September Weather in Banner Elk, United States

Last updated: February 24, 2025

In September, Banner Elk, United States, experiences a delightful transition from summer to fall. With maximum temperatures reaching 28°C (83°F) and an average of 18°C (65°F), the weather remains pleasantly warm while cooler nights can bring temperatures down to a brisk 3°C (38°F). This month also sees 134 mm (5.3 in) of rainfall spread over 13 days, contributing to lush autumn foliage. The humidity level, averaging around 68%, adds a refreshing feel to the cool mountain air, making September a perfect time to explore the natural beauty of this charming town.

September Temperature in Banner Elk

In September, Banner Elk experiences a delightful transition into autumn, characterized by an inviting daily temperature range that beckons both locals and visitors to savor the outdoors. The average temperature sits at a comfortable 18°C (65°F), accompanied by minimums hovering around 3°C (38°F) and maximums reaching 28°C (83°F). This month marks a notable shift from the summer heat, as nights become cooler and days are still pleasantly warm. The gradual decline in temperatures hints at the approaching fall, creating the perfect backdrop for outdoor activities amidst stunning foliage. With these mild conditions, September offers a harmonious balance of warmth and crispness, making it an ideal time to enjoy Banner Elk's natural beauty.

September Weather in Banner Elk: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Banner Elk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec344044526166706864564238
Data source: Temperature data for Banner Elk 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 Banner Elk

In September, Banner Elk experiences a shift in its weather patterns as summer gives way to fall. With an average precipitation of 134 mm (5.3 in) over about 13 days, the region sustains a moderate rainfall, slightly less than the preceding months of August and June. This transition not only brings cooler temperatures but also sets the stage for vibrant autumn foliage, making it a picturesque time for outdoor activities. Interestingly, the overall precipitation in September hints at a dip compared to the summer peak, while remaining consistent with the gradual trend observed throughout the year, suggesting that the early fall months are not as wet as the height of summer. As the landscape transforms, this blend of weather and scenery invites both locals and visitors to revel in the beauty of the changing seasons.

September Precipitation Trends in Banner Elk

The chart displays monthly precipitation patterns in Banner Elk, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9713812115514814512414713414682117
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Banner Elk

In September, Banner Elk, United States, experiences a slight uptick in humidity, averaging around 68%. This marks a transition period, as the summer months—characterized by lower humidity—draw to a close. The dip to 66% in August reflects the peak of dry conditions, but as autumn approaches, humidity levels begin to rise again. Notably, the trend throughout the year showcases a general decrease from the peak 87% in the winter months, tapering off through summer before climbing back up in the fall. This seasonal ebb and flow creates a refreshing climate in September, making it a delightful time for outdoor exploration as the air retains a comfortable moisture level.

September Average Humidity in Banner Elk

This chart illustrates the average monthly humidity levels in Banner Elk, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Banner Elk

September in Banner Elk sees a UV Index of 10, categorizing it as very high and indicating a burn time of just 15 minutes. Following a summer of consistent extreme UV levels, this slight dip suggests a gradual transition into fall, yet precautions remain crucial. As temperatures cool, the UV radiation still poses a significant risk, making it essential for residents and visitors alike to stay vigilant. With October's UV Index dropping further to 8, it's a reminder of the shifting season, but September still demands respect for sun exposure. For more details on the UV trends throughout the year, visit Banner Elk UV Index.

Maximum UV Index Levels in Banner Elk for September

The chart shows the monthly maximum UV Index (UVI) for Banner Elk 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.
JanFebMarAprMayJunJulAugSepOctNovDec468111111111110863
Data source: Banner Elk 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 Banner Elk

As summer transitions to fall, September in Banner Elk shines with an impressive 282 hours of sunshine, marking a delightful shift in the seasonal light. This month, although slightly less luminous than the peak of July with its 355 hours, still offers a radiant glow that invites outdoor adventures and cozy gatherings. The gradual decline from the sunniest summer months signals the onset of autumn, yet September retains more sunlight than the months ahead, including October. As nature begins to change, this balance of warmth and light creates a picturesque backdrop for enjoying the breathtaking fall foliage and crisp mountain air.

Monthly Sunshine Duration in Banner Elk: September Highlighted

The September sunshine duration represents the total number of hours Banner Elk 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.
JanFebMarAprMayJunJulAugSepOctNovDec152h182h245h264h303h319h355h318h282h264h231h187h
Data source: Banner Elk September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Banner Elk During September

In September, Banner Elk enjoys a notable boost in sunshine, with a 49% chance of sunny weather, making it one of the more favorable months for clear skies. This month marks a shift from the summer's fluctuating chances, as both July and August hover around the mid-40s, while September edges closer to the half-way mark. Following the summer, there's a gradual increase toward October's 36%, but September stands out as a sweet spot for enjoying the early fall foliage under bright blue skies. As the year progresses, November will likely see a greater chance of sun at 54%, but September's pleasant weather offers a perfect opportunity to savor the transition from summer warmth to autumn crispness.

Percentage of Sunny Days in September in Banner Elk

The chart illustrates the percentage of sunny days in Banner Elk 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 Banner Elk experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%33%40%53%32%33%45%40%49%36%54%41%
Data source: Banner Elk September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Banner Elk in September

As summer fades into autumn, September in Banner Elk ushers in a gentle decline in daylight duration, offering about 12 hours of sunlight. This marks a subtle shift from the summer peak of 14 hours experienced in the height of July and June. The gradual reduction of daylight hours reflects nature's transition, as the vibrant days of late summer give way to the crispness of fall. Following September, October continues the downward trend with just 11 hours of daylight, highlighting the seasonal rhythm that invites cozy evenings and the changing hues of falling leaves. Indeed, the gradual tapering of daylight not only signals a change in weather but also sets the stage for the reflective stillness that accompanies the approach of winter.

Average Daylight Hours in Banner Elk for September

The chart illustrates the variation in daylight duration in Banner Elk throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 59m10h 52m11h 59m13h 8m14h 5m14h 34m14h 18m13h 27m12h 21m11h 13m10h 13m9h 43m
Data source: Banner Elk daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Banner Elk

As September sets in, Banner Elk experiences a gentle sigh of relief with an average wind speed of 2.1 m/s (5 mph). This transition marks a subtle increase from the calmest summer months, where July and August recorded their lowest speeds at 1.9 m/s and 1.7 m/s respectively. The refreshing breeze hints at the approaching autumn, stirring the leaves and inviting outdoor activities. Interestingly, this slight uptick in wind pairs well with the onset of cooler temperatures, laying the groundwork for the brisk conditions that will follow in October and November. It's a month where nature’s rhythm shifts, with winds awakening just enough to remind us of the beauty of change.

Average September Wind Speed in Banner Elk

The chart displays monthly wind speed patterns in Banner Elk, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.23.03.22.32.11.91.72.1 m/s2.52.72.6
Data source: Banner Elk September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Banner Elk Compares to Other Months

The weather in Banner Elk 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 Banner Elk and find detailed weather information for every month.

September and January present starkly different weather patterns. In September, temperatures range from a mild 3°C (38°F) at night to a pleasant average of 18°C (65°F) during the day, peaking at a warm 28°C (83°F). This month sees an average of 134 mm (5.3 in) of precipitation over 13 days, with humidity levels at 68%. In contrast, January is much colder, with minimum temperatures dropping to a frigid -17°C (1°F) and an average temperature of only 1°C (35°F). The maximum during the day reaches 20°C (69°F), but this stark disparity highlights the chilly conditions. Total precipitation in January measures 97 mm (3.8 in) across 11 days, accompanied by high humidity at 87%. For a detailed look at January weather, check out Banner Elk weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 3°C (38°F) at night to a warm average of 18°C (65°F) and a daytime high of 28°C (83°F). It's a month characterized by relatively less humidity at 68%, despite experiencing moderate precipitation of 134 mm (5.3 in) over approximately 13 days. In contrast, February brings a chillier climate, with temperatures dipping to a minimum of -13°C (8°F) and an average of only 4°C (40°F), while the maximum reaches 23°C (75°F). This month also has slightly higher precipitation levels at 138 mm (5.4 in) spread over about 15 days, alongside increased humidity at 87%. For more specific details on February conditions, you can visit Banner Elk weather in February.

September and March present contrasting weather patterns. September experiences milder temperatures, with a minimum of 3°C (38°F) and an average of 18°C (65°F), while March starts off much colder, with minimum temperatures dropping to -12°C (11°F). Both months can reach a high of 28°C (83°F), but March typically has a chillier average of 7°C (45°F). Precipitation levels are fairly similar, with September receiving 134 mm (5.3 in) over 13 days and March slightly less at 121 mm (4.7 in) across 14 days. Additionally, March features higher humidity at 86%, compared to September's 68%. For a closer look at March weather specifics, you can refer to Banner Elk weather in March.

When comparing the weather in September and April, noticeable differences emerge. September features a milder range of temperatures, with minimums around 3°C (38°F) and maximums reaching 28°C (83°F), averaging a comfortable 18°C (65°F). The humidity sits at a moderate 68%, with 134 mm (5.3 in) of precipitation over 13 days. In contrast, April tends to be cooler, with minimum temperatures dipping to -6°C (21°F) and a maximum of 26°C (79°F), averaging 11°C (52°F). Despite having slightly higher precipitation at 155 mm (6.1 in) over the same number of days, April also experiences higher humidity levels at 84%. For more specific details on April weather, check out Banner Elk weather in April.

In comparing the weather of September and May, September generally features milder temperatures with minimums around 3°C (38°F) and average highs reaching 28°C (83°F), while May can start off chillier, with minimums dipping to -2°C (30°F). However, both months exhibit similar average maximum temperatures, hovering around 27°C (81°F) for May and 28°C (83°F) for September. Precipitation is slightly higher in May, with an average of 148 mm (5.8 in) over 16 days, compared to September’s 134 mm (5.3 in) over 13 days. Additionally, May tends to be more humid, with humidity levels at 83%, surpassing September's 68%. For a detailed look at what to expect during this time, you can check Banner Elk weather in May.

In comparing the weather of September and June, both months exhibit similar maximum temperatures, peaking around 28°C (83°F) to 28°C (84°F). However, September boasts a slightly lower average temperature of 18°C (65°F) compared to June's 19°C (66°F). While both months experience notable precipitation, June tends to be a bit wetter, receiving 144 mm (5.7 in) over 17 days, in contrast to September's 134 mm (5.3 in) across 13 days. Additionally, humidity levels are higher in June at 83%, while September has a more comfortable 68%. For those interested in more detailed weather patterns, you can find additional information here: Banner Elk weather in June.

In comparing the weather of September and July, we can see notable differences in temperature and precipitation patterns. September experiences a broader temperature range, with a minimum of 3°C (38°F) and a maximum of 28°C (83°F), leading to a comfortable average of 18°C (65°F). In contrast, July has milder lows at 11°C (51°F) and slightly higher highs, reaching up to 30°C (85°F), with an average of 21°C (70°F). While September sees a higher total precipitation of 134 mm (5.3 in) spread over 13 days, July has a similar amount of rain at 124 mm (4.9 in) but over more days—17 in total. Additionally, July is characterized by higher humidity at 79%, compared to September's 68%, making July feel more muggy. For more detailed information about the conditions in July, you can refer to Banner Elk weather in July.

In comparing the weather between August and September, September brings a noticeable drop in minimum temperatures, with lows around 3°C (38°F) compared to August's milder 10°C (51°F). However, the average temperatures are relatively close, with September averaging 18°C (65°F) and August slightly higher at 20°C (69°F). Rainfall in September is slightly less, at 134 mm (5.3 in) over 13 days, compared to August's 147 mm (5.8 in) over 17 days. Humidity levels remain similar, with September recording 68% and August at 66%. For more details, check out Banner Elk weather in August.

September and October present notable differences in weather patterns. September typically offers a milder range of temperatures, with minimums around 3°C (38°F) and averages at 18°C (65°F), peaking at 28°C (83°F). However, it also features considerable precipitation, averaging 134 mm over 13 days, with humidity levels at 68%. In contrast, October ushers in cooler temperatures, with minimums dropping to -4°C (25°F) and an average of 13°C (56°F), though maximums can still reach 29°C (84°F). This month experiences slightly higher precipitation at 146 mm, but over fewer days—11 in total—and increased humidity at 78%. For more detailed insights, check out Banner Elk weather in October.

September weather tends to be milder, with average temperatures ranging from 3°C (38°F) to a warm 28°C (83°F), and the month experiences around 134 mm (5.3 in) of precipitation over 13 days. In contrast, November brings a significant drop in temperatures, with minimums dipping to -10°C (14°F) and an average of only 6°C (43°F), despite a maximum of 22°C (72°F). November is also characterized by higher humidity at 89% and lower precipitation levels of 82 mm (3.2 in) spread across 9 days. For a detailed look at what to expect weather-wise, check out Banner Elk weather in November.

September weather in Banner Elk presents a mild and pleasant transition from summer, with temperatures ranging from a chilly 3°C (38°F) at night to a warm 28°C (83°F) during the day. The humidity is relatively comfortable at 68%, and the region experiences 134 mm of precipitation over 13 days, making it a time of noticeable rainfall.

In contrast, December brings a much colder climate, with temperatures dropping significantly, reaching lows of -14°C (7°F) and averaging around 4°C (39°F). Although maximum temperatures can reach 20°C (69°F), the overall feel is much chillier, accompanied by higher humidity levels at 86%. The month sees slightly less rainfall, with 117 mm over 11 days, which often falls as snow. For more detailed weather insights, check out Banner Elk weather in December.

Compare Banner Elk's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Banner Elk

As September rolls into Banner Elk, the weather undergoes a refreshing transition that sets it apart from the sweltering summer months. With daily temperatures becoming more moderate, the pleasant average of 18°C (65°F) welcomes outdoor enthusiasts, making it an ideal time for hiking and enjoying the stunning fall foliage. However, it's also a month of increased rainfall, with several days experiencing precipitation, enhancing the lush surroundings. The humidity remains at a comfortable level, creating a delightful atmosphere perfect for cozy getaways. For a deeper understanding of how September's climate compares with the rest of the year, explore more at Banner Elk Climate.