September Weather in Coney Island, United States

Last updated: February 24, 2025

In September, Coney Island experiences a delightful climate, with maximum temperatures reaching a warm 31°C (88°F) and an average of 21°C (70°F), offering the ideal conditions for beachgoers and tourists alike. The minimum temperature dips to a refreshing 11°C (52°F) at night, perfect for those cooler evenings. However, be prepared for some rain, as the month sees about 97 mm (3.8 in) of precipitation spread over 10 days. With a humidity level of 68%, the air feels pleasantly balmy, creating a vibrant atmosphere that captures the essence of this iconic summer destination.

September Temperature in Coney Island

As summer begins to fade, September in Coney Island offers a delightful transition, with temperatures that strike a perfect balance between warmth and the crispness of fall. The month starts with minimums around 11°C (52°F) and comfortably averages at 21°C (70°F), while highs can reach a pleasant 31°C (88°F), inviting locals and tourists alike to enjoy the beach before it cools down. This period shows a noticeable decline from the sweltering heat of July and August, yet retains enough warmth to extend outdoor activities and festivities. With its charming blend of summer vibes and the forthcoming autumn chill, September is truly a vibrant month in Coney Island.

September Weather in Coney Island: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Coney Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353742516070777670614840
Data source: Temperature data for Coney Island 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 Coney Island

September in Coney Island experiences a moderate precipitation level with an average of 97 mm (3.8 in), making it somewhat drier compared to the preceding summer months. The rain typically falls over 10 days, reflecting a decline from the more frequent downpours seen in July and August, which average 13 days of rainfall each. This trend suggests a transition from the humid summer, laying the groundwork for the wetter October, where precipitation spikes to 142 mm (5.6 in). Overall, September serves as a bridge between the summer's higher rainfall and the onset of fall, allowing for a respite before the autumn deluge begins.

September Precipitation Trends in Coney Island

The chart displays monthly precipitation patterns in Coney Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec76123106122122901331199714293122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Coney Island

In Coney Island, September brings a refreshing shift in humidity, settling at 68%—a slight increase from the summer months. This transitional period signals the end of the warmer season, as humidity levels show a gradual rise after dipping to a comfortable 62% in July and 65% in August. The trend indicates that as summer fades, residents can expect the air to feel a bit more humid again, transitioning toward the wetter fall months. While this September level is considerably lower than the winter months like January at 84%, it clearly reflects the lingering warmth of the late summer season while ushering in the cooler breezes of autumn.

September Average Humidity in Coney Island

This chart illustrates the average monthly humidity levels in Coney Island, 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%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Coney Island

As September rolls into Coney Island, the UV Index settles at a high level of 8, indicating a transition from the intense summer sun while still demanding caution for sun exposure. With a burn time of just 15 minutes, it's essential to apply sunscreen and seek shade during peak hours, especially as the days gradually shorten. This trend reflects a slight dip from August's 9, yet the levels remain in the very high category, consistent with the sun's powerful rays experienced throughout the summer months. As we move into fall, lower UV indices in October will follow, emphasizing the need to remain vigilant against the sun even as the season changes. For more insights on UV levels and to plan your outings, visit Coney Island UV Index.

Maximum UV Index Levels in Coney Island for September

The chart shows the monthly maximum UV Index (UVI) for Coney Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Coney Island 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 Coney Island

As summer transitions into fall, Coney Island basks in the golden rays of September, boasting an impressive 282 hours of sunshine. This marks a slight decrease from the sun-soaked peak of July, which dazzles at 353 hours, but still remains vibrant compared to earlier months. The trajectory of sunlight in this lively coastal locale reveals a clear trend: as the year progresses, sunlight hours generally climb to a summer zenith before gently tapering off. May and June show the promise of warmth with 287 and 325 hours respectively, setting the stage for the sun-drenched days of July and August. However, as autumn sets in, Coney Island still enjoys a robust September, allowing visitors to relish the beach vibes before the cooler months usher in October and its 232 hours of sunlight. This blend of lingering warmth and early fall charm makes September a perfect time to experience the lively atmosphere of Coney Island.

Monthly Sunshine Duration in Coney Island: September Highlighted

The September sunshine duration represents the total number of hours Coney Island 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h182h257h249h287h325h353h323h282h232h217h180h
Data source: Coney Island September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Coney Island During September

September in Coney Island offers a moderate chance of sunny weather, with a 47% likelihood of bright skies. As summer winds down, the month serves as a transitional period, showcasing a notable uptick from the gray days of August, which dips to just 30%. Compared to earlier months, September stands out as a promising time, closely mirroring the sunniest spells of March and outperforming April and May. As the humidity decreases and pleasant temperatures begin to take over, September sets the stage for outdoor enjoyment, making it an enticing month for beachgoers and fair-weather aficionados alike.

Percentage of Sunny Days in September in Coney Island

The chart illustrates the percentage of sunny days in Coney Island 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 Coney Island experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%31%57%46%43%38%45%30%47%39%55%32%
Data source: Coney Island September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Coney Island in September

As summer yields to autumn, September in Coney Island offers a graceful transition in daylight hours. With approximately 12 hours of daylight, this month marks the subtle decline from the peak brightness enjoyed during the summer months of June and July, which each bask in 14 hours of sunlight. The gradual shortening of days is palpable as nature begins to don its fall attire, mirroring the steady decrease from 13 hours in August. While September's daylight still provides ample opportunities for beach outings and outdoor adventures, it heralds the approach of shorter days ahead, hinting at the cozy, quieter moments of October and November, with their 11 and 9 hours of daylight, respectively.

Average Daylight Hours in Coney Island for September

The chart illustrates the variation in daylight duration in Coney Island throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 38m10h 40m11h 58m13h 18m14h 26m14h 59m14h 41m13h 41m12h 24m11h 4m9h 55m9h 19m
Data source: Coney Island daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Coney Island

As summer gives way to fall, September in Coney Island ushers in a subtle increase in wind speed with an average of 4.0 m/s (9 mph). This modest rise marks a departure from the tranquil, languid breezes of the previous months, where July and August recorded their lowest speeds at 3.3 m/s (7 mph) and 3.2 m/s (7 mph), respectively. Interestingly, September's winds signal a gradual transition back to the more robust gusts typical of the earlier months, which peaking at 4.7 m/s (11 mph) from January through March. As the air cools, the refreshing September winds beckon visitors to the coast, hinting at the vibrancy of autumn fun while promising a balance between the gentle summer breezes and the invigorating gusts of fall.

Average September Wind Speed in Coney Island

The chart displays monthly wind speed patterns in Coney Island, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.74.74.74.34.23.73.33.24.0 m/s4.34.44.0
Data source: Coney Island September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Coney Island Compares to Other Months

The weather in Coney Island 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 Coney Island and find detailed weather information for every month.

September and January present starkly contrasting weather conditions. In September, temperatures range from a pleasant minimum of 11°C (52°F) to a warm maximum of 31°C (88°F), with an average of 21°C (70°F), reflecting the late summer heat. The month sees about 97 mm (3.8 in) of precipitation over approximately 10 days, with humidity levels at a comfortable 68%. In contrast, January experiences much colder temperatures, with a minimum of -17°C (2°F) and a maximum of 17°C (63°F), averaging just 2°C (36°F). Precipitation drops to 76 mm (3.0 in) over 9 days, accompanied by a higher humidity level of 84%. For more details, you can explore Coney Island weather in January.

September and February present stark contrasts in weather conditions. In September, temperatures range from a mild 11°C (52°F) at night to a warm 31°C (88°F) during the day, making it a comfortable month to enjoy outdoor activities. However, it also sees an average precipitation of 97 mm (3.8 in) over about 10 days, with a humidity level of 68%. In contrast, February is much colder, with temperatures dropping as low as -15°C (6°F) and averaging just 3°C (37°F). It experiences higher precipitation of 123 mm (4.9 in) across 11 days and a humidity level of 82%, contributing to a chillier atmosphere. For more detailed information on February weather, you can visit Coney Island weather in February.

When comparing the weather in September and March, we see a striking difference in temperatures and overall conditions. September boasts a mild temperature range with a minimum of 11°C (52°F) and a much warmer average of 21°C (70°F), peaking at a maximum of 31°C (88°F). In contrast, March experiences much cooler temperatures, ranging from a minimum of -8°C (18°F) to an average of only 5°C (42°F), with a maximum of 22°C (73°F). Precipitation levels are relatively similar, with September receiving 97 mm (3.8 in) and March slightly higher at 106 mm (4.2 in), both seen over 10 days. Additionally, March tends to be more humid, with a humidity level of 81%, compared to September's 68%. For more details, you can check Coney Island weather in March.

When comparing the weather in September and April, notable differences emerge. September typically experiences warmer temperatures, with a minimum of 11°C (52°F) and an average of 21°C (70°F), peaking at 31°C (88°F). In contrast, April sees much cooler conditions, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 25°C (78°F) and an average of just 11°C (51°F). Both months can expect considerable precipitation, with April recording 122 mm (4.8 inches) over 13 days, slightly higher than September's 97 mm (3.8 inches) over 10 days. Additionally, April has a higher humidity level at 78% compared to September's 68%. To explore more about how the weather unfolds, check out Coney Island weather in April.

When comparing the weather in September to that in May, notable differences emerge in both temperature and precipitation. September generally offers warmer temperatures, with lows around 11°C (52°F) and highs reaching 31°C (88°F), resulting in a comfortable average of 21°C (70°F). In contrast, May starts off cooler, with minimum temperatures around 3°C (38°F) and a modest average of 16°C (60°F). Precipitation is more prevalent in May, with an average of 122 mm (4.8 in) over 13 days, compared to September's 97 mm (3.8 in) over 10 days. Both months experience similar humidity levels, hovering around 68-69%. For more specific information about May's climate in Coney Island, you can visit Coney Island weather in May.

When comparing the weather in September and June, we find some interesting similarities and slight variations. Both months share an average temperature of 21°C (70°F) and experience the same maximum temperature of 31°C (88°F). However, September tends to be slightly warmer at night, with a minimum temperature of 11°C (52°F), compared to June's 10°C (51°F). In terms of precipitation, September sees a bit more, with 97 mm (3.8 in) over 10 days, while June has 90 mm (3.5 in) but extends over 12 days, indicating a slightly wetter month despite the overall precipitation being lower. Humidity levels are quite similar as well, with September at 68% and June at 69%. For those interested in specific conditions, you can explore more about Coney Island weather in June.

When comparing the weather in September to July, we see a notable shift in temperatures and precipitation patterns. September features a milder climate with minimum temperatures around 11°C (52°F) and a comfortable average of 21°C (70°F), while July is significantly warmer with minimums at 18°C (64°F) and an average of 25°C (77°F). The maximum temperatures also reflect this contrast, peaking at 31°C (88°F) in September compared to July's higher maximum of 34°C (93°F). In terms of precipitation, July tends to be wetter with 133 mm (5.2 in) over 13 days, whereas September receives 97 mm (3.8 in) over 10 days. Additionally, humidity levels in September are slightly higher at 68% compared to July's 62%. For more detailed insights on this topic, check out the Coney Island weather in July.

In comparing September and August, September offers cooler temperatures, with a minimum of 11°C (52°F) and an average of 21°C (70°F), while August starts warmer with a minimum of 17°C (63°F) and an average of 24°C (76°F). Although both months experience humidity, September records slightly higher levels at 68% compared to August's 65%. Precipitation is more frequent in August, occurring over 13 days with a total of 119 mm (4.7 in), whereas September sees rain over 10 days with a total of 97 mm (3.8 in). For more detailed weather insights, you can check out Coney Island weather in August.

September and October present a noticeable shift in weather patterns. In September, temperatures range from a mild 11°C (52°F) at night to a warm average of 21°C (70°F) during the day, with highs reaching up to 31°C (88°F). This month sees relatively moderate precipitation at 97 mm (3.8 in) over about 10 days and maintains a humidity level of 68%.

In contrast, October experiences cooler temperatures, with a minimum of 5°C (41°F) and an average of 16°C (62°F), while still capping at highs of 31°C (88°F). However, it is wetter with 142 mm (5.6 in) of rainfall spread across 12 days and slightly higher humidity at 74%. For more detailed insights on what to expect, check out Coney Island weather in October.

In September, temperatures typically range from a mild 11°C (52°F) to a warm 31°C (88°F), with an average of 21°C (70°F), making it one of the warmer months of the year. Despite some rainfall, totaling 97 mm (3.8 in) over about 10 days, humidity is generally more comfortable at 68%. In contrast, November brings a significant drop in temperature, with lows averaging -7°C (19°F) and a cooler average of 9°C (48°F), while the highs reach up to 22°C (72°F). Precipitation slightly decreases to 93 mm (3.7 in) over 9 days, but humidity increases to 82%, adding to the crispness of the air. For more detailed insights into November's weather, check out Coney Island weather in November.

September typically offers a warm and pleasant climate, with average temperatures reaching around 21°C (70°F) and highs peaking at 31°C (88°F). The month experiences relatively lower humidity at 68% and around 97 mm (3.8 in) of precipitation over approximately 10 days. In contrast, December sees a significant drop in temperatures, with average highs of only 4°C (40°F) and lows plunging to -10°C (15°F). The humidity increases to 80%, and although precipitation rises to 122 mm (4.8 in) over the same 10-day span, the nature of precipitation may vary with the likelihood of snow. For more specific information about December weather in Coney Island, you can check Coney Island weather in December.

Compare Coney Island's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Coney Island

September in Coney Island offers a delightful transition from the hot summer months, with milder temperatures that encourage outdoor fun without the sweltering heat. The average warmth combines comfortably with slightly increased humidity, creating a refreshing atmosphere ideal for beach strolls and boardwalk activities. While it does see a moderate amount of rainfall spread over about 10 days, these showers often bring much-needed relief and do little to deter the vibrant beach culture. Compared to the peak summer heat, September serves as a perfect time to savor the lingering summer vibes before the cooler autumn sets in. For a deeper dive into the year-round weather patterns, check out Coney Island Climate.