Last updated: February 24, 2025
September in Sea Isle City, United States, showcases a delightful transition into fall, with a maximum temperature reaching a warm 31°C (88°F) and an average settling around 22°C (72°F). As the month progresses, the minimum temperature drops to a cool 11°C (53°F), offering crisp evenings. With 113 mm (4.4 in) of precipitation spread over 10 days, occasional showers bring relief and enhance the lush coastal scenery. The air carries a humidity level of 74%, creating a comfortable yet invigorating environment, perfect for enjoying the lingering summer vibes while preparing for the autumn chill.
As summer gives way to autumn, September temperatures in Sea Isle City offer a delightful transition, embracing the warmth of lingering summer while hinting at cooler days ahead. With minimums around 11°C (53°F) and averages settling at 22°C (72°F), the month enjoys pleasant afternoons, peaking at a comfortable 31°C (88°F). Compared to the scorching highs of July and August, September's milder climate cultivates a perfect atmosphere for beach outings and outdoor activities. As the ocean's warmth still lingers, residents and visitors alike can relish the balance between summer's end and the forthcoming autumn chill.
In September, Sea Isle City experiences average precipitation of 113 mm (4.4 in), making it one of the more significant months for rainfall as summer transitions to autumn. With about 10 rainfall days, the frequency of precipitation remains consistent, reflecting a trend similar to the preceding months of June and July, albeit with slightly reduced totals. This monthly data shows a clear shift as the city moves from the wetter and warmer summer months, emphasizing the onset of fall with an increase in rainfall activity. Notable is the drop in rainy days from the 15 days in August, indicating a potential easing in summer-like downpours while still keeping the atmosphere humid and vibrant. Overall, September's precipitation prepares Sea Isle City for the cooler, more unpredictable weather that follows as the year begins to wind down.
In September, Sea Isle City experiences a notable decline in humidity, averaging around 74%, making it one of the more comfortable months of the year. This decrease follows a subtle upward trend from April’s 79% to August’s 77%, where summer's heat can make the atmosphere feel more oppressive. As autumn approaches, humidity levels begin to drop, continuing the seasonal pattern toward the drier months of October and November. The shift in humidity not only signals a change in the weather but also enhances outdoor enjoyment, inviting locals and visitors alike to embrace the stunning coastal scenery as summer fades into fall.
As September unfolds in Sea Isle City, the UV Index remains elevated at 8, reflecting a very high exposure category. This indicates that sun protection is still crucial during this month, with a burn time of just 15 minutes for unprotected skin. Interestingly, while the summer months witness consistent peaks at 10, September signals a gradual decrease in UV intensity compared to August. However, the readings highlight a trend of sustained high UV levels that persist into the early autumn, underscoring the importance of staying vigilant about sun safety even as temperatures begin to cool. For more details on the UV Index trends throughout the year in this coastal city, check out Sea Isle City UV Index.
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As summer transitions into autumn, September in Sea Isle City offers a delightful balance of warmth and sunshine, boasting about 289 hours of sun. This month typically sees a gradual decline from the peak sunshine of July's 362 hours, yet September still enjoys significantly more sunlight than the gray days of winter. The warmth of summer lingers, allowing visitors to relish milder beach days and vibrant sunsets while enjoying the rich camaraderie of a bustling seaside town before the colder months set in. As the days shorten, the charm of early fall captivates both tourists and residents alike, making September a magical time to experience all that Sea Isle City has to offer.
September marks a delightful transition in Sea Isle City, boasting a 55% chance of sunny weather—the highest probability since July. This uptick in sunshine tends to reflect the lingering warmth of summer, inviting locals and visitors alike to enjoy the outdoors before the cool autumn air sets in. In contrast to the more unpredictable weather seen from June to August, September stands out as a beacon for sun seekers, revealing a favorable trend as the seasons shift. With confidence in sunny days returning, it’s an ideal time for beach strolls and festive gatherings, where memories under the sun can be created and cherished before the days grow shorter.
As September unfolds in Sea Isle City, daylight begins to wane, offering residents and visitors a glimpse of the shift towards autumn. With 12 hours of daylight, this month marks a gradual decline from the vibrant 14 hours enjoyed during the height of summer. This transitional phase reveals a clear trend: as the year progresses, daylight slowly diminishes, peaking in June and July before tapering off. The warm hues of summer linger into September, yet the shorter days serve as a gentle reminder of the approaching chill of fall, making it a perfect time for leisurely strolls on the beach while savoring the last golden rays of sun.
As September unfolds in Sea Isle City, a gentle resurgence of winds brings a breath of fresh air after the summer lull. With an average wind speed of 4.0 m/s (9 mph), September marks a slight increase from the balmy breezes of August, which had the mildest winds of the year at 3.1 m/s (7 mph). This subtle uptick indicates a transition period, as summer’s warmth begins to yield to the crisp beginnings of fall. Notably, September's wind patterns maintain a steady average, aligning closely with the calm yet refreshing conditions of spring and early fall, while providing a delightful escape from the heat. As the season progresses into autumn, the winds will start to mimic those of January and October, hinting at the cooler days that lie ahead.
The weather in Sea Isle 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 Sea Isle City and find detailed weather information for every month.
September temperatures are generally mild and warm, averaging around 22°C (72°F) with a maximum of 31°C (88°F), while January brings a stark contrast with much colder conditions, averaging just 3°C (38°F) and reaching a maximum of only 17°C (64°F). The month of September experiences higher humidity at 74% and more rainfall, totaling 113 mm (4.4 in) over approximately 10 days, whereas January, despite being drier with only 68 mm (2.7 in) of precipitation over 9 days, has a noticeably higher humidity level at 83%. For more detailed insights, you can refer to Sea Isle City weather in January.
September and February present starkly contrasting weather conditions. September enjoys milder temperatures, with averages hovering around 22°C (72°F) and maximums reaching up to 31°C (88°F), while February is considerably cooler, with an average temperature of only 5°C (41°F) and maximums peaking at 19°C (66°F). Precipitation levels are relatively close, with September receiving 113 mm (4.4 in) over about 10 days, compared to February's 102 mm (4.0 in) over 11 days. The humidity is also notable, hitting 74% in September, increasing slightly to 82% in February, contributing to the winter chill. For a more detailed look at winter weather, check out Sea Isle City weather in February.
September and March present contrasting weather conditions. In September, temperatures range from a mild 11°C (53°F) at night to a warm 31°C (88°F) during the day, with an average temperature of 22°C (72°F). The month sees about 113 mm (4.4 in) of rainfall over approximately 10 days, accompanied by a humidity level of 74%. In stark contrast, March experiences much cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 24°C (75°F), resulting in an average of just 7°C (45°F). While precipitation is slightly lower at 105 mm (4.1 in) over the same number of days, the humidity rises to 81%. For a closer look at weather specifics, check out Sea Isle City weather in March.
When comparing the weather in September and April, it’s clear that September generally offers warmer temperatures, with averages around 22°C (72°F) and highs reaching up to 31°C (88°F). In contrast, April features cooler averages of 12°C (54°F) and maximum temperatures of 27°C (81°F). Both months experience significant humidity, with September at 74% and April slightly higher at 79%. Precipitation is fairly comparable, with September receiving 113 mm (4.4 in) over 10 days and April somewhat less at 94 mm (3.7 in) across 12 days. For more details, check out Sea Isle City weather in April.
When comparing the weather in September and May, we see that September tends to have warmer temperatures overall, with averages around 22°C (72°F) compared to May's 17°C (62°F). The maximum temperatures are slightly higher in September, reaching up to 31°C (88°F), while May peaks at 30°C (86°F). Both months have similar levels of precipitation, with September receiving 113 mm (4.4 in) over about 10 days and May slightly less at 112 mm (4.4 in) over 11 days. Humidity levels remain constant at 74% for both months. For a closer look at May weather in Sea Isle City, check out Sea Isle City weather in May.
September and June exhibit similar average temperatures, both ranging with a minimum of 11°C (53°F), an average of 22°C (72°F), and a maximum of 31°C (88°F in September and 89°F in June). However, September tends to be wetter, with 113 mm (4.4 in) of precipitation over approximately 10 days, compared to June's 76 mm (3.0 in) during the same number of days. Humidity levels are slightly lower in September at 74% compared to 77% in June. For more detailed information, check out Sea Isle City weather in June.
When comparing the weather in September and July, we can see distinct differences in temperature and precipitation patterns. September experiences a broader range of temperatures, with a minimum of 11°C (53°F) and a maximum of 31°C (88°F), leading to an average of 22°C (72°F). In contrast, July is warmer overall, with a minimum of 17°C (64°F), an average of 26°C (78°F), and a maximum of 34°C (93°F).
Additionally, while both months see significant precipitation, September has slightly less, with 113 mm (4.4 in) over 10 days compared to July's 130 mm (5.1 in) over 11 days. Humidity levels are also comparable, with September at 74% and July slightly higher at 76%. For more specifics about July weather, you can check this link: Sea Isle City weather in July.
In comparing the weather between August and September, we see a shift in temperatures and precipitation patterns. August tends to be slightly warmer, with minimum temperatures of 17°C (64°F) and an average of 25°C (77°F), reaching a maximum of 32°C (90°F). In contrast, September experiences cooler nights with a minimum of 11°C (53°F) and a more moderate average temperature of 22°C (72°F), peaking at 31°C (88°F). Precipitation is also noticeable in both months, with September receiving 113 mm (4.4 in) over 10 days, while August sees slightly higher precipitation at 118 mm (4.6 in) across 15 days. Humidity remains relatively similar in both months, with August at 77% and September at 74%. For a more detailed view, you can check out Sea Isle City weather in August.
In comparing the weather of September and October, we see a notable shift in temperatures and precipitation patterns. September boasts warmer conditions with an average temperature of 22°C (72°F) and a maximum reaching up to 31°C (88°F), while October sees a drop in average temperature to 17°C (63°F) and minimums plummeting to 5°C (42°F). Both months experience significant precipitation, with October slightly wetter at 133 mm (5.3 in) over 8 days compared to September's 113 mm (4.4 in) over 10 days. Humidity levels remain relatively similar, with September at 74% and October slightly higher at 75%. For more details on October's weather, check out Sea Isle City weather in October.
September and November present distinctly different weather patterns. In September, temperatures typically range from a minimum of 11°C (53°F) to a maximum of 31°C (88°F), with an average of 22°C (72°F). The month tends to be relatively humid, at 74%, and sees around 113 mm (4.4 in) of precipitation over about 10 days. In contrast, November experiences much cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 22°C (72°F), averaging around 10°C (50°F). While precipitation is somewhat lower at 81 mm (3.2 in) and occurs over fewer days (7), humidity rises slightly to 80%. For a more detailed look at the weather conditions, check out Sea Isle City weather in November.
In September, temperatures are much warmer, with a minimum of 11°C (53°F) and a maximum of 31°C (88°F), averaging around 22°C (72°F). The month also features substantial precipitation of 113 mm (4.4 in) over 10 days, accompanied by moderate humidity at 74%. In contrast, December sees a significant drop in temperatures, with minimums reaching as low as -9°C (16°F) and a maximum of 18°C (65°F), averaging 6°C (43°F). Although precipitation remains similar at 108 mm (4.2 in) over 10 days, the humidity increases slightly to 81%. For a more detailed look at what to expect, you can check out Sea Isle City weather in December.
As September unfolds in Sea Isle City, the weather presents a delightful transition from the summer heat to a more temperate climate. The warmth of the day still invites beachgoers, with pleasant afternoons contrasting the cooler evenings that signal the start of autumn. While occasional rainfall dots the month, bringing a refreshing change, the lingering humidity reminds us of the summer's embrace. This blend of warm days and cool nights offers a unique charm to the seaside town, setting September apart from the sweltering months that precede it. For those interested in a deeper exploration of seasonal trends, check out the detailed insights available at Sea Isle City Climate.