September Weather in Bryson City, United States

Last updated: February 24, 2025

September in Bryson City, United States offers a delightful mix of warm days and cooler nights, making it an ideal time for exploration. The maximum temperature reaches a pleasant 29°C (84°F), while the average sits at a comfortable 19°C (66°F), dropping to a cool 4°C (39°F) at night. Visitors can expect 128 mm (5.0 in) of rain spread across 14 days, contributing to the lush, vibrant scenery typical of this beautiful region. With humidity levels around 76%, the air feels refreshing, perfect for outdoor activities that showcase the stunning natural landscapes. Overall, September is a charming month to experience the beauty of Bryson City.

September Temperature in Bryson City

In September, Bryson City begins to transition from the warmth of summer into the cooler embrace of autumn. With minimum temperatures settling around 4°C (39°F) and average highs reaching a pleasant 19°C (66°F), the month offers a comfortable climate perfect for outdoor activities and enjoying the vibrant fall foliage. The maximum temperatures hover at 29°C (84°F), reminiscent of summer's lingering warmth, making it an ideal time for hiking or exploring the scenic beauty of the area. As daylight hours shorten, the crispness of the air signals the impending change of seasons, creating a picturesque backdrop for those seeking adventure or tranquility. Overall, September in Bryson City serves as a delightful blend of summer’s last gasp and autumn's first whispers.

September Weather in Bryson City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Bryson City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec364246536267706966574440
Data source: Temperature data for Bryson City 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 Bryson City

As September rolls in Bryson City, it experiences a notable dip in precipitation, with 128 mm (5.0 in) of rainfall over 14 days. This marks a decrease from the wetter summer months, where July and August brought 170 mm (6.7 in) and 164 mm (6.4 in) respectively, characterized by higher rainfall frequency. The transition from summer to early fall often brings reduced precipitation, reflected in September's milder totals, which aid in preparing the region for the impending autumn months. The pattern suggests a gradual shift as Bryson City moves toward the drier months of October and November, which typically see precipitation amounts around 150 mm (5.9 in) and 95 mm (3.7 in) respectively. Overall, September serves as a bridge, where the lingering warmth of summer begins to yield to the crispness of fall.

September Precipitation Trends in Bryson City

The chart displays monthly precipitation patterns in Bryson City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec11019116315514713617116412815095149
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bryson City

In September, Bryson City experiences a notable shift in humidity, dropping to 76%, which mirrors the trend set in August. This slight decline hints at a transition towards the drier conditions that the fall season typically brings. As the year progresses, there’s a clear pattern: while humidity begins high at 86% in the winter months, it gradually decreases through the summer, reaching its lowest point in the early fall, before the humidity levels again rise in the cooler months of October and November. This seasonal ebb and flow creates a dynamic climate that defines the character of Bryson City throughout the year.

September Average Humidity in Bryson City

This chart illustrates the average monthly humidity levels in Bryson City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bryson City

As summer fades into early autumn, the UV Index in Bryson City remains notably high in September, sitting at 9, which falls under the very high exposure category. This indicates that time spent outdoors should be carefully managed, with a burn time of just 15 minutes for unprotected skin. Following a trend from the peak summer months, where the UV Index reached a maximum of 11, September still requires vigilance, particularly for those engaging in outdoor activities. As we transition into October, the levels begin to drop, reflecting a general decline in UV radiation as the days grow shorter. For more detailed insights into UV exposure in this beautiful region, check out the Bryson City UV Index.

Maximum UV Index Levels in Bryson City for September

The chart shows the monthly maximum UV Index (UVI) for Bryson City 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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109864
Data source: Bryson City 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 Bryson City

As summer wanes and fall approaches, September in Bryson City offers a beautiful blend of sunshine, with an impressive 285 hours of bright daylight. This month continues the trend of long, sunny days that peaks in July with 327 hours, reflecting a vibrant summer season. While sunshine slightly diminishes as October rolls in, September's warmth still echoes the high 298 hours of May and 310 hours of June. The gradual decrease in sunlight serves as a gentle reminder of the changing seasons, inviting residents and visitors alike to bask in the pleasant outdoor activities before autumn fully sets in.

Monthly Sunshine Duration in Bryson City: September Highlighted

The September sunshine duration represents the total number of hours Bryson City 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.
JanFebMarAprMayJunJulAugSepOctNovDec149h160h227h262h298h310h327h310h285h260h226h171h
Data source: Bryson City September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bryson City During September

As September rolls into Bryson City, residents and visitors can look forward to a favorable 48% chance of sunny weather. This marks a notable increase from the summer months, where the chances hovered in the low 30s. Interestingly, September's sun likelihood is on par with October’s 36%, hinting at a cheerful transition into fall. Unlike the late spring with its lower May percentage, September serves as a bridge to more reliable sunshine, providing an excellent opportunity to enjoy the area's stunning landscapes before the clouds of autumn settle in.

Percentage of Sunny Days in September in Bryson City

The chart illustrates the percentage of sunny days in Bryson City 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 Bryson City experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%34%38%51%27%32%34%33%48%36%50%39%
Data source: Bryson City September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bryson City in September

As summer wanes and September arrives in Bryson City, daylight begins to transition from the long, sun-soaked days of July and August into a more moderate rhythm. With 12 hours of daylight, September offers a gentle decline, providing ample time to enjoy the stunning fall foliage and crisp air. This month marks a notable shift from the peak summer brightness, suggesting that nature is preparing for the cozy embrace of autumn. Following September, the daylight continues to shorten, leading into October with 11 hours, hinting at the seasonal changes that await. Overall, September serves as a beautiful bridge between the vibrant summer and the serene charm of autumn.

Average Daylight Hours in Bryson City for September

The chart illustrates the variation in daylight duration in Bryson City throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 54m11h 59m13h 6m14h 2m14h 29m14h 14m13h 25m12h 20m11h 14m10h 16m9h 47m
Data source: Bryson City daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Bryson City

As summer gives way to fall in Bryson City, September features a gentle breeze with an average wind speed of 1.6 m/s (4 mph). This slight increase from the languid summer months reflects a subtle shift in the atmospheric rhythm of the region, suggesting that the invigorating freshness of autumn is on the horizon. Comparatively, the wind speeds during this month slightly uplift from August's calm of 1.3 m/s (3 mph), but they remain lower than the early months of the year, illustrating a trend of gradual transition rather than abrupt change. As nature prepares for the vibrant hues of fall, the September winds whisper promises of the beauty to come.

Average September Wind Speed in Bryson City

The chart displays monthly wind speed patterns in Bryson City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.32.32.42.11.81.51.31.6 m/s1.82.02.2
Data source: Bryson City September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Bryson City Compares to Other Months

The weather in Bryson City 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 Bryson City and find detailed weather information for every month.

September and January present a stark contrast in weather conditions. In September, temperatures range from a chilly 4°C (39°F) at night to a warm 29°C (84°F) during the day, with an average of 19°C (66°F). This month sees substantial precipitation, totaling 128 mm (5.0 in) over 14 days and a relative humidity of 76%. Conversely, January is much colder, with temperatures dipping as low as -20°C (-4°F) and reaching a maximum of 20°C (68°F), averaging around 2°C (36°F). Despite slightly less precipitation at 110 mm (4.3 in) over 12 days, January has higher humidity levels at 86%. For a closer look at the specifics, check out Bryson City weather in January.

In September, the weather tends to be quite mild, with average temperatures around 19°C (66°F) and highs reaching up to 29°C (84°F). This month experiences moderate precipitation, totaling 128 mm (5.0 in) over about 14 days, and humidity levels hover around 76%. In contrast, February presents a much colder climate, with average temperatures dropping to 6°C (42°F) and nighttime lows plummeting to -12°C (11°F). Although February receives more precipitation—191 mm (7.5 in) over 16 days—humidity is slightly higher at 86%. For more detailed information, check out Bryson City weather in February.

When comparing the weather in September and March, there are notable differences in temperature and precipitation patterns. September typically enjoys milder temperatures with a minimum of 4°C (39°F), an average of 19°C (66°F), and a maximum of 29°C (84°F). In contrast, March experiences colder conditions, with a minimum of -16°C (4°F) and an average of 8°C (47°F), although it can still reach up to 27°C (80°F) on warmer days. Precipitation is slightly higher in March, totaling 163 mm (6.4 in) over 15 days, compared to 128 mm (5.0 in) over 14 days in September. Additionally, humidity levels are higher in March at 86% compared to 76% in September, contributing to a different feel in the air. For more details about March weather, you can visit Bryson City weather in March.

When comparing September and April weather, it's clear that both months exhibit a range of temperatures and precipitation patterns. September boasts a milder climate, with an average temperature of 19°C (66°F) and maximum highs reaching 29°C (84°F), while April sees lower averages at 12°C (54°F) and minimums plummeting to -6°C (22°F). Precipitation is relatively high in both months, with April slightly edging out September at 154 mm (6.1 in) compared to 128 mm (5.0 in), although the number of rainy days is quite similar, at 13 for April and 14 for September. Additionally, humidity levels are higher in April at 82%, contrasted with September's 76%. To explore more about weather specifics in April, you can check out Bryson City weather in April.

September and May present quite different weather patterns. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month experiences about 128 mm (5.0 in) of precipitation over 14 days, accompanied by a humidity level of 76%. In contrast, May sees cooler mornings with temperatures dropping to -1°C (30°F) but reaching a similar maximum of 27°C (82°F) and averaging 17°C (62°F). May is slightly wetter, with 147 mm (5.8 in) of rain falling across 15 days and a higher humidity level of 85%. For more information about weather conditions during May, you can visit Bryson City weather in May.

When comparing the weather in September and June, both months showcase mild average temperatures, with September having a minimum of 4°C (39°F) and a maximum of 29°C (84°F), while June's range is slightly warmer with a minimum of 6°C (44°F) and a maximum of 28°C (82°F). Precipitation levels are similar, with September recording 128 mm (5.0 in) over 14 days and June averaging a bit higher at 136 mm (5.4 in) over 17 days. Humidity also plays a role, with September at 76% and June being slightly more humid at 85%. For a detailed look at June's weather patterns, you can visit Bryson City weather in June.

In comparing the weather of September and July, we observe notable differences in both temperature and precipitation. September boasts a wider temperature range, with a minimum of 4°C (39°F) and a comfortable average of 19°C (66°F), peaking at 29°C (84°F). In contrast, July tends to be slightly warmer overall, starting at a minimum of 11°C (53°F) and averaging 21°C (70°F), also reaching a maximum of 29°C (85°F). However, July experiences more precipitation, totaling 170 mm (6.7 in) over 20 days compared to September's 128 mm (5.0 in) across 14 days, making July the wetter of the two months. Additionally, humidity levels are higher in July at 83% compared to September's 76%. For more details on July weather patterns, check out Bryson City weather in July.

In comparing the weather of September and August, September tends to be cooler, with minimum temperatures dropping to 4°C (39°F) compared to August's milder minimum of 11°C (53°F). Both months experience the same maximum temperature of 29°C (84°F), but September's average temperature is slightly lower at 19°C (66°F), versus August's 21°C (69°F). August also has higher precipitation levels, with 164 mm (6.4 in) over 20 days, while September sees 128 mm (5.0 in) over 14 days. Despite the difference in rainfall, both months share similar humidity levels at 76%. For a detailed look at August conditions, refer to Bryson City weather in August.

September and October experience notable shifts in weather conditions. While September boasts a warmer average temperature of 19°C (66°F) with maximums reaching up to 29°C (84°F), October sees a decrease in average temperature to 14°C (57°F), although it can still reach the same maximum of 29°C (84°F) on warmer days. Precipitation increases slightly from 128 mm (5.0 in) in September to 150 mm (5.9 in) in October, with rain spread over 14 and 12 days, respectively. Additionally, humidity rises from 76% in September to 80% in October, contributing to a cooler, more damp atmosphere. For more details about the specific conditions, check out Bryson City weather in October.

September and November exhibit marked differences in weather and climate. In September, temperatures range from a minimum of 4°C (39°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month is relatively humid, with an average humidity of 76% and 128 mm (5.0 in) of precipitation over 14 days. In contrast, November experiences significantly colder temperatures, with a minimum of -11°C (13°F) and an average of 7°C (44°F), peaking at 22°C (72°F) on warmer days. The humidity rises to 88%, while total precipitation decreases to 95 mm (3.7 in) spread over 10 days. For more detailed information on November weather, you can check out Bryson City weather in November.

September weather is characterized by warm temperatures, with an average of 19°C (66°F) and highs reaching up to 29°C (84°F), making it a pleasant month for outdoor activities. In contrast, December brings a significant drop in temperatures, averaging just 4°C (40°F) with lows dipping as low as -17°C (1°F). Despite both months experiencing similar amounts of precipitation—128 mm (5.0 in) in September and 149 mm (5.9 in) in December—the increased humidity in December at 88% can create a colder and more biting chill. For a more detailed outlook on December weather in Bryson City, you can visit Bryson City weather in December.

Compare Bryson City's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Bryson City

As summer transitions into autumn, September in Bryson City brings a unique blend of comfortably warm days and cooler nights, creating a delightful change from the intensity of summer heat. While the average temperature settles around a mild 19°C (66°F), the month also experiences an uptick in precipitation, with rain gracing approximately half the days. The increased humidity adds a refreshing touch to the air, perfectly complementing the vibrant fall foliage that begins to emerge. This mix of warmth and moisture makes September an ideal time for outdoor adventures, differing significantly from the more stable temperatures and drier conditions of other months. For a deeper dive into the nuances of Bryson City’s weather patterns, be sure to check out the full details here: Bryson City Climate.