September Weather in Lake George, United States

Last updated: February 24, 2025

September in Lake George, United States, offers a vibrant transition into the fall season, characterized by maximum temperatures reaching 32°C (90°F) and a pleasant average of 17°C (62°F). As the days gradually cool, temperatures can dip to a refreshing minimum of 0°C (32°F). This month experiences about 78 mm (3.1 in) of precipitation over 9 days, contributing to a humidity level of 72% that keeps the air feeling fresh and invigorating. Ideal for outdoor enthusiasts, September is a time when the natural beauty of Lake George unfolds in stunning hues, inviting visitors to embrace the changing landscape.

September Temperature in Lake George

As summer gracefully transitions into autumn, September in Lake George offers a delightful climate where the chill of winter is still a distant memory. With minimum temperatures hovering around 0°C (32°F) and an average of 17°C (62°F), the month signifies a refreshing shift from the heat of summer. Daytime highs can reach a comfortable 32°C (90°F), making it perfect for outdoor activities amidst the scenic beauty of the lake. This blend of cool mornings and warm afternoons creates an inviting atmosphere, ideal for hiking, boating, and enjoying the vibrant fall foliage that begins to emerge. As September unfolds, visitors can savor pleasant days before the steady decline in temperatures signals the approach of winter.

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

The chart illustrates September temperature patterns in Lake George, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec212431445765716962503627
Data source: Temperature data for Lake George 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 George

In September, Lake George experiences a modest precipitation amount of 78 mm (3.1 in), accompanied by nine days of rain. This marks a decline from the wetter summer months, notably July and August, which averaged 141 mm (5.6 in) and 113 mm (4.5 in), respectively. As the summer heat fades, September sets the stage for a transition into fall, signified by less frequent rain and cooler temperatures. October typically brings a resurgence in precipitation, with amounts rising sharply to 151 mm (6.0 in), suggesting a seasonal pattern where September serves as a bridge from the warmth of summer to the wet briskness of autumn. The steady rainfall throughout the summer and early fall helps nourish the region's lush landscapes, creating a picturesque and vibrant setting.

September Precipitation Trends in Lake George

The chart displays monthly precipitation patterns in Lake George, 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.
JanFebMarAprMayJunJulAugSepOctNovDec818570127971041411137915110496
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lake George

As summer transitions into autumn, September in Lake George, United States, is marked by a noticeable shift in humidity levels. With an average humidity of 72%, September experiences a slight uptick after the drier months of July and August, which saw figures at 66% and 64%, respectively. This increase signals the approaching fall season, as humidity begins to rise once again, setting the stage for the cooler months ahead. Interestingly, September's levels are notably lower than the winter peaks, where humidity hits 89% in January and 88% in February, highlighting the region's seasonal climate variations. Overall, the gentle surge in humidity this month reflects the natural rhythm of weather patterns transitioning from the warmth of summer to the crispness of fall.

September Average Humidity in Lake George

This chart illustrates the average monthly humidity levels in Lake George, 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 Lake George

As September rolls into Lake George, the UV Index begins to taper off from the intense summer levels, yet it still holds a high reading of 7, which indicates that sunburn can occur with prolonged exposure. With a burn time of 25 minutes, this month marks a slight decrease from the peak summer months but still demands caution. Compared to the very high indices of 9 and 10 seen from May through August, September serves as a reminder to enjoy the outdoors while being mindful of sun safety. As temperatures begin to cool, make sure to keep an eye on the UV levels and protect your skin accordingly. For more detailed insights, visit Lake George UV Index.

Maximum UV Index Levels in Lake George for September

The chart shows the monthly maximum UV Index (UVI) for Lake George 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.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: Lake George 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 Lake George

As summer transitions into fall, September in Lake George continues to bask in a generous 292 hours of sunshine, making it a delightful time for outdoor activities. Remarkably, this month retains a significant amount of sunshine, following the peak summer months of July and August, which boast 336 and 332 hours, respectively. Although September sees a slight decline, it still comfortably surpasses the dreary winter months, such as January with just 113 hours. This trend highlights the region's pleasant early autumn climate, perfectly suited for enjoying the stunning foliage and serene lakeside views. As the days grow shorter, September’s warmth serves as a gentle reminder of summer’s lingering embrace before the chill of October sets in.

Monthly Sunshine Duration in Lake George: September Highlighted

The September sunshine duration represents the total number of hours Lake George 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.
JanFebMarAprMayJunJulAugSepOctNovDec113h152h226h225h269h325h336h332h292h204h157h133h
Data source: Lake George September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lake George During September

As summer winds down, September in Lake George offers a 39% chance of sunny weather, marking a slight increase compared to the preceding months. While summer months typically showcase lower probabilities of sunshine, September presents a transitional phase where sunshine becomes more prevalent, especially after the fluctuating conditions of July and August. Interestingly, this uptick in sunny days aligns well with the 45% chance of sun in November, hinting at a comforting climate that encourages visitors to enjoy the beautiful fall foliage. Overall, September's weather strikes a balance, inviting outdoor activities while hinting at the seasonal changes to come.

Percentage of Sunny Days in September in Lake George

The chart illustrates the percentage of sunny days in Lake George 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 Lake George experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%28%54%38%36%38%31%34%39%34%45%25%
Data source: Lake George September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lake George in September

As summer fades into autumn, September brings a gentle transition in daylight hours at Lake George, with about 12 hours of sunlight per day. This marks a gradual decline from the 15 hours enjoyed in June and July, highlighting a shift towards shorter days as the year progresses. While the month retains a generous amount of light compared to the winter months, such as October with its 10 hours and the even shorter November days, September still allows for ample opportunities to savor the stunning fall foliage and outdoor activities. The rhythm of daylight in Lake George reflects the changing seasons, paving the way for cozy evenings as temperatures dip and nature prepares for rest.

Average Daylight Hours in Lake George for September

The chart illustrates the variation in daylight duration in Lake George 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 58m13h 27m14h 43m15h 20m15h13h 52m12h 26m10h 57m9h 39m8h 59m
Data source: Lake George daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lake George

As September ushers in the transition from summer to fall at Lake George, the average wind speed remains a moderate 2.6 m/s (6 mph). This gentle breeze mirrors the overall trend observed throughout the year, where wind speeds are generally mild, peaking slightly in March at 3.5 m/s (8 mph) and dipping to their lowest in the warmer months of July and August. The wind's steadiness serves as a reminder of nature's rhythm, providing a comforting backdrop as the vibrant autumn colors begin to unfold. As the year progresses, September's breezes offer a fleeting glimpse of the refreshing changes ahead, setting the stage for the crisp winds of fall.

Average September Wind Speed in Lake George

The chart displays monthly wind speed patterns in Lake George, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.83.52.72.62.82.22.12.6 m/s2.42.62.8
Data source: Lake George September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lake George Compares to Other Months

The weather in Lake George 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 Lake George and find detailed weather information for every month.

September and January present starkly contrasting weather conditions. In September, temperatures range from a chilly 0°C (32°F) at night to a warm 32°C (90°F) during the day, with an average temperature of 17°C (62°F). Meanwhile, January experiences frigid temperatures, with nighttime lows plunging to -29°C (-20°F) and daytime highs only reaching 14°C (57°F), averaging around -6°C (22°F). Both months witness similar precipitation levels, with around 80 mm (3.2 in) of rainfall spread over approximately 9 days, but January's humidity is notably higher at 89%, compared to September's 72%. For more details on January's conditions, check out Lake George weather in January.

September and February present contrasting weather conditions, highlighting the shift between seasons. September boasts a milder climate, with average temperatures around 17°C (62°F) and highs reaching up to 32°C (90°F). However, it also experiences significant humidity at 72% and some rainfall, with 78 mm (3.1 inches) of precipitation over 9 days.

In stark contrast, February is characterized by frigid temperatures, with averages plummeting to -4°C (25°F) and minimums dipping as low as -25°C (-13°F). This winter month sees higher humidity levels at 88% and slightly more precipitation, totaling 85 mm (3.3 inches) over 11 days. For more specific weather details during that month, visit Lake George weather in February.

September and March exhibit strikingly different weather characteristics. In September, temperatures range from a chilly 0°C (32°F) to a warm 32°C (90°F), with an average of 17°C (62°F). The month experiences about 78 mm (3.1 in) of precipitation over 9 days, accompanied by a moderate humidity level of 72%. In contrast, March sees much colder temperatures, with a minimum of -20°C (-4°F) and a maximum of 22°C (71°F), resulting in an average temperature of around 0°C (32°F). Precipitation is slightly lower at 70 mm (2.7 in) also over 9 days, but humidity is higher at 86%. For a detailed look at March weather conditions, visit Lake George weather in March.

September and April exhibit distinct weather patterns that reflect the changing seasons. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 32°C (90°F), with an average of 17°C (62°F). The month experiences a moderate level of precipitation, totaling 78 mm (3.1 in) over about 9 days, accompanied by a humidity level of 72%. In contrast, April is cooler, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 26°C (80°F) and an average of 7°C (44°F). It is also wetter, receiving 127 mm (5.0 in) of precipitation over approximately 13 days and higher humidity at 84%. For a more detailed look at weather specifics, check out Lake George weather in April.

When comparing the weather in September and May, both months experience similar maximum temperatures, reaching up to 32°C (90°F). However, September typically has a warmer average temperature of 17°C (62°F) compared to May's cooler average of 14°C (57°F). Precipitation is also slightly lower in September, with 78 mm (3.1 in) over 9 days, while May sees more rainfall at 97 mm (3.8 in) across 14 days. Additionally, September boasts a lower humidity level at 72% compared to May's 76%, making September feel a bit less muggy than its spring counterpart. For more insights into the specific weather patterns, you can check Lake George weather in May.

When comparing the weather in September and June, we find notable differences in temperature and precipitation patterns. September generally experiences a wider temperature range, with minimums dropping to 0°C (32°F) and maximums reaching up to 32°C (90°F). In contrast, June starts off warmer with minimums at 4°C (40°F) and maximums peaking at 33°C (93°F). Precipitation is also higher in June, averaging 104 mm (4.1 in) over 13 days compared to September's 78 mm (3.1 in) across 9 days. Both months share the same humidity level at 72%, contributing to a similar feel in the air. For more detailed insights into June weather, you can visit Lake George weather in June.

When comparing the weather in September and July, a notable difference can be observed in both temperature and precipitation. September sees a broader temperature range with minimum temperatures dropping to 0°C (32°F) and maximums reaching up to 32°C (90°F), while the average temperature is around 17°C (62°F). In contrast, July has milder evenings with minimums at 9°C (49°F) and highs peaking at 36°C (98°F), averaging 22°C (71°F). Additionally, September experiences 78 mm (3.1 in) of precipitation over 9 days, making it relatively drier compared to July's 141 mm (5.6 in) of rain spread over 14 days. Despite the higher humidity in September at 72%, July's humidity is still significant at 66%. For more insights on Lake George's climate during July, you can explore Lake George weather in July.

In comparing the weather in September to August, we see notable differences in temperature and precipitation. September experiences a wider temperature range, with a minimum of 0°C (32°F) and a maximum of 32°C (90°F), averaging around 17°C (62°F). In contrast, August remains slightly warmer overall, with temperatures ranging from 7°C (45°F) to 33°C (92°F), and an average of 20°C (69°F). Additionally, September receives less precipitation at 78 mm (3.1 in) over 9 days, whereas August has a higher total of 113 mm (4.5 in) over 13 days. Humidity levels also differ, with September at 72% compared to August's 64%. For more detailed insights, check Lake George weather in August.

September and October weather present a clear transition as autumn approaches. In September, temperatures range from a minimum of 0°C (32°F) to a maximum of 32°C (90°F), with an average of 17°C (62°F), accompanied by 78 mm (3.1 in) of precipitation over 9 days and a humidity level of 72%. In contrast, October sees a drop in temperatures, with a minimum of -4°C (25°F) and a maximum of 26°C (78°F), averaging at 10°C (51°F). The month also brings increased rainfall, totaling 151 mm (6.0 in) over 12 days and a higher humidity level of 81%. For more details on weather patterns during this time, check out Lake George weather in October.

September and November present strikingly different weather patterns. In September, temperatures range from a mild 0°C (32°F) at night to a warm 32°C (90°F) during the day, with an average of 17°C (62°F). The month features a decent amount of rainfall, totaling 78 mm (3.1 in) over about 9 days, accompanied by a relative humidity of 72%. In contrast, November brings cooler temperatures, with nighttime lows plunging to -19°C (-3°F) and daytime highs reaching 22°C (72°F), averaging only 2°C (36°F). Precipitation increases to 104 mm (4.1 in) spread across 12 days, and humidity rises to 87%. For more details on November weather specifics, you can check Lake George weather in November.

In September, the weather is significantly warmer, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 32°C (90°F) and an average of 17°C (62°F). The month sees a relatively moderate level of precipitation at 78 mm (3.1 in) over about 9 days, accompanied by a humidity level of 72%. In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -27°C (-16°F) and an average of -3°C (27°F), peaking at a maximum of 14°C (58°F). December also experiences slightly higher precipitation, totaling 96 mm (3.8 in) over 11 days, and increased humidity at 84%. For more details on December weather, check out Lake George weather in December.

Compare Lake George's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lake George

As summer gracefully transitions into autumn, September offers a unique blend of warmth and crispness in Lake George. With maximum temperatures occasionally reaching a balmy 32°C, the month retains a taste of summer, even as cooler nights push the mercury down to around 0°C. While days are often punctuated by rain, resulting in about nine days of precipitation, the humidity settles at a comfortable 72%, making for refreshingly cool afternoons. This shift in weather creates a breathtaking landscape, perfect for outdoor adventures. For a deeper dive into the region's evolving climate, check out Lake George Climate.