Last updated: February 24, 2025
In September, the Emerald Isle serves as a picturesque escape for visitors, with temperatures ranging from a comfortable 11°C (53°F) at night to a warm 34°C (94°F) during the day, averaging a pleasant 25°C (77°F). This month witnesses a significant precipitation amount of 218 mm (8.6 in), occurring over 14 days, adding a refreshing touch to the coastal environment. The high 80% humidity further enriches the lush landscapes, making September a dynamic time to experience the island's natural beauty, balanced by the interplay of sun and rain.
In September, the temperatures in Emerald Isle, United States exhibit a delightful transition, marking the close of summer with a warm embrace. With a minimum temperature of 11°C (53°F), the month kicks off with moderate warmth, while the average temperature hovers around a pleasant 25°C (77°F). As the days warm up, the maximum temperature can reach up to 34°C (94°F), mirroring the highs experienced in August. Notably, this month signifies a gradual cooling trend as the community shifts towards fall, with subsequent months showing a steady decline in temperatures. The season's end is sweetened by the lingering warmth, making September a perfect time for outdoor adventures before the cooler months set in.
September marks a notable peak in precipitation for Emerald Isle, with an impressive 218 mm (8.6 in) of rain recorded. This substantial rainfall occurs over 14 days, contributing to the trend of increasing precipitation from summer into early fall. August, the previous month, also experiences significant rainfall at 187 mm (7.4 in), but September’s total surpasses it, highlighting the transition to wetter weather as the season changes. As autumn approaches, the frequency and volume of rain reflect the region's climatic pattern, where humidity and storm activity typically rise, leading to lush landscapes and vibrant natural scenery. This increase in precipitation sets the stage for the cooler, more temperate months ahead, making September both a climactic and transformative time in Emerald Isle.
September in Emerald Isle, United States, experiences a moderate humidity level of 80%, marking a subtle decline from the summer months. As the sweltering heat of July and August gives way to the cooler autumn breezes, humidity levels exhibit a gentle decrease, echoing the transition into fall. This pattern of gradually lowering humidity is consistent as the year progresses; notably, the months leading into September maintain higher humidity percentages, hovering around 82% to 83%. Following September, October continues this trend with an even drier average of 79%. Overall, September serves as a bridge between the humid summers and the more comfortable, crisp days of fall, making it an ideal time to enjoy the coastal beauty of Emerald Isle.
As September rolls into Emerald Isle, the UV Index remains high at 9, indicative of very high exposure risks. This month, sun seekers must be vigilant, as the burn time is just 15 minutes—not far removed from the extreme levels experienced in the peak summer months of June and July, which also reached an Index of 11. With the UV Index gradually declining from the peak summer readings, it reflects a seasonal shift while still requiring protective measures against the sun's intensity. As we transition into autumn, residents and visitors alike should stay informed and proactive to safeguard their skin during outdoor activities. For more detailed information, visit Emerald Isle UV Index.
UV Risk Categories
As summer gives way to autumn, September in Emerald Isle offers a delightful blend of warmth and light, boasting 296 hours of sunshine. This marks a slight dip from the sun-drenched heights of July and August, but it remains gracefully abundant compared to the winter months. With more sunshine than any month from January to May, September showcases a vibrant transition, where the lingering summer energy meets the gentle onset of fall. While the days begin to shorten, the warm glow of the sun continues to invite outdoor adventures, making it a perfect time for beachcombing or relaxing seaside. As the month progresses, the charm of early autumn emerges, reminding us of the beauty of change in this coastal paradise.
September in Emerald Isle, United States, boasts a sunny disposition with a 56% chance of clear skies, making it one of the more favorable months for sunshine as summer transitions into fall. This follows a slight uptick from the summer months of June and July, where the likelihood dipped to 29% and 43%, respectively. As the heat of summer fades, September emerges as a beacon of hope for those craving sun, surpassing May and closely trailing April's 58%. With the likelihood of sunny weather remaining consistently strong throughout September, it presents an ideal opportunity to bask in the warm coastal climate before the onset of autumn.
In Emerald Isle, United States, September marks a subtle transition in daylight duration as summer begins to wane. With about 12 hours of daylight, the month maintains a comfortable amount of light, just slightly less than the peak of 14 hours seen in June and July. As we move from the longest days of summer into the fall, this gradual reduction in daylight mirrors the overall trend of diminishing light, which begins in August and continues into the colder months. This pattern not only signals a shift in seasons but also invites a cozy ambiance perfect for enjoying the beauty of early autumn alongside the beach.
As September graces Emerald Isle, the calming breezes begin to shift, with an average wind speed of 3.2 m/s (7 mph). This marks a subtle increase from the summer lull, where the winds dipped to their lowest point in August at 2.7 m/s (6 mph). While still gentle, September's breezes hint at the transition towards the more consistent winds of fall, echoing the patterns of earlier months. Interestingly, the winds have maintained a relatively stable range throughout the year, generally hovering between 3.4 m/s (8 mph) and 4.2 m/s (9 mph). As autumn unfolds, air currents become a delightful backdrop to the island's scenic beauty, inviting residents and visitors alike to embrace the natural rhythm of Emerald Isle's coastal charm.
The weather in Emerald Isle 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 Emerald Isle and find detailed weather information for every month.
September and January present stark contrasts in weather conditions. In September, temperatures soar with an average of 25°C (77°F) and highs reaching up to 34°C (94°F), while January sees a much chillier average of 9°C (48°F) and minimums plummeting to -12°C (11°F). September is also significantly wetter, receiving 218 mm (8.6 in) of rain over 14 days, compared to January's modest 69 mm (2.7 in) over just 8 days. Humidity levels are high in both months, reaching 80% in September and slightly higher at 84% in January. For more detailed information on January weather, visit Emerald Isle weather in January.
September typically experiences warmer temperatures with an average of 25°C (77°F) and highs reaching up to 34°C (94°F), making it a summer month rich in heat and humidity, averaging 80%. In contrast, February sees significantly cooler weather, where temperatures drop to a minimum of -4°C (26°F) and an average of 11°C (53°F), with highs peaking at 25°C (78°F). Additionally, while September witnesses a considerable amount of rainfall, accumulating to 218 mm (8.6 in) over about 14 days, February is milder in terms of precipitation, totaling 110 mm (4.3 in) over approximately 10 days. For more insights on February weather, you can check Emerald Isle weather in February.
September and March present contrasting weather patterns. September typically enjoys warmer temperatures, with averages reaching around 25°C (77°F) and highs of 34°C (94°F), while March is cooler, averaging just 13°C (56°F) and peaking at 27°C (81°F). Additionally, September experiences significantly higher precipitation, totaling 218 mm (8.6 in) over about 14 days, compared to March's 71 mm (2.8 in) across 9 days. Despite the differences in temperature and precipitation, both months share a consistent humidity level of 80%. For more detailed insights into March weather in Emerald Isle, visit Emerald Isle weather in March.
When comparing the weather in September and April, notable differences emerge. September boasts warmer temperatures, with a minimum of 11°C (53°F) and averages reaching 25°C (77°F), peaking at 34°C (94°F). In contrast, April experiences cooler conditions, featuring a minimum temperature of 0°C (33°F) and an average of 17°C (64°F), with a maximum of 29°C (85°F). Additionally, September faces significantly higher precipitation levels at 218 mm (8.6 in) over 14 days, while April sees just 105 mm (4.1 in) over 9 days. Both months maintain a humidity level of 80%, but the overall climate is much more temperate in April. For more detailed information, check out Emerald Isle weather in April.
In comparing the weather of September and May, September generally experiences warmer temperatures, with an average high of 25°C (77°F) compared to May’s 22°C (72°F). However, May can reach higher maximum temperatures, peaking at 37°C (99°F), while September’s maximum is 34°C (94°F). Precipitation levels are significantly higher in September, with 218 mm (8.6 in) over 14 days, compared to May's 117 mm (4.6 in) over 11 days. Both months share similar humidity levels, hovering around 80% in September and slightly higher at 81% in May. For more specific insights into May weather, check out Emerald Isle weather in May.
In comparing the weather of September and June, we can see some notable similarities and differences. Both months experience an average temperature of 25°C (77°F) and maximum temperatures reaching up to 34°C (94°F). However, September tends to be slightly cooler at night, with a minimum temperature of 11°C (53°F) compared to June’s 13°C (56°F). Additionally, September receives more rainfall, with a total of 218 mm (8.6 in) over 14 days, while June has 171 mm (6.7 in) spread over 17 days. Humidity levels are similar as well, with September at 80% and June at 82%. For more detailed insights on June weather, you can refer to Emerald Isle weather in June.
When comparing the weather in September to July, one can observe notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums dropping to 11°C (53°F) and maximums reaching up to 34°C (94°F), while the average temperature is 25°C (77°F). In contrast, July maintains a warmer climate with minimum temperatures at 17°C (63°F) and maximums peaking at 35°C (96°F), averaging 27°C (81°F). Precipitation levels are also higher in September, with 218 mm (8.6 in) over 14 days, compared to July’s 142 mm (5.6 in) spread over 19 days. Both months have high humidity levels, with September at 80% and July slightly higher at 83%. For more details on July weather in the area, check out Emerald Isle weather in July.
In comparing the weather between September and August, September typically experiences a wider temperature range, with minimum temperatures dropping to 11°C (53°F) compared to August's milder 18°C (64°F). While both months have the same maximum temperature of 34°C (94°F), September sees an average temperature of 25°C (77°F), slightly cooler than August's average of 27°C (80°F). Additionally, September has more precipitation, totaling 218 mm (8.6 in) over 14 rainy days, compared to August’s 187 mm (7.4 in) over 20 days. Humidity levels are comparable, with September at 80% and August slightly higher at 82%. For more details on August's weather patterns, you can check Emerald Isle weather in August.
September and October exhibit a notable shift in weather patterns. In September, temperatures range from a minimum of 11°C (53°F) to a maximum of 34°C (94°F), with an average of 25°C (77°F). The month is also marked by significant rainfall, totaling 218 mm (8.6 inches) over 14 days, paired with high humidity at 80%. In contrast, October brings cooler temperatures, dropping to a minimum of 5°C (41°F) and averaging 20°C (69°F), while still reaching highs of 33°C (92°F). Rainfall is considerably reduced to 71 mm (2.8 inches) across 8 rainy days, and humidity slightly decreases to 79%. For a more detailed look into the October weather, you can check Emerald Isle weather in October.
In September, the weather is characterized by warm temperatures, with a minimum of 11°C (53°F), an average of 25°C (77°F), and a maximum of 34°C (94°F). This month also sees substantial rainfall, averaging 218 mm (8.6 in) over 14 days, accompanied by high humidity levels around 80%. In contrast, November brings a significant drop in temperatures, where the minimum dips to -2°C (29°F) and the average settles at 13°C (56°F), peaking at 28°C (82°F). Precipitation is notably reduced to 100 mm (3.9 in) over just 9 days, and humidity slightly increases to 83%. This shift showcases a transition from the warm, humid conditions of early fall to the cooler, more variable temperatures of late autumn. For more detailed insights about November weather in this region, you can visit Emerald Isle weather in November.
September and December present markedly different weather conditions. In September, temperatures soar, with averages around 25°C (77°F) reaching up to a high of 34°C (94°F), while the month is often humid at 80% with significant rainfall of 218 mm (8.6 in) over 14 days. In contrast, December showcases a cooler climate, where average temperatures drop to 11°C (52°F), with highs of 24°C (75°F) and a chilling minimum of -4°C (25°F). Although it experiences less precipitation at 128 mm (5.0 in) spread over 10 days, December's humidity remains slightly higher at 84%. For more details about December weather in this area, you can explore Emerald Isle weather in December.
As summer transitions into fall, September on the Emerald Isle brings a unique blend of warmth and occasional rain, setting it apart from the hotter, drier months that precede it. While temperatures remain pleasantly warm, with an average hovering around 25°C (77°F), the increased humidity and notable rainfall—totaling 218 mm over about 14 days—introduce a refreshing dynamism to the coastal landscape. This combination of warmth and moisture not only enhances the lush surroundings but also provides a beautiful backdrop for both relaxation and adventure. For more insights into seasonal patterns, explore the detailed Emerald Isle Climate information.