and the month experiences about 86 mm (3.4 in) of precipitation over 9 days at a humidity level of 72%. In contrast, January brings much colder temperatures, with a minimum of -31°C (-23°F) and a maximum of 14°C (58°F), averaging -7°C (20°F). While January receives slightly less precipitation at 78 mm (3.1 in), it occurs over more days, totaling 11, with humidity peaking at 89%. For more details about January weather, check out Ludlow weather in January.

September and February present striking contrasts in weather conditions. In September, temperatures range from a chilly minimum of -2°C (29°F) to a warm maximum of 30°C (87°F), with an average of 15°C (60°F), while February experiences much colder conditions, with minimum temperatures plummeting to -27°C (-17°F) and an average of -5°C (23°F), peaking at 20°C (69°F). Although both months receive a comparable amount of precipitation—September with 86 mm (3.4 in) over 9 days and February with 89 mm (3.5 in) over 12 days—February's higher humidity at 88% contributes to a more pronounced chill. For a more detailed look at February weather, you can visit Ludlow weather in February.

September and March display distinctly different weather patterns. In September, temperatures vary from a chilly -2°C (29°F) to a warm 30°C (87°F), with an average of 15°C (60°F). This month experiences moderate precipitation at 86 mm (3.4 in) over around 9 days, and humidity levels are moderate at 72%. Conversely, March is much colder, with temperatures ranging from a frigid -20°C (-4°F) to a milder 19°C (66°F), averaging at -1°C (30°F). Precipitation in March is slightly lower at 79 mm (3.1 in) but occurs over more days, approximately 11, and humidity is higher at 86%. For more details, check out Ludlow weather in March.

When comparing the weather in September to that of April, several notable differences emerge. September typically boasts a wider temperature range, with minimums around -2°C (29°F) and maximums reaching 30°C (87°F), leading to an average of 15°C (60°F). In contrast, April experiences cooler conditions, with minimum temperatures dropping to -9°C (16°F) and maximums capping at 26°C (78°F), resulting in an average of just 6°C (42°F). Additionally, September sees less rainfall (86 mm over 9 days) compared to April's higher precipitation levels of 129 mm across 15 days, contributing to a slightly lower humidity in September at 72% versus April’s 84%. For more details, you can check Ludlow weather in April.

In September, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 30°C (87°F), with an average of 15°C (60°F). The month experiences around 86 mm (3.4 in) of precipitation over 9 days, contributing to a humidity level of 72%. In contrast, May sees a similar minimum temperature of -2°C (29°F), but with a lower average of 13°C (55°F) and a slightly higher maximum of 32°C (90°F). This month is wetter, with 101 mm (4.0 in) of precipitation spread over 15 days and a humidity level of 76%. For more details on weather patterns, you can visit Ludlow weather in May.

September and June exhibit notable differences in weather patterns. In September, temperatures range from a chilly -2°C (29°F) to a warm 30°C (87°F), with an average of 15°C (60°F). This month experiences about 86 mm (3.4 in) of precipitation over 9 days, maintaining a consistent humidity level of 72%. Conversely, June starts off slightly warmer, with minimum temperatures of 1°C (35°F) and maximums reaching 33°C (91°F), averaging at 18°C (64°F). It sees an increased precipitation of 118 mm (4.6 in) over 14 days, while also holding steady at 72% humidity. For more details on June weather, you can view Ludlow weather in June.

In comparing the weather between September and July, September exhibits a broader temperature range, with minimums dropping to -2°C (29°F) and maximums reaching up to 30°C (87°F) while averaging around 15°C (60°F). The month sees significant humidity at 72% and experiences precipitation on 9 days, accumulating to 86 mm (3.4 in). In contrast, July is warmer overall, with minimum temperatures of 8°C (46°F) and maximums peaking at 35°C (96°F), an average of 20°C (69°F). However, July is also wetter, with higher precipitation of 167 mm (6.6 in) occurring over 13 days and slightly lower humidity at 66%. For more detailed information on July weather, you can visit Ludlow weather in July.

In comparing the weather of September and August, September experiences a wider temperature range, with a minimum of -2°C (29°F) and a maximum of 30°C (87°F), while August's temperatures are consistently warmer, ranging from a minimum of 5°C (41°F) to a maximum of 32°C (89°F). August also has higher average temperatures at 19°C (67°F) compared to September's average of 15°C (60°F). Precipitation is more frequent in August, with 113 mm (4.5 in) falling over 14 days, whereas September sees less rainfall at 86 mm (3.4 in) over 9 days. Interestingly, September is more humid at 72%, compared to August's 64%. For more details, you can check out Ludlow weather in August.

September and October showcase a noticeable transition in weather patterns. In September, temperatures range from a minimum of -2°C (29°F) to a maximum of 30°C (87°F), with an average of 15°C (60°F) and relatively low precipitation of 86 mm (3.4 in) over 9 days. The humidity sits at 72%, making it feel quite comfortable. Conversely, October experiences a drop in temperature, with minimums reaching -9°C (17°F) and an average of 9°C (49°F), while the maximum temperature is milder at 25°C (76°F). Precipitation increases significantly to 155 mm (6.1 in) across 13 days, accompanied by a rise in humidity to 81%. For a more detailed look at October weather, visit Ludlow weather in October.

September weather generally presents milder conditions compared to November. With minimum temperatures reaching as low as -2°C (29°F) and an average of 15°C (60°F), September enjoys warmer days, peaking at 30°C (87°F). In contrast, November's temperatures can drop significantly, with minimum values sinking to -23°C (-10°F) and an average temperature of just 1°C (34°F), although it can still reach a pleasant maximum of 22°C (71°F). Precipitation also differs, with September receiving 86 mm (3.4 in) over about 9 days, while November sees slightly more with 108 mm (4.3 in) over 13 days, leading to higher humidity levels of 87%. For more detailed insights, check out Ludlow weather in November.

In September, the weather is considerably milder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 30°C (87°F), averaging around 15°C (60°F). This month experiences about 86 mm (3.4 in) of precipitation over approximately 9 days, accompanied by a humidity level of 72%. In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -26°C (-15°F) and peaking at 14°C (57°F), resulting in an average temperature of -4°C (25°F). Additionally, December sees a slight increase in precipitation to 99 mm (3.9 in) over 11 days, and humidity rises to 84%. For a more detailed look at December weather, you can visit Ludlow weather in December.

Compare Ludlow's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ludlow

As summer transitions into autumn, September in Ludlow offers a unique blend of warmth and crispness that sets it apart from other months. With maximum temperatures reaching a pleasant 30°C (87°F), it provides opportunities for lingering outdoor activities amidst the vibrant foliage. However, the average temperature settles around a comfortable 15°C (60°F), while nights can feel quite chilly with lows dipping to -2°C (29°F). This month is also notable for its rainfall, with approximately 86 mm (3.4 in) spread over nine days, contributing to a humidity level of 72% that can make the air feel brisk yet invigorating. The distinctive weather of September invites both adventure and reflection as summer fades and autumn beckons. For a deeper dive into how Ludlow’s weather behaves year-round, visit Ludlow Climate.