Ocean City, MD weather in September
Expect mild, often humid weather with frequent rain in Ocean City in September, with highs near 77°F and lows near 61°F. Rain falls on about 10 days. Good for outdoor plans.
- Normal high
- 77°F
- Normal low
- 61°F
- Wet days
- 10
- 3.9 in total
- Muggy days
- 14
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 81°F | 73°F |
| Normal low | 65°F | 56°F |
| Chance of a wet day | 34% | 34% |
| Sunrise / sunset | 6:29 am / 7:30 pm | 6:55 am / 6:45 pm |
| Daylight | 13.0 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am63°Fdew point 60°F
- 9 am71°Fdew point 62°F
- Noon75°Fdew point 61°F
- 3 pm76°Fdew point 60°F
- 6 pm71°Fdew point 61°F
- 9 pm67°Fdew point 61°F
NOAA hourly normals (local standard time) from Dover AFB (59 mi away); average wind 8 mph; clear or few clouds in 49% of daytime hours, mostly cloudy or overcast in 38%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F9 of 30
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph7 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more14 of 30
- Wet daysat least 0.01 in of rain or melted snow10 of 30
- Notable rainat least 0.10 in5 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.9 in; a dry September brings about 2.4 in and a wet one about 4.6 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202005: average high 81°F
- Coolest September2001: average high 74°F
- Wettest September2016: 9.7 in
- Driest September2005: 0.3 in
- Highest reading93°F (September 6, 2014)
- Lowest reading43°F (September 30, 2006)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 83°F | 77°F | 68°F |
| Normal low | 67°F | 61°F | 49°F |
| Wet days | 12 | 10 | 10 |
| Comfortable days | 2 | 9 | 14 |
| Daylight | 13.6 h | 12.4 h | 11.2 h |
Highs change by -6°F from August and -9°F into October.
Nearby alternatives in September
- Drier: Nags Head, NC167 mi · high 79°F · 7 wet days
How Ocean City ranks in September
- Normal high242nd warmest of 378 cities; 2nd of 3 in Maryland
- Wet days312th driest of 378
- Comfortable days173rd most of 342
What to pack for Ocean City in September
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
September has 30 heating degree days and 153 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Ocean City in September?
The normal high is 77°F and the normal low is 61°F. From 1991 to 2020 the hottest September reading was 93°F (most recently on September 6, 2014).
Does it rain a lot in Ocean City in September?
About 10 days in September have at least 0.01 in of precipitation, and the normal total is 3.9 in. The wettest September in 1991-2020 was in 2016 (9.7 in); the driest was in 2005 (0.3 in).
Is September a good time to visit Ocean City?
September ranks 4th of 12 months on our comfort score for Ocean City (61 out of 100). It has about 9 comfortable days and about 1 day at 90°F or hotter. The best months are May and October.
Where the numbers come from
- Temperature, rain and frost dates: Ocean City Muni Airport (USW00093786), 2.9 mi SW of the city center, 12 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Snow Hill 4 N (USC00188380), 17 mi WSW of the city center, 30 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Dover AFB (USW00013707), 59 mi NNW of the city center, 23 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Wallops Flight Facility Airport (724020-93739), 35 mi SW of the city center, 32 ft . Hourly observations, 1991-2020.