Ocean City, Maryland weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: June – September
What is the weather like in Ocean City, Maryland in September?
In September, Ocean City, Maryland is warm: daytime highs average 25 °C, and nights cool down to about 19 °C. The sea averages 22.8 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 94 mm in total. All in all, September is a good month for a holiday in Ocean City, Maryland.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 85 | 76 | 34 |
| Day | 28° | 25° | 19° |
| Night | 22° | 19° | 14° |
| Sea | 24° | 23° | 19° |
| Sun | 8 h | 6 h | 6 h |
| Rain days | 12 | 9 | 8 |
More details for September
- Daylight
- 12 h 30 min06:41 – 19:11
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 14 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 54 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %92 %
- Seaweight 25 %83 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 20 %61 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Ocean City, Maryland in September: quick answers
Is Ocean City, Maryland hot in September?
Warm rather than hot: in September, daytime highs in Ocean City, Maryland average 25 °C and nights cool to about 19 °C.
Can you swim in Ocean City, Maryland in September?
Yes. In September the sea averages 22.8 °C – refreshing for a swim.
Does it rain much in Ocean City, Maryland in September?
Rain is frequent, with about 9 rainy days and 94 mm in total.
Ocean City, Maryland month by month
The whole year in Ocean City, MarylandAll destinations: USAWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences