Ocean City weather in September: Ocean City, Maryland: normal highs, lows, rain and records for September
Ocean City in September has a normal high of 77°F and a normal low of 61°F, a daily mean of 69°F, falling from 81°F on the 1st to 73°F by the 30th. Measurable precipitation falls on 10 days in a normal September, 3.93 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 16°C, 100 mm of precipitation in September.
- NOAA stationOcean City Municipal Airport
- Station IDUSW00093786
- Location38.31°N 75.12°W
- Elevation12 ft (4 m)
- Population6,884
- Jan 45° 28°
- Feb 47° 29°
- Mar 52° 35°
- Apr 62° 44°
- May 70° 53°
- Jun 79° 63°
- Jul 84° 68°
- Aug 83° 67°
- Sep 77° 61°
- Oct 68° 49°
- Nov 58° 39°
- Dec 50° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Ocean City in September?
The normal high is 77°F and the normal low 61°F, for a daily mean of 69.1°F. September is 5.7°F cooler than August and 10.7°F warmer than October. September is the 4th warmest month of the year in Ocean City and the 2nd wettest. Across the month the normal high falls 8°F, from 81°F on September 1 to 73°F on September 30. From one year to the next September's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 67°F and 72°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 81°F | 65°F | 35% | 16% |
| September 8 | 79°F | 64°F | 34% | 15% |
| September 15 | 77°F | 62°F | 33% | 15% |
| September 22 | 75°F | 59°F | 34% | 15% |
| September 30 | 73°F | 56°F | 35% | 16% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 81°F | 65°F | 35% | 16% | 13 h |
| September 2 | 81°F | 65°F | 35% | 16% | 13 h |
| September 3 | 80°F | 65°F | 35% | 16% | 13 h |
| September 4 | 80°F | 65°F | 34% | 16% | 13 h |
| September 5 | 80°F | 64°F | 34% | 16% | 12 h 50 min |
| September 6 | 80°F | 64°F | 34% | 15% | 12 h 50 min |
| September 7 | 80°F | 64°F | 34% | 15% | 12 h 50 min |
| September 8 | 79°F | 64°F | 34% | 15% | 12 h 50 min |
| September 9 | 79°F | 63°F | 34% | 15% | 12 h 40 min |
| September 10 | 79°F | 63°F | 34% | 15% | 12 h 40 min |
| September 11 | 79°F | 63°F | 34% | 15% | 12 h 40 min |
| September 12 | 78°F | 63°F | 33% | 15% | 12 h 40 min |
| September 13 | 78°F | 62°F | 33% | 15% | 12 h 30 min |
| September 14 | 78°F | 62°F | 33% | 15% | 12 h 30 min |
| September 15 | 77°F | 62°F | 33% | 15% | 12 h 30 min |
| September 16 | 77°F | 61°F | 33% | 15% | 12 h 30 min |
| September 17 | 77°F | 61°F | 33% | 15% | 12 h 20 min |
| September 18 | 77°F | 61°F | 33% | 15% | 12 h 20 min |
| September 19 | 76°F | 60°F | 34% | 15% | 12 h 20 min |
| September 20 | 76°F | 60°F | 34% | 15% | 12 h 20 min |
| September 21 | 76°F | 60°F | 34% | 15% | 12 h 10 min |
| September 22 | 75°F | 59°F | 34% | 15% | 12 h 10 min |
| September 23 | 75°F | 59°F | 34% | 15% | 12 h 10 min |
| September 24 | 75°F | 58°F | 34% | 15% | 12 h 10 min |
| September 25 | 74°F | 58°F | 34% | 15% | 12 h 10 min |
| September 26 | 74°F | 58°F | 34% | 15% | 12 h |
| September 27 | 74°F | 57°F | 34% | 15% | 12 h |
| September 28 | 73°F | 57°F | 35% | 15% | 12 h |
| September 29 | 73°F | 56°F | 35% | 15% | 12 h |
| September 30 | 73°F | 56°F | 35% | 16% | 11 h 50 min |
- Normal high
- 77°FSeptember average
- Normal low
- 61°FSeptember average
- Precipitation
- 3.93 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 10
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093786; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Ocean City in September?
On a given September day the chance of 0.01 inch or more is 34% on average, highest around September 1 (35%). In all, 3.93 in falls on 10 days of a normal September, 1 of them with an inch or more.
In a normal September in Ocean City, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093786.
What are the records for September in Ocean City?
The September mean against the 1991-2020 normal of 69.1°F: 2022 68.7°F (−0.4), 2023 72.0°F (+2.9), 2025 69.0°F (−0.1), 2026 70.7°F (+1.6). 2 of 4 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2022 | 68.7°F | −0.4°F | 1.95 in |
| 2023 | 72.0°F | +2.9°F | 3.58 in |
| 2025 | 69.0°F | −0.1°F | – |
| 2026 | 70.7°F | +1.6°F | 4.78 in |
Source: recent months: ACIS, station USW00093786. Records and recent months use complete months only.
How does September in Ocean City compare across Maryland?
Across the 26 places PlainClimate covers in Maryland, September normal highs run from 72°F in Frostburg to 82°F in Snow Hill; Ocean City's is 77°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Ocean City in August83°F by day, 67°F at night
- Ocean City in October68°F by day, 49°F at night
- Ocean City through the yearEvery month, frost dates, records and recent years
- Maryland in SeptemberThe statewide normal and the warmest and coolest places
- Snow Hill: Maryland's warmest Septembernormal high 82°F