September weather forecast
Leisure Knoll, NJ

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Weather in September

The first month of the autumn, September, is still a warm month in Leisure Knoll, New Jersey, with an average temperature fluctuating between 74.7°F (23.7°C) and 62.1°F (16.7°C).

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 81.1°F (27.3°C) to a still warm 74.7°F (23.7°C). Leisure Knoll's temperature lowers to a mean of 62.1°F (16.7°C) during the nights in September.

Humidity

In Leisure Knoll, the average relative humidity in September is 78%.

Rainfall

The months with the least rainfall are January and September Rain falls for 9.5 days and accumulates 0.55" (14mm) of rain.

Snowfall

April through October are months without snowfall.

Daylight

In Leisure Knoll, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

Sunshine

In Leisure Knoll, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 5 during September morphs into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

What is the temperature in September?

The average high-temperature, in September, in Leisure Knoll, is 74.7°F (23.7°C), while the average low-temperature is 62.1°F (16.7°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 86°F (30°C).

What is the average humidity in September?

In Leisure Knoll, the average relative humidity in September is 78%.

What is the driest month?

January and September are months with the least rain when the rain falls for 9.5 days and typically aggregates up to 0.55" (14mm) of rain.

How many days does it rain in September in Leisure Knoll?

In Leisure Knoll, in September, it is raining for 9.5 days, with typically 0.55" (14mm) of accumulated precipitation.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Leisure Knoll have in September?

In Leisure Knoll, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:28 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 Leisure Knoll have in September?

The average sunshine duration in September is 8.8h.

How high is the UV index in September?

In Leisure Knoll, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Leisure Knoll, NJ

Average temperature in September - Leisure Knoll, NJ
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 62.1°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in September
Leisure Knoll, NJ

Average pressure in September - Leisure Knoll, 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
Leisure Knoll, NJ

Average wind speed in September - Leisure Knoll, NJ
  • Average wind speed in September: 7.4mph

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in September
Leisure Knoll, NJ

Average humidity in September - Leisure Knoll, NJ
  • Average humidity in September: 78%

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

Average rainfall in September
Leisure Knoll, NJ

Average rainfall in September - Leisure Knoll, NJ
  • Average rainfall in September: 0.55"

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

Average rainfall days in September
Leisure Knoll, NJ

Average rainfall days in September - Leisure Knoll, NJ
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (5.6 days).

Average snowfall in September
Leisure Knoll, NJ

Average snowfall in September - Leisure Knoll, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Leisure Knoll, NJ

Average snowfall days in September - Leisure Knoll, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Leisure Knoll, NJ

Average daylight in September / Average sunshine in September - Leisure Knoll, 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: 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 48min).

Average sunshine days in September
Leisure Knoll, NJ

Average sunshine days in September - Leisure Knoll, NJ
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.1 days).

Average UV index in September
Leisure Knoll, NJ

Average UV index in September - Leisure Knoll, 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).

Average cloud cover in September
Leisure Knoll, NJ

Average cloud cover in September - Leisure Knoll, NJ
  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in September
Leisure Knoll, NJ

Average visibility in September - Leisure Knoll, 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).

Leisure Knoll, New Jersey, USA

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