September Weather in Pine Knoll Shores, United States

Last updated: February 24, 2025

September in Pine Knoll Shores showcases a delightful blend of summer warmth and the onset of fall. With maximum temperatures reaching a balmy 32°C (90°F) and an average of 25°C (77°F), outdoor activities remain inviting. However, the month also sees the influence of humidity at a notable 80%, contributing to a lush coastal environment. Rainfall totals approximately 214 mm (8.4 in), spread over 13 days, providing vital moisture to the region’s landscapes and ensuring vibrant surroundings. Visitors and residents alike can enjoy the transition of seasons while embracing the natural beauty that September brings.

September Temperature in Pine Knoll Shores

As September rolls into Pine Knoll Shores, the temperatures hint at the transition to autumn while still embracing the warmth of summer. With a minimum of 15°C (59°F) and an average of 25°C (77°F), the days remain pleasantly warm, often reaching a maximum of 32°C (90°F). This month marks a continuation of the summer heat seen in August, yet the evenings begin to cool, offering a refreshing respite. The trend showcases a gradual decline from the peak summer temperatures, blending the lingering warmth with the early whispers of fall—making September an ideal time to enjoy outdoor activities amid the stunning coastal scenery.

September Weather in Pine Knoll Shores: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Pine Knoll Shores, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec495355637177818077705953
Data source: Temperature data for Pine Knoll Shores 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 Pine Knoll Shores

In September, Pine Knoll Shores experiences a notable surge in precipitation, with a striking 214 mm (8.4 in) of rain over just 13 days. This marks a continuation of the wet trend that begins in the summer months, where August already records significant rainfall at 191 mm (7.5 in). The transition into fall sees a consistent uptick in moisture, highlighting September as the wettest month of the year, outpacing other months with a substantial margin. The cooler temperatures and increasing storm activity signal a dynamic shift in weather patterns, making this month pivotal for understanding the region's annual climate behaviors. As the days shorten and summer gives way to autumn, the rainfall acts as a reminder of the shifting seasons in this coastal town.

September Precipitation Trends in Pine Knoll Shores

The chart displays monthly precipitation patterns in Pine Knoll Shores, 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.
JanFebMarAprMayJunJulAugSepOctNovDec821368310711415715419121482108148
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pine Knoll Shores

September in Pine Knoll Shores brings a subtle decline in humidity, with levels averaging 80%—a refreshing drop from the summer months when humidity peaks at 83% in July. This shift marks a transition toward the milder fall climate, as the region gradually exchanges the sticky heat of summer for drier air. Over the year, humidity remains relatively high, with the highest readings occurring in January and December at 84%. Despite September's lower figures, it still fits within a consistent pattern, where humidity hovers in the 80% range from spring through early autumn, creating a unique blend of comfort and warmth that characterizes this coastal paradise.

September Average Humidity in Pine Knoll Shores

This chart illustrates the average monthly humidity levels in Pine Knoll Shores, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Pine Knoll Shores

In September, Pine Knoll Shores experiences a notable UV Index of 9, categorizing the sun’s rays as very high and indicating a burn time of just 15 minutes for unprotected skin. This trend reflects a transition from the extreme conditions of summer, where the UV Index has been consistently at 11 during June through August, to slightly milder yet still potent levels. As the year progresses, the UV Index begins to taper off, dropping to 8 in October. It's important for residents and visitors to stay vigilant and take sun safety precautions during this month. For more detailed information, you can explore the Pine Knoll Shores UV Index.

Maximum UV Index Levels in Pine Knoll Shores for September

The chart shows the monthly maximum UV Index (UVI) for Pine Knoll Shores 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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109854
Data source: Pine Knoll Shores 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 Pine Knoll Shores

As summer gracefully transitions into fall, September shines in Pine Knoll Shores with an impressive 299 hours of sunshine. This month continues the trend of abundant light, following July's peak at 338 hours. Although there is a slight dip from August's 323 hours, September still offers a robust amount of daylight, making it an ideal time for outdoor enthusiasts to relish the warm weather before autumn settles in. The gradual decrease in sunshine as the year progresses highlights the enchanting shift of the seasons, reminding visitors of nature's rhythmic beauty.

Monthly Sunshine Duration in Pine Knoll Shores: September Highlighted

The September sunshine duration represents the total number of hours Pine Knoll Shores 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.
JanFebMarAprMayJunJulAugSepOctNovDec179h208h279h312h333h324h338h323h299h291h235h212h
Data source: Pine Knoll Shores September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pine Knoll Shores During September

September in Pine Knoll Shores boasts a promising 57% chance of sunny weather, aligning it with the month of April for the most favorable skies in the year. As summer wanes, the likelihood of sunshine increases, contrasting with the cooler, cloudier months of June and July, which register lower chances at 31% and 45%, respectively. This upward trend in clear skies continues through September, making it an ideal time to enjoy outdoor activities before the autumn chill sets in. With sunny days on the horizon, residents and visitors alike can relish the final days of summer warmth, seeking adventures under the sun.

Percentage of Sunny Days in September in Pine Knoll Shores

The chart illustrates the percentage of sunny days in Pine Knoll Shores 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 Pine Knoll Shores experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%34%36%57%49%31%45%43%57%47%59%47%
Data source: Pine Knoll Shores September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pine Knoll Shores in September

In Pine Knoll Shores, September marks a gentle transition in daylight duration as summer begins to wane. With 12 hours of daylight, it stands as a bridge between the long, sun-drenched days of summer—peaking at 14 hours in June and July—and the shorter days of autumn. As the year progresses, daylight gradually diminishes, dipping to 11 hours in October and continuing the trend toward winter's even shorter days. Interestingly, September's daylight provides a perfect backdrop for enjoying the lingering warmth while reminding us that the days will soon grow shorter, inviting moments of reflection as nature begins its seasonal shift.

Average Daylight Hours in Pine Knoll Shores for September

The chart illustrates the variation in daylight duration in Pine Knoll Shores throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 6m10h 56m11h 59m13h 4m13h 59m14h 25m14h 11m13h 23m12h 20m11h 15m10h 19m9h 51m
Data source: Pine Knoll Shores daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Pine Knoll Shores

As summer gracefully transitions to fall, September in Pine Knoll Shores brings a gentle breath of wind, with an average speed of 4.3 m/s (10 mph). This marks a slight decrease from the peak summer winds, which reached around 4.6 m/s (10 mph) in July, offering a refreshing reprieve from the heated months. The prevailing trend shows that while wind speeds fluctuate throughout the year, they typically remain in a comfortable range, especially during the spring and fall. September's breezy conditions provide the perfect backdrop for outdoor activities, allowing residents and visitors alike to enjoy the coastal beauty of the area without the intensity of summer gales. As the month nears its end, the calming winds hint at the cooler autumn days ahead, maintaining a pleasant atmosphere for all to savor.

Average September Wind Speed in Pine Knoll Shores

The chart displays monthly wind speed patterns in Pine Knoll Shores, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.65.55.54.85.24.84.63.74.3 m/s4.65.15.0
Data source: Pine Knoll Shores September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Pine Knoll Shores Compares to Other Months

The weather in Pine Knoll Shores 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 Pine Knoll Shores and find detailed weather information for every month.

September and January showcase a stark contrast in weather conditions. September experiences warmer temperatures, with a minimum of 15°C (59°F), an average of 25°C (77°F), and a maximum of 32°C (90°F), coupled with high humidity at 80%. This month also brings substantial rainfall, totaling 214 mm (8.4 in) over 13 days. In contrast, January sees a significant dip in temperatures, starting from a low of -8°C (18°F) and peaking at 22°C (71°F), with a much cooler average of 10°C (50°F). Precipitation is lower during this winter month, amounting to 82 mm (3.2 in) across 9 days, while humidity slightly increases to 84%. For more details, you can refer to the Pine Knoll Shores weather in January.

September and February offer contrasting weather experiences. In September, temperatures are significantly warmer, ranging from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F). This month also sees substantial precipitation, with around 214 mm (8.4 inches) falling over 13 days and humidity levels around 80%. In contrast, February is much cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 22°C (71°F) and an average of 12°C (53°F). February's precipitation is lower at 136 mm (5.4 inches) over just 11 days, and humidity remains similarly high at 81%. For more detailed information, you can check Pine Knoll Shores weather in February.

September and March present strikingly different weather patterns. In September, temperatures range from a mild 15°C (59°F) to a warm 32°C (90°F), with an average of 25°C (77°F), creating a summery atmosphere. This month sees significant rainfall, totaling 214 mm (8.4 in) over approximately 13 days, accompanied by a high humidity level of 80%. In contrast, March experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 23°C (73°F), averaging 13°C (56°F). Precipitation is lighter in March, amounting to 83 mm (3.3 in) over about 10 days, yet the humidity remains consistent at 80%. For more details on March weather specifics, you can refer to Pine Knoll Shores weather in March.

When comparing the weather of September and April, it's clear that September tends to be warmer and wetter. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F), while April sees cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 26°C (78°F), averaging 17°C (63°F). Additionally, September experiences significantly more precipitation, with 214 mm (8.4 in) over 13 days, compared to April's 107 mm (4.2 in) over 9 days. Both months maintain a consistent humidity level of 80%, contributing to the overall feel of the coastal climate. For more detailed information about April weather specifically, you can check Pine Knoll Shores weather in April.

When comparing the weather in September and May, both months showcase warm temperatures with maximums reaching 32°C (90°F). However, September generally has higher temperatures, with an average of 25°C (77°F) compared to May’s average of 22°C (71°F). Precipitation is notably higher in September, with 214 mm (8.4 in) over 13 days, compared to May's 114 mm (4.5 in) over just 10 days. Humidity levels are fairly similar, with September at 80% and May slightly higher at 81%. For a closer look at the weather specific to Pine Knoll Shores during May, you can visit Pine Knoll Shores weather in May.

When comparing the weather in September and June, both months exhibit similar average temperatures, with September seeing a minimum of 15°C and a maximum of 32°C, while June has a minimum of 15°C and a maximum of 31°C. However, September typically experiences more rainfall, with total precipitation of 214 mm over approximately 13 rainy days compared to June's 157 mm over 17 days. Humidity levels are also slightly higher in June at 82%, compared to 80% in September. For additional details on June weather, visit Pine Knoll Shores weather in June.

When comparing the weather between July and September, we see some notable differences. July typically features higher minimum temperatures at 20°C (69°F) and an average of 27°C (81°F), while September starts with a cooler minimum temperature of 15°C (59°F) but maintains the same maximum of 32°C (90°F). Additionally, September experiences significantly more precipitation, totaling 214 mm (8.4 in) over 13 days, compared to July’s 154 mm (6.0 in) over 16 days. Both months have a high humidity level, with July at 83% and September at 80%, contributing to a muggy atmosphere. For more specific weather insights, you can check out Pine Knoll Shores weather in July.

In September, the weather shows a noticeable shift compared to August. While both months share the same maximum temperature of 32°C (90°F), September experiences cooler minimum temperatures, dropping to 15°C (59°F) compared to August's milder 20°C (69°F). The average temperature in September is also slightly lower at 25°C (77°F), down from August's average of 27°C (80°F). Precipitation levels are higher in September, with 214 mm (8.4 in) over 13 days, compared to August's 191 mm (7.5 in) across 19 days. Humidity remains fairly consistent, with September at 80% and August slightly higher at 82%. This transition marks the end of summer’s heat, making September a more varied month in terms of weather. For more details, you can check Pine Knoll Shores weather in August.

September and October exhibit notable differences in weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F). The month also experiences significant rainfall, totaling 214 mm (8.4 in) over 13 days, and maintains a high humidity level of 80%. In contrast, October sees cooler temperatures, with a minimum of 8°C (47°F) and an average of 21°C (70°F), peaking at 30°C (86°F). Precipitation decreases substantially to 82 mm (3.2 in) across 10 days, while humidity remains relatively stable at 79%. For more details on October weather in Pine Knoll Shores, check out this link: Pine Knoll Shores weather in October.

In September, the weather is characterized by warm temperatures, with a significant range from a minimum of 15°C (59°F) to a maximum of 32°C (90°F) and an average of 25°C (77°F). However, it is also quite rainy, experiencing 214 mm (8.4 in) of precipitation over 13 days with humidity levels around 80%. In contrast, November sees a cooler climate, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 26°C (79°F) and an average of 15°C (59°F). The precipitation decreases to 108 mm (4.3 in) over 9 days despite slightly higher humidity at 83%. For a detailed look at November weather, you can visit Pine Knoll Shores weather in November.

September weather is characterized by warm temperatures, with a minimum of 15°C (59°F) and an average high of 32°C (90°F), making it a vibrant month. In contrast, December sees significantly cooler temperatures, ranging from a low of -1°C (31°F) to a mild high of 22°C (72°F). While September experiences higher precipitation levels of 214 mm (8.4 in) over 13 days, December brings a more moderate 148 mm (5.8 in) of rain spread across 10 days. Humidity levels are slightly higher in December at 84%, compared to 80% in September. For more detailed information, visit Pine Knoll Shores weather in December.

Compare Pine Knoll Shores's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Pine Knoll Shores

As September unfolds in Pine Knoll Shores, the transition from summer's peak heat begins to create a more pleasant atmosphere. With temperatures cooling to a comfortable average of 25°C (77°F), this month offers a welcome reprieve from the sweltering highs earlier in the season. Although rain makes its presence known with about 13 days of precipitation, this contributes to the lush, vibrant landscape characteristic of early fall. The humidity remains relatively high, hovering around 80%, adding a soft, tropical feel to the air. For those seeking to enjoy the mild and dynamic weather of coastal North Carolina, September stands out as a uniquely refreshing experience. Explore more about the specifics of this enchanting weather in our detailed guide: Pine Knoll Shores Climate.