September Weather in Snowmass Village, United States

Last updated: February 24, 2025

In September, Snowmass Village offers a captivating transition into autumn, marked by maximum temperatures peaking at 26°C (80°F). Visitors can expect a comfortable average temperature of 11°C (52°F), contrasting with chilly minimums dipping to -7°C (19°F) at night. This month also brings an average precipitation of 35 mm (1.4 in) over approximately 7 days, contributing to the area’s vibrant landscapes while maintaining a moderate humidity level of 65%. This delightful blend of weather conditions makes September an ideal time for outdoor enthusiasts and nature lovers to explore the stunning beauty of Snowmass Village.

September Temperature in Snowmass Village

As September rolls into Snowmass Village, the temperature begins to hint at the approaching autumn, with averages settling around 11°C (52°F). Days are pleasantly mild, reaching a maximum of 26°C (80°F), providing the perfect backdrop for outdoor activities amidst the changing foliage. However, the nights can still be brisk, with minimums dipping to -7°C (19°F). This transition period showcases a gradual shift from the warmth of summer, where July and August bask in highs of 28°C (82°F), to the chilly embrace of October. As the month progresses, these cooler temperatures signal the onset of winter, creating a beautiful contrast of seasonal extremes that draw visitors seeking both summer sun and the anticipation of snowy slopes ahead.

September Weather in Snowmass Village: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Snowmass Village, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec182028334053605952362417
Data source: Temperature data for Snowmass Village 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 Snowmass Village

In Snowmass Village, September witnesses a moderate amount of precipitation, with 35 mm (1.4 in) falling over the course of 7 days. This marks a slight increase from the drier months of August and June, indicating a gradual transition toward the wetter autumn season. Overall, September’s precipitation levels suggest a balance, neither too high nor too low, as the village prepares for the upcoming chill of October, which typically sees an uptick to 67 mm (2.6 in). This trend encapsulates the village's climatic rhythm, where the late summer heat gives way to refreshing moisture, rejuvenating the landscape and setting the stage for autumn's splendor.

September Precipitation Trends in Snowmass Village

The chart displays monthly precipitation patterns in Snowmass Village, 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.
JanFebMarAprMayJunJulAugSepOctNovDec628185666132463035675369
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Snowmass Village

As summer transitions into fall, September in Snowmass Village sees a humidity level of 65%, a noticeable increase from the drier months of July and August, which recorded 52% and 56% respectively. This rise signals the gradual return of moisture in the air, as humidity begins to climb back up toward the autumn levels typical for this region. Following the trend of decreasing humidity from the peak winter months of 88% in January to the summer lows, September marks a turning point where the crisp air starts to blend with a hint of moisture, setting the stage for the colorful foliage and cozy atmosphere that autumn brings. As the month progresses, residents and visitors can expect a refreshing shift, moving towards the 76% humidity recorded in October.

September Average Humidity in Snowmass Village

This chart illustrates the average monthly humidity levels in Snowmass Village, 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.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Snowmass Village

As summer winds down in September, Snowmass Village experiences a UV Index of 10, categorizing the exposure as very high with a burn time of just 15 minutes. This marked decrease from the peak indices found in the heart of summer still demands vigilance, as the risk of skin damage remains significant. The trend is clear: while January begins with a moderate UV Index of 4, the numbers steadily climb to a striking 14 in June before tapering off as autumn approaches. With September showcasing a notable drop from 12 in August, outdoor enthusiasts should remain aware of sun safety practices to enjoy the beautiful fall landscape without the sting of overexposure. For more details on UV levels throughout the year, visit Snowmass Village UV Index.

Maximum UV Index Levels in Snowmass Village for September

The chart shows the monthly maximum UV Index (UVI) for Snowmass Village 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.
JanFebMarAprMayJunJulAugSepOctNovDec469121314131210754
Data source: Snowmass Village 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 Snowmass Village

September in Snowmass Village offers a delightful embrace of sunshine, with 318 hours of brilliant light gracing the area. As summer gradually fades, the days remain pleasantly warm and bright, echoing the peak months of July and August, which enjoy 387 and 361 hours of sun, respectively. This month marks a smooth transition into fall, showcasing a slight dip in sunshine yet still providing ample opportunity for outdoor exploration. The trend throughout the year reveals a steady increase in sunshine from the winter's low of 169 hours in January to the summer's peak, followed by a gentle decline in the cooler months ahead. Overall, September stands out as a month where nature's warm glow invites both adventure and relaxation, making it an ideal time to experience the stunning beauty of Snowmass Village before the colder days set in.

Monthly Sunshine Duration in Snowmass Village: September Highlighted

The September sunshine duration represents the total number of hours Snowmass Village 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.
JanFebMarAprMayJunJulAugSepOctNovDec169h222h285h320h365h385h387h361h318h283h243h220h
Data source: Snowmass Village September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Snowmass Village During September

September in Snowmass Village shines with a *notable *69% chance of sunny weather, making it one of the sunniest months of the year. This marks a peak in sunshine after the summer months, as August, with a 68% chance, seamlessly transitions into September's bright days. The gradual upward trend from spring's modest 56% in April to the summer's highs indicates that as the season shifts, so does the likelihood of clear skies. As autumn approaches, the weather remains favorable, making September an ideal time for outdoor activities in this picturesque mountain destination.

Percentage of Sunny Days in September in Snowmass Village

The chart illustrates the percentage of sunny days in Snowmass Village 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 Snowmass Village experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec46%38%46%56%49%62%53%68%69%54%60%49%
Data source: Snowmass Village September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Snowmass Village in September

As September arrives in Snowmass Village, the days begin to gradually shorten, with daylight lasting around 12 hours. This marks a gentle decline from the 14 hours enjoyed during the summer months of June and July, highlighting the transition into autumn. With August still basking in 13 hours of sunlight, September feels like a blend of lingering summer warmth and the early hints of fall, as the days cool and the leaves prepare to change. Following this month, daylight continues to diminish, dropping to 11 hours in October, reflecting nature’s significant shift as the year moves towards winter. This rhythmic ebb and flow of daylight not only influences the landscape but also sets the stage for the season’s enchanting transformations.

Average Daylight Hours in Snowmass Village for September

The chart illustrates the variation in daylight duration in Snowmass Village throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 44m10h 43m11h 58m13h 16m14h 20m14h 53m14h 35m13h 37m12h 23m11h 6m9h 59m9h 25m
Data source: Snowmass Village daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Snowmass Village

As September settles in Snowmass Village, the average wind speed gently hovers around 1.8 m/s (approximately 4 mph), reflecting a transition towards the crispness of early autumn. This month marks a slight dip from the moderate winds of late summer, mirroring July's calm and offering a soothing reprieve from the breezy conditions experienced earlier in the summer months. The consistency of wind patterns throughout the year showcases a gentle ebb and flow, with notable peaks in February, April, and December. As the seasons shift, the serene September breezes invite residents and visitors alike to revel in the picturesque landscapes, hinting at the impending winter wonderland.

Average September Wind Speed in Snowmass Village

The chart displays monthly wind speed patterns in Snowmass Village, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.72.12.02.12.12.01.72.01.8 m/s1.91.72.0
Data source: Snowmass Village September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Snowmass Village Compares to Other Months

The weather in Snowmass Village 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 Snowmass Village and find detailed weather information for every month.

In comparing the weather of September and January, significant differences emerge. September brings milder temperatures, with a minimum of -7°C (19°F) and an average of 11°C (52°F), allowing for pleasant outdoor activities. Precipitation during this month totals 35 mm (1.4 in) over about 7 days, paired with a moderate humidity of 65%. In contrast, January is much colder, featuring a minimum of -24°C (-11°F) and an average temperature of -8°C (18°F). This month experiences increased precipitation of 61 mm (2.4 in) spread over 11 days, alongside higher humidity at 88%. For those interested in exploring more about winter conditions, check out Snowmass Village weather in January. Overall, September offers a more temperate climate compared to the harsh, cold conditions typical of January.

September and February present contrasting weather patterns. In September, temperatures range from a chilly minimum of -7°C (19°F) to a warm maximum of 26°C (80°F), with an average of 11°C (52°F). This month experiences relatively low precipitation of 35 mm (1.4 in) over about 7 days, coupled with a moderate humidity of 65%. In stark contrast, February is much colder, featuring a minimum temperature of -24°C (-10°F) and a maximum of only 11°C (52°F), with an unsettling average of -7°C (20°F). Precipitation is significantly higher at 81 mm (3.2 in), occurring on roughly 15 days, and humidity peaks at 87%. For a closer look at February weather, check out Snowmass Village weather in February.

September and March present contrasting weather patterns. In September, temperatures range from a minimum of -7°C (19°F) to a comfortable average of 11°C (52°F), peaking at a warm 26°C (80°F). The month experiences relatively low precipitation, with about 35 mm (1.4 in) falling over only 7 days, and humidity sits at a moderate 65%. In contrast, March is chillier, with temperatures varying from a minimum of -20°C (-4°F) to an average of -2°C (28°F) and a maximum of 12°C (54°F). This month sees significantly higher precipitation at 85 mm (3.3 in) spread over 14 days, coupled with higher humidity levels at 81%. For more detailed insights on March weather, you can check Snowmass Village weather in March.

When comparing the weather between September and April, it’s evident that September offers milder temperatures, with an average of 11°C (52°F) and a maximum reaching 26°C (80°F), while April is considerably cooler, with an average temperature of 0°C (33°F) and a maximum of only 13°C (56°F). Additionally, April experiences significantly more precipitation, totaling 66 mm (2.6 in) over 13 days compared to September's 35 mm (1.4 in) spread over just 7 days. The humidity is also higher in April at 76%, compared to September's 65%, contributing to a distinctly different feel during these months. For more detailed insights, check Snowmass Village weather in April.

September and May present distinct weather patterns. In September, temperatures range from a low of -7°C (19°F) to an average of 11°C (52°F), peaking at a warm 26°C (80°F), with a relatively moderate precipitation of 35 mm (1.4 in) over 7 days and humidity at 65%. In contrast, May experiences cooler temperatures with a minimum of -11°C (12°F) and an average of 4°C (40°F), while the maximum reaches only 22°C (71°F). The month sees more precipitation, measuring 61 mm (2.4 in) over 11 days, paired with a slightly higher humidity of 66%. For a more detailed insight into May's weather, visit Snowmass Village weather in May.

In comparing the weather of September to that of June, we see some similarities and distinctions. September experiences a broader range of temperatures, with minimums dropping to -7°C (19°F) and maximums reaching 26°C (80°F). This month has an average temperature of 11°C (52°F) and sees a bit more precipitation, totaling 35 mm (1.4 in) over approximately 7 days, alongside a higher humidity level of 65%.

In contrast, June offers slightly warmer conditions, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 28°C (82°F) and an average of 12°C (53°F). Rainfall in June is also somewhat lighter at 32 mm (1.3 in) over about 6 days, with humidity at a lower 58%. For a closer look at conditions specific to June, you can explore Snowmass Village weather in June.

September's weather contrasts with July's, offering cooler temperatures and a more variable climate. While September sees a minimum temperature of -7°C (19°F) and an average of 11°C (52°F), July boasts milder conditions, with minimums at 0°C (32°F) and an average of 16°C (60°F). Furthermore, July experiences slightly higher maximum temperatures, peaking at 28°C (82°F) compared to September's high of 26°C (80°F). Precipitation is also more frequent in July, with 46 mm (1.8 in) over 10 days, whereas September has less at 35 mm (1.4 in) over 7 days. Additionally, humidity levels are higher in September at 65%, compared to July's 52%. For more information on July conditions, check out Snowmass Village weather in July.

In comparing the weather between September and August, we note a slight decrease in average temperatures, with September averaging 11°C (52°F) compared to August's 15°C (59°F). September experiences a wider temperature range, reaching a maximum of 26°C (80°F) and a minimum dropping to -7°C (19°F), while August's temperatures vary from 1°C (34°F) to 27°C (81°F). Both months see a similar amount of precipitation, with September receiving 35 mm (1.4 in) and August slightly less at 30 mm (1.2 in), both across 7 days. Additionally, September is more humid, with a humidity level of 65%, compared to August's 56%. For further details, you can check out Snowmass Village weather in August.

September and October present a stark contrast in weather conditions. In September, temperatures range from a minimum of -7°C (19°F) to a comfortable maximum of 26°C (80°F), with an average of 11°C (52°F) and relatively low precipitation at 35 mm (1.4 in) over about 7 days. However, October ushers in a significant drop in temperatures, with a minimum of -31°C (-24°F) and an average of just 2°C (36°F), despite a maximum that reaches 21°C (70°F). Precipitation also rises to 67 mm (2.6 in) over 10 days, accompanied by increased humidity at 76%. For detailed insights into October conditions, you can check Snowmass Village weather in October.

September and November exhibit stark contrasts in weather, reflecting the transition from early fall to late autumn. September tends to have milder temperatures, with a minimum of -7°C (19°F) and an average of 11°C (52°F), peaking at a pleasant 26°C (80°F). In contrast, November's temperature plummets, showcasing minimums of -27°C (-16°F), with an average of -4°C (24°F) and a maximum of just 14°C (57°F). Precipitation also increases from September’s 35 mm (1.4 in) over 7 days to November’s 53 mm (2.1 in) across 9 days, accompanied by higher humidity levels in November at 82%, compared to September’s 65%. For more specifics about the conditions, you can check Snowmass Village weather in November.

September and December showcase stark contrasts in weather. In September, temperatures range from a minimum of -7°C (19°F) to a maximum of 26°C (80°F), with an average of 11°C (52°F). The month experiences moderate precipitation at 35 mm (1.4 in) over about 7 days, complemented by a humidity level of 65%. In contrast, December sees much colder conditions, with temperatures plummeting from a minimum of -29°C (-20°F) to a maximum of 9°C (48°F), averaging -9°C (17°F). Precipitation increases to 69 mm (2.7 in) over 12 days, along with a significant rise in humidity to 89%. For a detailed look at December conditions, you can check out Snowmass Village weather in December.

Compare Snowmass Village's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Snowmass Village

As September unfolds in Snowmass Village, the transition into autumn brings milder temperatures and a notable shift in the landscape. With maximum highs reaching a comfortable 26°C (80°F) and brisk evenings dipping down to cooler lows, this month stands out with its inviting daytime warmth and refreshing nights. While the region experiences an average of seven days of rain, the overall moisture remains moderate, adding a touch of freshness to the crisp mountain air. This balance creates an enchanting atmosphere, making September a perfect time for outdoor enthusiasts to revel in the vibrant foliage and serene surroundings. For those interested in understanding the broader trends in weather, visit Snowmass Village Climate for more insights.