September weather forecast and climate
Willingboro, NJ

Weather in September

September, the first month of the autumn, in Willingboro, is still a warm month, with average temperature fluctuating between 76.5°F (24.7°C) and 60.8°F (16°C).

Temperature

In Willingboro, the average high-temperature marginally drops, from 83.8°F (28.8°C) in August, to a still warm 76.5°F (24.7°C). The average low-temperature, in Willingboro, is 60.8°F (16°C).

Humidity

In Willingboro, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is September when the rain falls for 12.4 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day is 12.4h.

Sunshine

The average sunshine in Willingboro is 8.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Willingboro?

In Willingboro, in September, the average high-temperature is 76.5°F (24.7°C), and the average low-temperature is 60.8°F (16°C).

What is the average humidity in September in Willingboro?

In September, the average relative humidity in Willingboro is 75%.

How many days does it rain in September in Willingboro?

In Willingboro, during September, the rain falls for 12.4 days and regularly aggregates up to 1.57" (40mm) of precipitation.

What is the driest month in Willingboro?

The month with the least rainfall in Willingboro, New Jersey, is September when the rain falls for 12.4 days and typically collects 1.57" (40mm) of precipitation.

When it does not snow in Willingboro?

June through October are months without snowfall in Willingboro, New Jersey.

How many hours of daylight does Willingboro have in September?

In September, the average length of the day in Willingboro, New Jersey, is 12.4h.

How many hours of sunshine does Willingboro have in September?

In Willingboro, the average sunshine in September is 8.7h.

How high is the UV index in September in Willingboro?

In Willingboro, New Jersey, 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 the UV radiation.

Average temperature in September
Willingboro, NJ

Average temperature in September - Willingboro, NJ
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in September: 60.8°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in September
Willingboro, NJ

Average pressure in September - Willingboro, NJ
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Willingboro, NJ

Average wind speed in September - Willingboro, NJ
  • Average wind speed in September: 6.1mph

The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Willingboro, NJ

Average humidity in September - Willingboro, NJ
  • Average humidity in September: 75%

Months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in September
Willingboro, NJ

Average rainfall in September - Willingboro, NJ
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in September
Willingboro, NJ

Average rainfall days in September - Willingboro, NJ
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in September
Willingboro, NJ

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

The month with the highest snowfall is March (2.95").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Willingboro, NJ

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

The month with the highest number of snowfall days is January (6 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Willingboro, NJ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in September
Willingboro, NJ

Average sunshine days in September - Willingboro, NJ
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in September
Willingboro, NJ

Average UV index in September - Willingboro, NJ
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Willingboro, NJ

Average cloud cover in September - Willingboro, NJ
  • Average cloud cover in September: 38

Months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in September
Willingboro, NJ

Average visibility in September - Willingboro, NJ
  • Average visibility in September: 6mi

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

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