September weather forecast
Short Hills, NJ

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Weather in September

September, the first month of the autumn in Short Hills, is still a warm month, with an average temperature ranging between max 75.2°F (24°C) and min 60.1°F (15.6°C).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 81.9°F (27.7°C) to a still warm 75.2°F (24°C). Short Hills experiences a steady low-temperature of 60.1°F (15.6°C) throughout September.

Humidity

In September, the average relative humidity is 75%.

Rainfall

September is the month with the least rainfall in Short Hills. Rain falls for 9.8 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

In Short Hills, New Jersey, snow does not fall in May through October.

Daylight

In Short Hills, the average length of the day in September is 12h and 27min.
On the first day of September in Short Hills, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

Sunshine

In Short Hills, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September in Short Hills is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the usual temperature for Short Hills in September?

The high-temperature, in September, in Short Hills, records 75.2°F (24°C), while the low-temperature is 60.1°F (15.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 86°F (30°C).

What is the average humidity in September in Short Hills?

In Short Hills, New Jersey, the average relative humidity in September is 75%.

What is the driest month in Short Hills?

September is the month with the least rainfall in Short Hills, New Jersey. Rain falls for 9.8 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in Short Hills in September?

In Short Hills, in September, during 9.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

When it does not snow in Short Hills?

May through October are months without snowfall.

How many hours of daylight does Short Hills have in September?

In September, the average day length in Short Hills is 12h and 27min.

When are sunrise and sunset in September in Short Hills?

On the first day of September, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Short Hills have in September?

In Short Hills, New Jersey, the average sunshine duration in September is 8.9h.

What is the UV index intensity in September in Short Hills?

The average daily maximum UV index in September in Short Hills is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Short Hills, NJ

Average temperature in September - Short Hills, NJ
  • Average high temperature in September: 75.2°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in September
Short Hills, NJ

Average pressure in September - Short Hills, 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).

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Average wind speed in September
Short Hills, NJ

Average wind speed in September - Short Hills, NJ
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).

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Average humidity in September
Short Hills, NJ

Average humidity in September - Short Hills, NJ
  • Average humidity in September: 75%

The months with the highest relative humidity are February and December (77%).
The months with the lowest relative humidity are April and August (72%).

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Average rainfall in September
Short Hills, NJ

Average rainfall in September - Short Hills, NJ
  • Average rainfall in September: 0.43"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in September
Short Hills, NJ

Average rainfall days in September - Short Hills, NJ
  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in September
Short Hills, NJ

Average snowfall in September - Short Hills, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Short Hills, NJ

Average snowfall days in September - Short Hills, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Short Hills, NJ

Average daylight in September / Average sunshine in September - Short Hills, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Short Hills, NJ

Average sunshine days in September - Short Hills, NJ
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is June (13.5 days).

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Average UV index in September
Short Hills, NJ

Average UV index in September - Short Hills, NJ
  • Average UV index in September: 4

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).

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Average cloud cover in September
Short Hills, NJ

Average cloud cover in September - Short Hills, NJ
  • Average cloud cover in September: 35

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Short Hills, NJ

Average visibility in September - Short Hills, 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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Short Hills, New Jersey, USA

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