September weather forecast
Peapack and Gladstone, NJ

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Weather in September

September, the first month of the autumn in Peapack and Gladstone, is still a warm month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 74.5°F (23.6°C).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from 81.3°F (27.4°C) in August to a still moderately hot 74.5°F (23.6°C). Peapack and Gladstone registers a consistent average low-temperature of 56.8°F (13.8°C) during September.

Humidity

The average relative humidity in September is 78%.

Rainfall

The month with the least rainfall in Peapack and Gladstone is September, when the rain falls for 12.9 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:41 pm EDT.

Sunshine

In Peapack and Gladstone, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the average September temperature in Peapack and Gladstone?

The average high-temperature and low-temperature in Peapack and Gladstone, New Jersey, during September are 74.5°F (23.6°C) and 56.8°F (13.8°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in September in Peapack and Gladstone?

The average relative humidity in September in Peapack and Gladstone is 78%.

What is the driest month in Peapack and Gladstone?

September is the month with the least rainfall. Rain falls for 12.9 days and accumulates 1.85" (47mm) of precipitation.

How many days does it rain in September in Peapack and Gladstone?

In September, the rain falls for 12.9 days. Throughout September, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in Peapack and Gladstone?

June through September are months without snowfall.

Does it snow in Peapack and Gladstone in September?

In Peapack and Gladstone, New Jersey, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Peapack and Gladstone have in September?

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

When are sunrise and sunset in September in Peapack and Gladstone?

On the first day of September, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.

How many hours of sunshine does Peapack and Gladstone have in September?

The average sunshine duration in September is 8.7h.

How high is the UV index in September in Peapack and Gladstone?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Peapack and Gladstone, NJ

Average temperature in September - Peapack and Gladstone, NJ
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in September
Peapack and Gladstone, NJ

Average pressure in September - Peapack and Gladstone, NJ
  • Average pressure in September: 30.06"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).

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Average wind speed in September
Peapack and Gladstone, NJ

Average wind speed in September - Peapack and Gladstone, NJ
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in September
Peapack and Gladstone, NJ

Average humidity in September - Peapack and Gladstone, NJ
  • Average humidity in September: 78%

The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in September
Peapack and Gladstone, NJ

Average rainfall in September - Peapack and Gladstone, NJ
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in September
Peapack and Gladstone, NJ

Average rainfall days in September - Peapack and Gladstone, NJ
  • Average rainfall days in September: 12.9 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in September
Peapack and Gladstone, NJ

Average snowfall in September - Peapack and Gladstone, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Peapack and Gladstone, NJ

Average snowfall days in September - Peapack and Gladstone, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Peapack and Gladstone, NJ

Average daylight in September / Average sunshine in September - Peapack and Gladstone, NJ
  • Average daylight in September: 12h and 3min

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 18min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Peapack and Gladstone, NJ

Average sunshine days in September - Peapack and Gladstone, NJ
  • Average sunshine days in September: 15 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in September
Peapack and Gladstone, NJ

Average UV index in September - Peapack and Gladstone, NJ
  • Average UV index in September: 4

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

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Average cloud cover in September
Peapack and Gladstone, NJ

Average cloud cover in September - Peapack and Gladstone, NJ
  • Average cloud cover in September: 40

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in September
Peapack and Gladstone, NJ

Average visibility in September - Peapack and Gladstone, NJ
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).

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Peapack and Gladstone, New Jersey, USA

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