September weather forecast and climate
Dover Beaches North, NJ

The first month of the autumn, September, is still a pleasant month in Dover Beaches North, New Jersey, with average temperature fluctuating between 66°F (18.9°C) and 72.5°F (22.5°C).

Temperature

In Dover Beaches North, New Jersey, the average high-temperature slightly decreases, from a warm 78.4°F (25.8°C) in August, to a pleasant 72.5°F (22.5°C). The average low-temperature, in September, is 66°F (18.9°C).

Humidity

In September, the average relative humidity in Dover Beaches North, New Jersey, is 77%.

Rainfall

In Dover Beaches North, during September, the rain falls for 12.5 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Dover Beaches North, New Jersey, there are 155 rainfall days, and 33.23" (844mm) of precipitation is accumulated.

Snowfall

In Dover Beaches North snow does not fall in May through October.

Ocean temperature

In September, the average ocean temperature is 71.2°F (21.8°C).
Note: Swimming in 71.2°F (21.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

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

Sunshine

In September, the average sunshine is 9h.

UV index

The average daily maximum UV index in Dover Beaches North is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Dover Beaches North?

In Dover Beaches North, in September, the average high-temperature is 72.5°F (22.5°C), and the average low-temperature is 66°F (18.9°C).

What is the average humidity in September in Dover Beaches North?

The average relative humidity in September is 77%.

How many days does it rain in September in Dover Beaches North?

In Dover Beaches North, in September, during 12.5 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Dover Beaches North?

May through October are months without snowfall in Dover Beaches North, New Jersey.

What is the ocean temperature in September in Dover Beaches North?

In Dover Beaches North, New Jersey, the average seawater temperature in September is 71.2°F (21.8°C). Swimming in 71.2°F (21.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in September in Dover Beaches North?

In September, the average length of the day in Dover Beaches North is 12.4h.

How many hours of sunshine does Dover Beaches North have in September?

In Dover Beaches North, New Jersey, the average sunshine in September is 9h.

What is the UV index reading in September in Dover Beaches North?

In Dover Beaches North, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Dover Beaches North, NJ
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (3.9°C).

  • Average low temperature in September: 18.9°C

The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (-1°C).

Average pressure in September - Dover Beaches North, NJ
  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is November (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in September - Dover Beaches North, NJ
  • Average wind speed in September: 16.5km/h

The windiest month (with the highest average wind speed) is January (21.8km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).

Average humidity in September - Dover Beaches North, NJ
  • Average humidity in September: 77%

Months with the highest relative humidity are May and June (81%).
Months with the lowest relative humidity are January and November (74%).

Average rainfall in September - Dover Beaches North, NJ
  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is December (94mm).
The driest month (with the least rainfall) is January (51mm).

Average rainfall days in September - Dover Beaches North, NJ
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9 days).

Average snowfall in September - Dover Beaches North, NJ
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (34mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September - Dover Beaches North, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in September - Dover Beaches North, NJ
  • Average sea temperature in September: 21.8°C

The best month for swimming (with the highest average sea temperature) is August (24.3°C).
The coldest month (with the lowest average sea temperature) is February (4.9°C).

Average daylight in September / Average sunshine in September - Dover Beaches North, NJ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in September - Dover Beaches North, NJ
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in September - Dover Beaches North, NJ
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in September - Dover Beaches North, NJ
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in September - Dover Beaches North, NJ
  • Average visibility in September: 10km

Months with the highest visibility are April, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March, May and December (9km).