September weather forecast and climate
Ocean City, NJ

The first month of the autumn, September, is also a moderately hot month in Ocean City, New Jersey, with average temperature fluctuating between 66.2°F (19°C) and 74.3°F (23.5°C).

Temperature

In Ocean City, the average high-temperature in September is essentially the same as in August - a still warm 74.3°F (23.5°C). In September, the average low-temperature is 66.2°F (19°C).

Humidity

In Ocean City, the average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. 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 water temperature 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 in Ocean City is 12.4h.

Sunshine

In Ocean City, the average sunshine is 9.5h.

UV index

In Ocean City, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Ocean City?

The average high-temperature, in September, in Ocean City, New Jersey, is 74.3°F (23.5°C), while the average low-temperature is 66.2°F (19°C).

What is the average humidity in September in Ocean City?

In September, the average relative humidity in Ocean City, New Jersey, is 77%.

How much does it rain in Ocean City in September?

In Ocean City, New Jersey, in September, it is raining for 8.5 days, with typically 0.35" (9mm) of accumulated precipitation.

What is the driest month in Ocean City?

The month with the least rainfall is September when the rain falls for 8.5 days and typically collects 0.35" (9mm) of precipitation.

When it does not snow in Ocean City?

In Ocean City snow does not fall in April, June through November.

What is the water temperature in September in Ocean City?

In Ocean City, the average seawater temperature in September is 72.1°F (22.3°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 72.1°F (22.3°C) water.

How many hours of daylight does Ocean City have in September?

The average length of the day in September is 12.4h.

How long on average sun shines in September in Ocean City?

In Ocean City, the average sunshine in September is 9.5h.

What is the UV index reading in September in Ocean City?

In September, the average daily maximum UV index in Ocean City is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
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

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"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.94").

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"

Months with the highest snowfall are January and February (0.2").
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).
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: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 9.5h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 5h).

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

Months with the highest UV index are May, June, July and August (UV index 6).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).