September weather forecast
Harneys Corner, NJ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Harneys Corner, New Jersey, with an average temperature varying between 76.1°F (24.5°C) and 59.4°F (15.2°C).

Temperature

The move into September indicates a slight reduction in the average high-temperature, down from August's warm 82.9°F (28.3°C) to a still moderately hot 76.1°F (24.5°C). In Harneys Corner, the September nights cool down to an average low of 59.4°F (15.2°C).

Humidity

The average relative humidity in September is 76%.

Rainfall

In Harneys Corner, during September, the rain falls for 13.2 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Harneys Corner, during the entire year, the rain falls for 156.8 days and collects up to 31.81" (808mm) of precipitation.

Snowfall

June through September are months without snowfall in Harneys Corner.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of September, in Harneys Corner, sunrise is at 6:55 am and sunset at 6:42 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the temperature in September in Harneys Corner?

In September, in Harneys Corner, the average high-temperature is 76.1°F (24.5°C), and the average low-temperature is 59.4°F (15.2°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Harneys Corner?

In Harneys Corner, New Jersey, the average relative humidity in September is 76%.

How much does it rain in Harneys Corner in September?

In September, in Harneys Corner, New Jersey, the rain falls for 13.2 days. Throughout September, 2.01" (51mm) of precipitation is accumulated.

When it does not snow in Harneys Corner?

June through September are months without snowfall in Harneys Corner.

Does it snow in Harneys Corner in September?

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

How many hours of daylight does Harneys Corner have in September?

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

When are sunrise and sunset in September in Harneys Corner?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, in Harneys Corner, New Jersey, sunrise is at 6:55 am and sunset at 6:42 pm EDT.

How long on average sun shines in September in Harneys Corner?

In September, the average sunshine duration is 8.8h.

What is the UV index reading in September in Harneys Corner?

The average daily maximum UV index in September in Harneys Corner, New Jersey, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Harneys Corner, NJ

Average temperature in September - Harneys Corner, NJ
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in September
Harneys Corner, NJ

Average pressure in September - Harneys Corner, 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
Harneys Corner, NJ

Average wind speed in September - Harneys Corner, NJ
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in September
Harneys Corner, NJ

Average humidity in September - Harneys Corner, NJ
  • Average humidity in September: 76%

The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in September
Harneys Corner, NJ

Average rainfall in September - Harneys Corner, NJ
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in September
Harneys Corner, NJ

Average rainfall days in September - Harneys Corner, NJ
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in September
Harneys Corner, NJ

Average snowfall in September - Harneys Corner, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Harneys Corner, NJ

Average snowfall days in September - Harneys Corner, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.8 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
Harneys Corner, NJ

Average daylight in September / Average sunshine in September - Harneys Corner, 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).

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Average sunshine days in September
Harneys Corner, NJ

Average sunshine days in September - Harneys Corner, NJ
  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (9.3 days).

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Average UV index in September
Harneys Corner, NJ

Average UV index in September - Harneys Corner, NJ
  • Average UV index in September: 4

The months with the highest UV index are May, 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
Harneys Corner, NJ

Average cloud cover in September - Harneys Corner, NJ
  • Average cloud cover in September: 37

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in September
Harneys Corner, NJ

Average visibility in September - Harneys Corner, NJ
  • Average visibility in September: 6mi

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

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Harneys Corner, New Jersey, USA

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