September weather forecast and climate
Gloucester City, NJ

Weather in September

The first month of the autumn, September, is still a warm month in Gloucester City, New Jersey, with average temperature varying between 61.2°F (16.2°C) and 76.6°F (24.8°C).

Temperature

In Gloucester City, the average high-temperature in September marginally drops, from 84°F (28.9°C) in August, to a still moderately hot 76.6°F (24.8°C). In September, in Gloucester City, the average low-temperature is 61.2°F (16.2°C).

Humidity

The average relative humidity in Gloucester City is 75%.

Rainfall

In Gloucester City, New Jersey, during September, the rain falls for 10.5 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Gloucester City, there are 127.8 rainfall days, and 13.82" (351mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Gloucester City, the average length of the day is 12.4h.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The average daily maximum UV index in Gloucester City is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Gloucester City?

In September, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 61.2°F (16.2°C).

What is the average humidity in September in Gloucester City?

The average relative humidity in September in Gloucester City is 75%.

How many days does it rain in September in Gloucester City?

In Gloucester City, during September, the rain falls for 10.5 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When it does not snow in Gloucester City?

In Gloucester City, New Jersey, snow does not fall in June through October.

How many hours of daylight does Gloucester City have in September?

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

How long on average sun shines in September in Gloucester City?

The average sunshine in September in Gloucester City is 8.8h.

How high is the UV index in September in Gloucester City?

The average daily maximum UV index in September in Gloucester City is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Gloucester City, NJ

Average temperature in September - Gloucester City, NJ
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in September: 61.2°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 (25.5°F).

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Average pressure in September
Gloucester City, NJ

Average pressure in September - Gloucester City, 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 (29.94").

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Average wind speed in September
Gloucester City, NJ

Average wind speed in September - Gloucester City, NJ
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in September
Gloucester City, NJ

Average humidity in September - Gloucester City, NJ
  • Average humidity in September: 75%

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

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Average rainfall in September
Gloucester City, NJ

Average rainfall in September - Gloucester City, NJ
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are January and February (0.83").

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Average rainfall days in September
Gloucester City, NJ

Average rainfall days in September - Gloucester City, NJ
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in September
Gloucester City, NJ

Average snowfall in September - Gloucester City, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.98").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Gloucester City, NJ

Average snowfall days in September - Gloucester City, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 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
Gloucester City, NJ

Average daylight in September / Average sunshine in September - Gloucester City, 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: 8.8h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Gloucester City, NJ

Average sunshine days in September - Gloucester City, NJ
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (13.3 days).

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Average UV index in September
Gloucester City, NJ

Average UV index in September - Gloucester City, 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
Gloucester City, NJ

Average cloud cover in September - Gloucester City, NJ
  • Average cloud cover in September: 38

Months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in September
Gloucester City, NJ

Average visibility in September - Gloucester City, 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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