September weather forecast
Barnegat Bay, NJ

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Weather in September

September, the first month of the autumn in Barnegat Bay, is also a moderately hot month, with an average temperature ranging between max 73.6°F (23.1°C) and min 65.3°F (18.5°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 79.9°F (26.6°C) in August to a still warm 73.6°F (23.1°C). Throughout September, Barnegat Bay's nights experience a slight temperature dip to a comfortable 65.3°F (18.5°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, in Barnegat Bay, the rain falls for 11.7 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Barnegat Bay, there are 138.1 rainfall days, and 17.4" (442mm) of precipitation is accumulated.

Snowfall

In Barnegat Bay, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:25 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 9.3h.

UV index

In Barnegat Bay, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What are September temperatures in Barnegat Bay?

September temperatures in Barnegat Bay vary between a high-temperature of 73.6°F (23.1°C) and a low-temperature of 65.3°F (18.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 86°F (30°C).

What is the average humidity in September in Barnegat Bay?

In Barnegat Bay, the average relative humidity in September is 77%.

How many days does it rain in September in Barnegat Bay?

In September, in Barnegat Bay, New Jersey, the rain falls for 11.7 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When it does not snow in Barnegat Bay?

April through October are months without snowfall in Barnegat Bay.

What is the average length of the day in September in Barnegat Bay?

In September, the average day length in Barnegat Bay is 12h and 26min.

When are sunrise and sunset in September in Barnegat Bay?

In September, on the first day of the month, sunrise is at 6:25 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 long on average sun shines in September in Barnegat Bay?

In Barnegat Bay, the average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Barnegat Bay?

In Barnegat Bay, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Barnegat Bay, NJ

Average temperature in September - Barnegat Bay, NJ
  • Average high temperature in September: 73.6°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (30°F).

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Average pressure in September
Barnegat Bay, NJ

Average pressure in September - Barnegat Bay, 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).

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Average wind speed in September
Barnegat Bay, NJ

Average wind speed in September - Barnegat Bay, NJ
  • Average wind speed in September: 9.4mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in September
Barnegat Bay, NJ

Average humidity in September - Barnegat Bay, NJ
  • Average humidity in September: 77%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).

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Average rainfall in September
Barnegat Bay, NJ

Average rainfall in September - Barnegat Bay, NJ
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is January (0.98").

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Average rainfall days in September
Barnegat Bay, NJ

Average rainfall days in September - Barnegat Bay, NJ
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in September
Barnegat Bay, NJ

Average snowfall in September - Barnegat Bay, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Barnegat Bay, NJ

Average snowfall days in September - Barnegat Bay, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Barnegat Bay, NJ

Average daylight in September / Average sunshine in September - Barnegat Bay, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in September
Barnegat Bay, NJ

Average sunshine days in September - Barnegat Bay, NJ
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in September
Barnegat Bay, NJ

Average UV index in September - Barnegat Bay, 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, November and December (UV index 2).

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Average cloud cover in September
Barnegat Bay, NJ

Average cloud cover in September - Barnegat Bay, NJ
  • Average cloud cover in September: 31

The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).

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Average visibility in September
Barnegat Bay, NJ

Average visibility in September - Barnegat Bay, 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).

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Barnegat Bay, New Jersey, USA

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