Monthly climate guide
Ocean City weather in September
September in Ocean City is typically warm, with average daytime highs around 24°C (75°F) and night-time lows near 18°C (65°F). The month usually brings about 93 mm of rain (wet) and is a mix of sun and cloud. Daytime highs are 3°C cooler than August and 5°C warmer than October.
What stands out in September
- Temperatures are falling — expect highs around 5°C lower by October.
- In Ocean City, September is early autumn.
- September is Ocean City's third warmest month.
- Ocean City is usually about 2°C cooler than Philadelphia, 90 km away, in September.
Avg high
24°C
75°F
Avg low
18°C
65°F
Rainfall
93 mm
wet
Humidity
80%
relative
Sky
54%
cloud · a mix of sun and cloud
Ocean City weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 5°C / 40°F | -1°C / 29°F | 85 mm | 81% | 62% |
| February | 6°C / 43°F | -1°C / 31°F | 93 mm | 81% | 64% |
| March | 9°C / 47°F | 2°C / 35°F | 106 mm | 80% | 58% |
| April | 14°C / 57°F | 7°C / 44°F | 90 mm | 80% | 59% |
| May | 19°C / 66°F | 13°C / 55°F | 101 mm | 84% | 62% |
| June | 24°C / 75°F | 18°C / 64°F | 109 mm | 82% | 56% |
| July | 27°C / 81°F | 22°C / 71°F | 134 mm | 82% | 53% |
| August | 26°C / 80°F | 21°C / 70°F | 126 mm | 80% | 51% |
| September | 24°C / 75°F | 18°C / 65°F | 93 mm | 80% | 54% |
| October | 19°C / 66°F | 13°C / 55°F | 114 mm | 79% | 55% |
| November | 13°C / 55°F | 6°C / 43°F | 101 mm | 78% | 55% |
| December | 9°C / 47°F | 3°C / 37°F | 124 mm | 82% | 66% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Ocean City?
Compare the months in the chart above to find your ideal window.
Best time to visit Ocean City →Other United States cities in September
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Ocean City weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/ocean-city/september
<a href="https://weathercompare.eu/weather/usa/ocean-city/september">Ocean City weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/ocean-city" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Ocean City weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/ocean-city/september">Ocean City weather in September</a> – WeatherCompare</p>
Ocean City in September: quick answers
Is September a good time to visit Ocean City?
Yes. September is one of the best months for Ocean City, with highs around 24°C and about 93 mm of rain.
How warm is Ocean City in September?
Average highs are about 24°C (75°F) and average lows about 18°C (65°F), based on 10 years of daily data.
Does it rain a lot in Ocean City in September?
Ocean City typically gets around 93 mm of rain in September — wet.
Figures are long-term averages for the area around Ocean City (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.