September weather forecast
Deal, NJ

Share

Weather in September

The first month of the autumn, September, is also an agreeable month in Deal, New Jersey, with an average temperature fluctuating between 73.2°F (22.9°C) and 65.1°F (18.4°C).

Temperature

A subtle shift in Deal's weather is observed as August turns into September, with the average high temperature reducing from a warm 79.3°F (26.3°C) to a pleasant 73.2°F (22.9°C). Throughout September, a modest shift from daytime highs is anticipated in Deal, with an average low-temperature of 65.1°F (18.4°C).

Humidity

In Deal, New Jersey, the average relative humidity in September is 76%.

Rainfall

In Deal, in September, during 11 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 122.1 rainfall days, and 11.14" (283mm) of precipitation is accumulated.

Snowfall

In Deal, New Jersey, snow does not fall in April through September and November.

Daylight

In September, the average length of the day in Deal is 12h and 27min.
On the first day of September in Deal, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

Sunshine

The average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 5 suggests this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Deal?

The average high-temperature, in September, in Deal, is 73.2°F (22.9°C), while the average low-temperature is 65.1°F (18.4°C).

What is the average humidity in September in Deal?

In Deal, the average relative humidity in September is 76%.

How many days does it rain in September in Deal?

In Deal, New Jersey, in September, during 11 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

When it does not snow in Deal?

In Deal, snow does not fall in April through September and November.

Does it snow in Deal in September?

In Deal, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Deal have in September?

In Deal, New Jersey, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in Deal?

On the first day of September in Deal, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

How many hours of sunshine does Deal have in September?

In September, the average sunshine duration is 9.1h.

What is the UV index intensity in September in Deal?

The average daily maximum UV index in September in Deal is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Deal, NJ

Average temperature in September - Deal, NJ
  • Average high temperature in September: 73.2°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).

Average pressure in September
Deal, NJ

Average pressure in September - Deal, NJ
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Deal, NJ

Average wind speed in September - Deal, NJ
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in September
Deal, NJ

Average humidity in September - Deal, NJ
  • Average humidity in September: 76%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).

Average rainfall in September
Deal, NJ

Average rainfall in September - Deal, NJ
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in September
Deal, NJ

Average rainfall days in September - Deal, NJ
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in September
Deal, NJ

Average snowfall in September - Deal, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").

Average snowfall days in September
Deal, NJ

Average snowfall days in September - Deal, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Deal, NJ

Average daylight in September / Average sunshine in September - Deal, NJ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Deal, NJ

Average sunshine days in September - Deal, NJ
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in September
Deal, NJ

Average UV index in September - Deal, NJ
  • Average UV index in September: 5

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

Average cloud cover in September
Deal, NJ

Average cloud cover in September - Deal, NJ
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September
Deal, NJ

Average visibility in September - Deal, 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).

Deal, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location