World Resorts USA Ocean City Weather

Ocean City weather in September

Weather in Ocean City: September

Average day temperature: 73.6°F
Average night temperature: 66.6°F
Sea water temperature: 72.8°F
Number of sunny days: 15 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 78°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during September were 72.7°F and 66.8°F.

Sea water temperature in Ocean City in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 71.7°F. The highest and lowest sea temperatures during the month were 73.6°F and 69.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Ocean City in September is 1.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 10.0 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.7.

Best time for vacation in Ocean City

Sunniest months:
November 18 days
September 15 days
October 15 days
Warmest months:
July 80.9 °F
August 78.8 °F
June 74.8 °F
Warmest sea temp:
July 75.8 °F
August 75.0 °F
September 72.8 °F
Coldest months:
January 40.2 °F
February 42.4 °F
December 45.1 °F
Rainiest months:
July 3 days
August 3 days
April 3 days
Windiest months:
March 11.7 mph
January 11.6 mph
April 11.3 mph

Ocean City on a weather map

Ocean City
+32°F
S 14 mph
Feels like: +21°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Ocean City
Local time: 00:32
December 05, friday
0300
30°F
S
11 mph
0600
30°F
SW
7 mph
0900
28°F
SW
6 mph
1200
32°F
W
6 mph
1500
36°F
W
6 mph
1800
37°F
SW
4 mph
2100
37°F
SW
4 mph
December 06, saturday
0000
37°F
S
6 mph
Units of measurement: °C / °F