September weather forecast
Ardena, NJ

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Weather in September

The first month of the autumn, September, is still a warm month in Ardena, New Jersey, with an average temperature varying between 63.3°F (17.4°C) and 74.1°F (23.4°C).

Temperature

With the onset of September, Ardena experiences a modest temperature adjustment, with the average high-temperature gently receding from 80.4°F (26.9°C) in August to a still warm 74.1°F (23.4°C). Ardena throughout September, records an average low-temperature of 63.3°F (17.4°C).

Humidity

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

Rainfall

In Ardena, in September, during 13.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 162 rainfall days, and 32.2" (818mm) of precipitation is accumulated.

Snowfall

In Ardena, New Jersey, snow does not fall in May through September.

Daylight

The average length of the day in September in Ardena is 12h and 27min.
On the first day of September in Ardena, New Jersey, 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.

Sunshine

The average sunshine in September is 9.1h.

UV index

In Ardena, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What are September temperatures in Ardena?

During September, Ardena experiences an average high-temperature of 74.1°F (23.4°C) and a low-temperature of 63.3°F (17.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in September in Ardena?

The average relative humidity in September in Ardena is 77%.

How much does it rain in Ardena in September?

In Ardena, New Jersey, during September, the rain falls for 13.5 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Ardena?

May through September are months without snowfall in Ardena.

Does it snow in Ardena in September?

In Ardena, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Ardena?

The average day length in September in Ardena is 12h and 27min.

What time are sunrise and sunset in September in Ardena?

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, in Ardena, New Jersey, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Ardena have in September?

In Ardena, New Jersey, the average sunshine duration in September is 9.1h.

What is the UV index intensity in September in Ardena?

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
Ardena, NJ

Average temperature in September - Ardena, NJ
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in September
Ardena, NJ

Average pressure in September - Ardena, 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
Ardena, NJ

Average wind speed in September - Ardena, NJ
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in September
Ardena, NJ

Average humidity in September - Ardena, NJ
  • Average humidity in September: 77%

The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in September
Ardena, NJ

Average rainfall in September - Ardena, NJ
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (1.93").

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Average rainfall days in September
Ardena, NJ

Average rainfall days in September - Ardena, NJ
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).

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Average snowfall in September
Ardena, NJ

Average snowfall in September - Ardena, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Ardena, NJ

Average snowfall days in September - Ardena, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Ardena, NJ

Average daylight in September / Average sunshine in September - Ardena, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in September
Ardena, NJ

Average sunshine days in September - Ardena, NJ
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in September
Ardena, NJ

Average UV index in September - Ardena, 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
Ardena, NJ

Average cloud cover in September - Ardena, NJ
  • Average cloud cover in September: 33

The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in September
Ardena, NJ

Average visibility in September - Ardena, 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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Ardena, New Jersey, USA

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