Last updated: February 24, 2025
In September, Isle of Palms experiences a delightful mix of warmth and occasional showers, making it a compelling destination for beach lovers and nature enthusiasts alike. With maximum temperatures reaching 32°C (90°F) and an average of 26°C (79°F), the climate is overall pleasant, tempered by a minimum of 16°C (61°F) during the cooler nights. Visitors should anticipate about 188 mm (7.4 in) of rain spread over 14 days, contributing to the island's lush landscapes. High humidity levels at 81% create a tropical feel, enticing vacationers to enjoy the sun while being prepared for refreshing downpours. Whether basking on the sandy shores or exploring the vibrant surroundings, September offers a unique charm on Isle of Palms.
As September rolls into the Isle of Palms, the warmth of summer lingers, with temperatures reflecting a delightful shift towards autumn. The month showcases a minimum temperature of 16°C (61°F), climbing to an average of 26°C (79°F) and peaking at a maximum of 32°C (90°F). This gradual transition marks a decrease in heat compared to the sweltering highs of July and August, where the mercury consistently hovered around 32°C (89°F). Nevertheless, September maintains a pleasantly warm ambiance, providing the perfect backdrop for beach activities and outdoor exploration. With cooler nights setting in, it's an ideal time to savor both warm days and refreshing evenings, embodying the best of the island’s late summer allure.
In September, the Isle of Palms experiences a notable precipitation total of 188 mm (7.4 in), closely following the heightened rainfall of August. With rainfall spread across 14 days, September reflects a continuation of the summer's wet pattern, though slightly less intense than the preceding month, which recorded 197 mm (7.8 in). As summer shifts to autumn, the total also represents a significant variance from the comparatively drier months of January to May, showcasing a seasonal trend where the late summer months yield the most precipitation. As the island transitions into October, a marked decrease in both precipitation amount and rainy days can be expected, signaling the end of the peak rainfall season.
September in Isle of Palms sees an average humidity of 81%, continuing the summer's trend of elevated moisture levels. Throughout the year, humidity remains relatively consistent, with the peak levels found in the winter months of December (84%) and January (83%). The late summer months of July (82%) and August (81%) closely mirror September's figures, creating a humid atmosphere as the seasons transition. As autumn approaches, October experiences a slight drop to 78%, hinting at a gradual change in the climate. Overall, the data showcases a warm, humid environment typical of coastal regions, making September a continuation of the rich summer vibe in Isle of Palms.
As summer fades and September rolls in, the UV Index in Isle of Palms, United States, settles at a significant 9, indicating a very high exposure level. This marks a dip from the extreme conditions of July and August, yet it's essential to remain vigilant with a burn time of just 15 minutes for unprotected skin. The data reveals a gradual decline in UV intensity as the year progresses, with peak values reached in July and August, but September's readings remind us that sun safety is still critical as beachgoers enjoy the more temperate coastal weather. For more insights on UV exposure, check out Isle of Palms UV Index.
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As summer fades into fall, September in Isle of Palms showcases a delightful transition with 304 hours of sunshine. While the month may see a slight dip from the peak of 345 hours in July, it still boasts a generous amount of sunny days, providing plenty of opportunities for beach outings and outdoor activities. The consistent warmth of early autumn complements the lingering summer vibes, revealed by the minor drop from August’s 321 hours. This trend of plentiful sunshine in September hints at the region’s charm, making it an ideal moment for visitors to enjoy the calm before the winter months, when sunlight decreases significantly to 248 hours and 220 hours in November and December, respectively.
As the summer winds down, September in Isle of Palms brings a renewed likelihood of sunny weather, boasting a 52% chance of sunshine. This marks a notable increase compared to the peak of summer months like June and July, which see a drop to 30% and 36% respectively. Not only does September stand out for its favorable weather, but it also follows a relatively promising April and May, showcasing a trend where sunshine makes a comeback after the harsher heat of summer begins to wane. With a 50% likelihood in October, the sunny streak continues, making September a delightful time for visitors seeking that perfect beach day.
As summer transitions to fall in the Isle of Palms, September brings a gentle decline in daylight hours, with approximately 12 hours of sunlight each day. This marks a shift from the 14 hours enjoyed in the heart of summer, reflecting nature's gradual retreat into the shorter days of autumn. Despite this reduction, the lingering warmth of late summer still embraces the coastal landscape, allowing residents and visitors to savor beautiful beach sunsets. The overall trend showcases a rhythmic ebb and flow of daylight throughout the year, creating a picturesque backdrop for transitioning seasons. As September progresses, it’s a perfect time to relish the remaining daylight before it dips further into the shorter days of October.
As summer transitions to autumn in Isle of Palms, September brings a gentle breeze with an average wind speed of 4.0 m/s (9 mph). This slight dip in wind speed reflects the calming effect of the changing seasons, following the summer's peak gusts. Traditionally, the winds in July reached their lowest at just 4.4 m/s (10 mph) before rising again in October, where they pick up slightly to 4.3 m/s (10 mph). September serves as a serene interlude, characterized by softer winds that create a peaceful atmosphere, perfect for leisurely beach walks and enjoying the coastal scenery. Overall, the trend across the late summer and early autumn months indicates a gradual smoothing of the breezes, enhancing the island's charm as it prepares for the cooler months ahead.
The weather in Isle of Palms 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 Isle of Palms and find detailed weather information for every month.
In September, the weather is characterized by warm temperatures, with a minimum of 16°C (61°F), an average of 26°C (79°F), and a maximum of 32°C (90°F). This month also sees a fair amount of rainfall, with 188 mm (7.4 in) of precipitation falling over 14 days, and humidity levels hovering around 81%. In contrast, January brings much cooler conditions, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 21°C (70°F) and an average of 12°C (53°F). The precipitation decreases significantly to 66 mm (2.6 in) over just 8 days, while humidity remains slightly higher at 83%. This stark contrast underscores the seasonal shift from the warm, humid weather of September to the chilly, drier days of January. For more details on January weather, visit Isle of Palms weather in January.
September and February present strikingly different weather patterns. September boasts a warmer climate with average temperatures around 26°C (79°F), peaking at 32°C (90°F), while February offers a cooler atmosphere with an average temperature of 14°C (57°F) and a maximum of 21°C (70°F). Additionally, September experiences significantly higher rainfall, totaling 188 mm (7.4 in) over approximately 14 days, compared to February's 91 mm (3.6 in) across 11 days. Humidity levels are quite similar, with September at 81% and February slightly lower at 79%. For more detailed information on February weather, you can check Isle of Palms weather in February.
The weather in September is noticeably warmer compared to March, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (90°F), resulting in an average of 26°C (79°F). In contrast, March experiences cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 23°C (74°F), averaging around 15°C (60°F). Additionally, September witnesses significantly higher precipitation, receiving 188 mm (7.4 in) over approximately 14 days, while March sees only 62 mm (2.4 in) of rain over 7 days. Despite the slight difference in humidity, which stands at 81% in September and 79% in March, it's clear that September offers a much hotter and wetter climate. For more details on March weather, check out Isle of Palms weather in March.
When comparing the weather in September and April, notable differences emerge. September typically showcases warmer temperatures, with a minimum of 16°C (61°F) and an average of 26°C (79°F), reaching a peak of 32°C (90°F). In contrast, April's temperatures are much cooler, with a minimum of 6°C (42°F) and an average of 19°C (66°F), maxing out at 27°C (81°F). Additionally, September experiences greater precipitation, with 188 mm (7.4 in) spread over 14 days, while April sees significantly less rain at 105 mm (4.1 in) across only 8 days. The humidity remains relatively similar in both months, with September at 81% and April at 78%. For those interested in learning more about the specifics of April weather, you can find details here: Isle of Palms weather in April.
When comparing the weather in September and May, September tends to be warmer overall, with average temperatures reaching 26°C (79°F) and maximums hitting 32°C (90°F). In contrast, May has a slightly cooler average temperature of 23°C (74°F) and a maximum of 31°C (89°F). September also experiences significantly more precipitation, with 188 mm (7.4 in) spread over about 14 days, compared to May’s 82 mm (3.2 in) over just 8 days. Humidity levels are fairly similar, with September at 81% and May at 78%. For a closer look at the weather conditions during May, you can visit Isle of Palms weather in May.
When comparing the weather in September and June, both months experience similar average temperatures, with comfortable averages of 26°C (79°F) and maximums peaking at 32°C (90°F). However, September tends to be a bit cooler at night, with minimum temperatures around 16°C (61°F) compared to June's slightly warmer 18°C (64°F). In terms of precipitation, September sees a notable increase with 188 mm (7.4 in) of rain over 14 days, while June has lower precipitation levels at 144 mm (5.7 in) across 17 days. Humidity is relatively high in both months, with September at 81% and June slightly lower at 78%. For more detailed information on June weather, you can check out Isle of Palms weather in June.
When comparing the weather in September and July, both months experience similar maximum temperatures, averaging around 32°C (90°F), while September showcases a slightly broader temperature range with a minimum of 16°C (61°F) compared to July’s milder minimum of 22°C (72°F). Precipitation levels are also noteworthy; September sees a higher amount of rainfall at 188 mm (7.4 in) over 14 days, whereas July has 171 mm (6.7 in) over 16 days, indicating that September may feel more humid and wetter. Additionally, humidity levels are comparable, with September at 81% and July at 82%, creating a consistently warm and moist atmosphere in both months. For more details about July weather conditions, you can check out Isle of Palms weather in July.
In comparing the weather of September and August, September offers slightly cooler temperatures, with a minimum of 16°C (61°F) and an average of 26°C (79°F), compared to August’s minimum of 23°C (73°F) and average of 27°C (81°F). The maximum temperatures remain fairly close, with September reaching up to 32°C (90°F) and August slightly lower at 31°C (89°F). Both months experience significant precipitation, with September seeing 188 mm (7.4 in) over 14 days and August recording 197 mm (7.8 in) over 21 days. Humidity levels remain consistent at 81% for both months. For a more detailed look at August weather specifically, you can visit Isle of Palms weather in August.
September typically boasts warmer temperatures, with averages reaching up to 26°C (79°F) and maximums of 32°C (90°F). In contrast, October sees a noticeable drop in temperatures, with minimums falling to 7°C (46°F) and an average of 23°C (73°F). Additionally, precipitation is higher in September at 188 mm (7.4 in) over 14 days, compared to October's 85 mm (3.4 in) spread over 10 days. Humidity levels remain relatively high in both months, though slightly lower in October at 78%. For a more detailed look at October weather in this region, check out Isle of Palms weather in October.
September and November present contrasting weather patterns. In September, temperatures range from a minimum of 16°C (61°F) to a warm average of 26°C (79°F), peaking at a maximum of 32°C (90°F). This month also sees significant rainfall, with a total of 188 mm (7.4 in) over 14 days, coupled with high humidity at 81%. In stark contrast, November features much cooler temperatures, with a minimum of 3°C (38°F) and an average of 16°C (62°F), reaching a maximum of 26°C (79°F). Rainfall decreases to 103 mm (4.1 in) over just 8 days, while humidity remains slightly elevated at 82%. For more information on November weather, check out Isle of Palms weather in November.
September and December present contrasting weather patterns. In September, temperatures range from a minimum of 16°C (61°F) to a maximum of 32°C (90°F), with an average of 26°C (79°F). This month sees considerable rainfall, totaling 188 mm (7.4 in) over 14 days, alongside high humidity levels of 81%. In stark contrast, December experiences cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 22°C (72°F), averaging at 13°C (56°F). Precipitation decreases to 141 mm (5.6 in) over just 10 days, while humidity slightly rises to 84%. For more information, you can check the Isle of Palms weather in December.
As summer transitions to fall, September in Isle of Palms brings a unique blend of warmth and humidity, making it distinct from the preceding months. With average temperatures around 26°C (79°F), the days remain pleasantly warm, although the occasional cool breeze can hint at the changing season. However, September also marks one of the wetter months, with an increased likelihood of rain on approximately half the days of the month, showcasing a notable shift in precipitation patterns. The high humidity levels can make the heat feel more intense, but beachgoers still relish the chance to enjoy the ocean before cooler weather sets in. For more insights into the seasonal variations that characterize this beautiful coastal region, visit Isle of Palms Climate.