September Weather in Ocean City, United States

Last updated: February 24, 2025

In September, Ocean City experiences a warm climate characterized by maximum temperatures reaching 35°C (95°F) and an average of 26°C (80°F), providing ideal conditions for beachgoers. However, the month also sees a notable minimum temperature of 16°C (60°F), perfect for cooler evenings. With 147 mm (5.8 in) of rainfall distributed over approximately 15 days, visitors should be prepared for occasional showers amidst the humidity level averaging 79%. This blend of warmth and moisture creates a vibrant coastal atmosphere, making September a unique time to explore all that Ocean City has to offer.

September Temperature in Ocean City

As summer fades, September in Ocean City brings a delightful shift in temperatures, making it a perfect month for beach lovers and outdoor enthusiasts. The average temperature hovers around 26°C (80°F), providing a warm yet comfortable atmosphere ideal for leisurely strolls along the shore. The minimum temperature of 16°C (60°F) marks the transition from the sweltering summer months, while the maximum can still reach a balmy 35°C (95°F), reminiscent of summer's peak. This blend of warmth and seasonal change invites visitors to enjoy the crisp beginnings of autumn, making September not only pleasant but also a vibrant time to experience all that Ocean City has to offer.

September Weather in Ocean City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ocean City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545964687581828280746157
Data source: Temperature data for Ocean City 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 Ocean City

As summer transitions to fall, September in Ocean City brings a notable shift in precipitation patterns. The month records 147 mm (5.8 in) of rainfall over 15 days, making it one of the wetter months of the year. This amount is slightly lower than the previous summer months of July and August, which experienced significant rain with 165 mm and 177 mm, respectively. However, September's rainfall signals the onset of autumn, characterized by brisker breezes and the potential for more unpredictable weather. The 15 days of precipitation hint at a mix of sunny stretches and occasional showers, making it a unique time for visitors who can enjoy the beach while also being prepared for a rain-soaked afternoon. As the year winds down, September stands as a reminder of the vibrant transition between the lushness of summer and the coziness of fall.

September Precipitation Trends in Ocean City

The chart displays monthly precipitation patterns in Ocean City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90112621299619016517714711840123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ocean City

As September rolls in, Ocean City experiences a moderate shift in humidity, averaging around 79%. This is a slight increase from the summer months of July and August, both at 78%. Notably, this period marks a transition as the warm, humid days of summer begin to yield to the crispness of fall. Interestingly, the year starts with higher humidity levels peaking in December at 86%, suggesting a seasonal pattern where humidity tends to rise again in the winter months. Overall, September strikes a balance, offering a comfortable yet humid atmosphere that invites both locals and visitors to enjoy the beaches before the cooler weather sets in.

September Average Humidity in Ocean City

This chart illustrates the average monthly humidity levels in Ocean City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ocean City

As September rolls into Ocean City, the UV Index levels remain notably high, reflecting the lingering summer sun. With a UV Index of 10, categorized as very high, beachgoers should be aware of a burn time of just 15 minutes—a significant shift from the extreme levels of the previous months. While fall ushers in cooler temperatures, the sun's intensity still demands vigilance to prevent overexposure. This trend of elevated UV levels in late summer and early fall underscores the importance of sun protection even as the season transitions. For detailed information and safety tips, check out Ocean City UV Index.

Maximum UV Index Levels in Ocean City for September

The chart shows the monthly maximum UV Index (UVI) for Ocean City 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Ocean City 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 Ocean City

As summer fades into fall, September in Ocean City continues to delight with nearly 287 hours of sunshine, marking a vibrant transition from the sun-drenched days of July and August. While September experiences slightly less sunlight than its peak summer months, it outshines the earlier parts of the year, such as January and February, which only capture 187 and 219 hours respectively. This trend reflects the gradual cooling of temperatures while still offering ample opportunities for beachgoers to soak up the lingering warmth. With October regaining a similar spotlight of 292 hours, September serves as a gentle reminder of summer's embrace, ensuring that the sunny days linger just a little longer before the chill of winter sets in.

Monthly Sunshine Duration in Ocean City: September Highlighted

The September sunshine duration represents the total number of hours Ocean City 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.
JanFebMarAprMayJunJulAugSepOctNovDec187h219h292h297h333h296h329h311h287h292h259h225h
Data source: Ocean City September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ocean City During September

In Ocean City, United States, the likelihood of sunny weather in September averages around 40%, positioning it as a transitional month after the summer peak. This percentage is a slight improvement over the duller summer months of July and June, which see significantly lower chances of sunshine at 23% and 26%, respectively. However, it still falls short compared to the more promising conditions of spring, where April boasts a 49% chance of clear skies. As the year progresses into October, the likelihood of sunny days rises again to 46%, suggesting that while September may not be the sunniest month, it can still offer a pleasant reprieve before the brisk autumn sets in.

Percentage of Sunny Days in September in Ocean City

The chart illustrates the percentage of sunny days in Ocean City 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 Ocean City experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec44%39%38%50%46%26%23%31%40%46%68%46%
Data source: Ocean City September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ocean City in September

As summer transitions into fall, September in Ocean City, United States, offers a delightful blend of lingering warmth and gradual change, with daylight reaching about 12 hours. This month marks a notable shift from the peak summer days of 14 hours in June, as sunlight begins to wane. Following a vibrant summer, the daylight duration remains relatively stable in September, mirroring the long days of April and May, but hints at the shorter days that await in October. The gradual decrease in sunlight reflects the natural rhythm of the seasons, inviting both locals and visitors to enjoy the picturesque beaches and charm of Ocean City before the days shorten further. As the sun dips lower, the cozy evenings begin to beckon, making September a perfect time to savor the last golden rays of summer.

Average Daylight Hours in Ocean City for September

The chart illustrates the variation in daylight duration in Ocean City throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m12h12h 55m13h 41m14h 3m13h 51m13h 10m12h 18m11h 23m10h 35m10h 12m
Data source: Ocean City daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Ocean City

In Ocean City, United States, the winds dance through the resort town, revealing a telling shift as the seasons change. As summer fades, September brings a gentle breeze with an average wind speed of 2.4 m/s (5 mph), marking a notable decline from the more robust summer winds. This subtle shift patterns the transition towards autumn, contrasting sharply with the lively gusts of March and April when winds peak at around 3.4 m/s (8 mph). The overall trend showcases a gradual decline in wind speeds from the lively spring months, through the calmer summer, and into the revitalizing currents of October and beyond. Such fluctuations not only signpost the coming seasonal changes but also enhance the coastal charm that Ocean City is celebrated for.

Average September Wind Speed in Ocean City

The chart displays monthly wind speed patterns in Ocean City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.83.83.43.43.12.32.72.4 m/s3.03.13.4
Data source: Ocean City September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Ocean City Compares to Other Months

The weather in Ocean 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 Ocean City and find detailed weather information for every month.

September weather is characterized by warm temperatures, with an average of 26°C (80°F) and highs reaching up to 35°C (95°F), making it a typical late-summer month. In contrast, January is much cooler, with an average temperature of just 12°C (54°F) and lows that can drop to -5°C (23°F). While September experiences more rainfall, totaling 147 mm (5.8 in) over 15 days, January sees less precipitation at 89 mm (3.5 in) across only 8 days. Interestingly, January's humidity level is slightly higher at 83%, compared to September's 79%. For more details on January weather, visit Ocean City weather in January.

September and February present stark contrasts in weather. In September, temperatures range from a comfortable 16°C (60°F) at night to a scorching 35°C (95°F) during the day, with an average of 26°C (80°F). The month is characterized by significant precipitation, totaling 147 mm (5.8 in) over 15 days, resulting in a high humidity level of 79%. In contrast, February experiences much cooler temperatures, with night lows dropping to -2°C (29°F) and daytime highs reaching 25°C (77°F), averaging 15°C (60°F). This month also sees less rainfall, with 112 mm (4.4 in) spread across 10 days, and humidity rises slightly to 82%. For a detailed overview of February weather, you can check Ocean City weather in February.

In comparing the weather between September and March, there is a notable difference in temperature and precipitation. September tends to be much warmer, with average temperatures reaching 26°C (80°F), peaking at highs of 35°C (95°F). In contrast, March experiences milder temperatures, with an average of 18°C (64°F) and maximums around 28°C (83°F). Additionally, September sees significantly more rainfall, accumulating 147 mm (5.8 in) over 15 days, while March has a much lower total of 62 mm (2.4 in) spread across only 8 days. Both months share a consistent humidity level of 79%, but the overall climate feels distinctly more humid and tropical in September. For more detailed weather comparisons, you can refer to Ocean City weather in March.

In comparing the weather patterns of September and April, a notable contrast emerges. September boasts warmer temperatures, with averages around 26°C (80°F) and maximums reaching up to 35°C (95°F), while April has milder temperatures averaging 20°C (68°F) and peaking at 29°C (85°F). Both months experience considerable precipitation, with September recording 147 mm (5.8 in) over 15 days and April slightly less at 129 mm (5.1 in) over 9 days. Humidity levels are relatively similar, with September at 79% and April slightly lower at 77%. For a more detailed look at April weather patterns, check out Ocean City weather in April.

In comparing the weather between September and May, September tends to be warmer, featuring an average temperature of 26°C (80°F) with a maximum of 35°C (95°F), while May averages slightly cooler at 24°C (76°F) with a high of 33°C (92°F). Additionally, September experiences more precipitation, with 147 mm (5.8 in) spread over 15 days, compared to May's 96 mm (3.8 in) on just 10 days. The humidity levels are also higher in September at 79%, contrasting with May's 74%. For a closer look at the weather specifics, you can visit Ocean City weather in May.

In comparing the weather between September and June, we observe some notable differences. September features a minimum temperature of 16°C (60°F) and an average of 26°C (80°F), slightly warmer than June’s minimum of 20°C (69°F) and average of 27°C (81°F). While both months experience warm temperatures, September records a higher maximum of 35°C (95°F) compared to June’s 34°C (94°F). Precipitation levels are also higher in June, with 190 mm (7.5 in) over 18 days, compared to September’s 147 mm (5.8 in) over 15 days. Additionally, September has higher humidity at 79% compared to June’s 70%, making it feel more muggy as summer transitions to fall. For a detailed look at weather trends, check this link: Ocean City weather in June.

September and July exhibit similar maximum temperatures, both reaching up to 35°C (95°F), but a notable difference lies in their minimum temperatures. September starts off cooler with a minimum of 16°C (60°F), while July's minimum is significantly higher at 23°C (74°F). The average temperatures are also slightly lower in September at 26°C (80°F) compared to July's 28°C (82°F). When it comes to precipitation, July sees more rain, with 165 mm (6.5 in) over 24 days versus September's 147 mm (5.8 in) spread across 15 days. Both months have similar humidity levels, with September at 79% and July at 78%. For more details on the weather specific to July, you can check Ocean City weather in July.

In comparing the weather between August and September, it is noticeable that September experiences slightly cooler temperatures, with average highs of 26°C (80°F) compared to August's 28°C (82°F). While the minimum temperature in September is 16°C (60°F), August maintains a warmer minimum of 23°C (73°F). Precipitation is also a key difference, with September receiving 147 mm (5.8 in) over 15 days, whereas August sees a higher total of 177 mm (7.0 in) across 23 days. Humidity remains relatively consistent, with September at 79% and August at 78%. Overall, September offers a transition into milder conditions while still holding onto some of the summer's warmth. For a detailed look at August conditions, visit Ocean City weather in August.

September typically experiences warmer temperatures, with a minimum of 16°C (60°F) and an average high of 35°C (95°F), while October sees a noticeable drop, with minimums dropping to 6°C (43°F) and an average high of 34°C (93°F). Despite the warmer average in September, it also tends to be wetter, receiving 147 mm (5.8 in) of rainfall over 15 days, compared to October's 118 mm (4.7 in) across just 10 days. Additionally, the humidity in September is higher at 79%, whereas October features a slightly drier atmosphere with humidity at 74%. For a detailed look at weather specifics in October, you can check out Ocean City weather in October.

September typically boasts warmer temperatures, with averages around 26°C (80°F) and highs reaching up to 35°C (95°F), making it a hot month, especially compared to November. In November, the climate transforms significantly, dropping to an average of 16°C (61°F) with maximum temperatures of 27°C (81°F), and even experiencing lows around 0°C (32°F). While September sees considerable rainfall with 147 mm (5.8 in) over about 15 days, November offers a much drier climate, receiving only 40 mm (1.6 in) of precipitation over 7 days. Humidity remains relatively high in both months, at 79% in September and slightly higher at 83% in November. For a detailed look at how November weather unfolds in Ocean City, check out Ocean City weather in November.

September and December present contrasting weather conditions. In September, temperatures range from a minimum of 16°C (60°F) to a maximum of 35°C (95°F), with an average of 26°C (80°F), making it significantly warmer than December. Additionally, September experiences higher precipitation, totaling 147 mm (5.8 in) over approximately 15 days, combined with a humidity level of 79%. In contrast, December sees milder temperatures, with a minimum of 1°C (33°F) and a maximum of 25°C (78°F), averaging 14°C (57°F). Precipitation in December is lower at 123 mm (4.9 in) over around 10 days, coupled with a slightly higher humidity of 86%. For a more detailed outlook on December weather, you can check Ocean City weather in December.

Compare Ocean City's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Ocean City

September in Ocean City brings a delightful shift in weather, where the sweltering peak of summer begins to mellow into more comfortable surroundings. The average temperature settles pleasantly, providing warm days perfect for beachgoers while cool evenings invite relaxation. However, with around 15 days of precipitation and high humidity, this month can be a bit of a mixed bag, making it distinct from the drier, more stable conditions of the typical summer months. As the summer tourists gradually fade, September offers a unique opportunity to enjoy the temperate climate in a quieter setting. For a deeper dive into what to expect throughout the year, visit Ocean City Climate.