September weather forecastOcean City, NJ
September
Weather in September
The mercury starts dipping in September, signaling the arrival of the fall season. Ocean City, New Jersey redefines beauty as the lively summer morphs into a peaceful yet vibrant autumn. The fall season ushers in milder temperatures but still warm enough for outdoor activities. Scenic spottings of migratory birds become a common sight, while the beach remains popular among toasty sun-seekers. The moderate weather also encourages many to participate in community-based fall activities.Temperature
September's advent in Ocean City notes a subtle adjustment in average high-temperature to a still warm 74.3°F (23.5°C) from August. In September, a low-temperature average of 66.2°F (19°C) is characteristic of Ocean City, marking a minor shift from daytime temperatures.Humidity
In September, the average relative humidity in Ocean City is 77%.Rainfall
September is the month with the least rainfall in Ocean City. Rain falls for 8.5 days and accumulates 0.35" (9mm) of precipitation.Snowfall
In Ocean City, snow does not fall in April, June through November.Ocean temperature
In Ocean City, the average seawater temperature in September is 72.1°F (22.3°C).Note: For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 72.1°F (22.3°C).
Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:42 pm EDT.
Sunshine
In Ocean City, New Jersey, the average sunshine in September is 9.5h.UV index
In Ocean City, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ocean City, NJ
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in September: 66.2°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in September
Ocean City, NJ
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Ocean City, NJ
- Average wind speed in September: 9.9mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Ocean City, NJ
- Average humidity in September: 77%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Ocean City, NJ
- Average rainfall in September: 0.35"
The wettest months (with the highest rainfall) are May and August (0.79").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Ocean City, NJ
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in September
Ocean City, NJ
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in September
Ocean City, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in September
Ocean City, NJ
- Average sea temperature in September: 72.1°F
The best month for swimming (with the highest average sea temperature) is August (76.5°F).
The coldest month (with the lowest average sea temperature) is February (40.3°F).
Average daylight in September /
Average sunshine in September
Ocean City, NJ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Ocean City, NJ
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in September
Ocean City, NJ
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Ocean City, NJ
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Ocean City, NJ
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
