September weather forecast
Cliffside Park, NJ

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Weather in September

September, the first month of the autumn in Cliffside Park, is still a warm month, with temperature in the range of an average low of 61.5°F (16.4°C) and an average high of 75°F (23.9°C).

Temperature

A subtle shift in Cliffside Park's weather is observed as August turns into September, with the average high temperature reducing from 82°F (27.8°C) to a still warm 75°F (23.9°C). Nighttime temperature dips to a mean of 61.5°F (16.4°C) during September.

Humidity

In Cliffside Park, New Jersey, the average relative humidity in September is 73%.

Rainfall

In Cliffside Park, in September, during 9.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Cliffside Park, there are 112.4 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Cliffside Park is 12h and 27min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of September, in Cliffside Park, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

Sunshine

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 exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What is the temperature in September in Cliffside Park?

In September, in Cliffside Park, the average high-temperature is 75°F (23.9°C), and the average low-temperature is 61.5°F (16.4°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the average humidity in September in Cliffside Park?

In September, the average relative humidity in Cliffside Park is 73%.

How much does it rain in Cliffside Park in September?

In Cliffside Park, in September, during 9.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Cliffside Park?

April through October are months without snowfall in Cliffside Park, New Jersey.

What is the average length of the day in September in Cliffside Park?

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

When is the sunrise / sunset in September in Cliffside Park?

On the first day of September in Cliffside Park, New Jersey, sunrise is at 6:23 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 Cliffside Park have in September?

The average sunshine duration in September in Cliffside Park is 8.8h.

What is the UV index intensity in September in Cliffside Park?

The average daily maximum UV index in September in Cliffside Park, New Jersey, is 5. A UV Index of 3 to 5 symbolizes 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
Cliffside Park, NJ

Average temperature in September - Cliffside Park, NJ
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in September: 61.5°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in September
Cliffside Park, NJ

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

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Cliffside Park, NJ

Average wind speed in September - Cliffside Park, NJ
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in September
Cliffside Park, NJ

Average humidity in September - Cliffside Park, NJ
  • Average humidity in September: 73%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in September
Cliffside Park, NJ

Average rainfall in September - Cliffside Park, NJ
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days in September
Cliffside Park, NJ

Average rainfall days in September - Cliffside Park, NJ
  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in September
Cliffside Park, NJ

Average snowfall in September - Cliffside Park, NJ
  • Average snowfall in September: 0"

The months with the highest snowfall are February, March and December (0.47").
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
Cliffside Park, NJ

Average snowfall days in September - Cliffside Park, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.2 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
Cliffside Park, NJ

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

The month with the longest days is June (Average daylight: 15h and 6min).
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 48min).

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Average sunshine days in September
Cliffside Park, NJ

Average sunshine days in September - Cliffside Park, NJ
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (16.1 days).

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Average UV index in September
Cliffside Park, NJ

Average UV index in September - Cliffside Park, 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).

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Average cloud cover in September
Cliffside Park, NJ

Average cloud cover in September - Cliffside Park, 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
Cliffside Park, NJ

Average visibility in September - Cliffside Park, 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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Cliffside Park, New Jersey, USA

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