September weather forecast
Port Norris, NJ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Port Norris, New Jersey, with an average temperature varying between 75.9°F (24.4°C) and 62.8°F (17.1°C).

Temperature

With the arrival of September, Port Norris experiences a modest decline in average high-temperatures, transitioning from a warm 82°F (27.8°C) in August to a still moderately hot 75.9°F (24.4°C). During the month of September, Port Norris's nighttime temperature lowers to an average of 62.8°F (17.1°C).

Humidity

In Port Norris, the average relative humidity in September is 78%.

Rainfall

In Port Norris, New Jersey, in September, during 11.1 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Port Norris, during the entire year, the rain falls for 132.2 days and collects up to 15.39" (391mm) of precipitation.

Snowfall

In Port Norris, New Jersey, snow does not fall in April through October.

Daylight

In Port Norris, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:29 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:43 pm EDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index in Port Norris is 5. 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, the maximum UV index of 5 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What is the average September temperature in Port Norris?

Port Norris in September has an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 62.8°F (17.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is computed to be 87.8°F (31°C).

What is the average humidity in September in Port Norris?

In Port Norris, New Jersey, the average relative humidity in September is 78%.

How much does it rain in Port Norris in September?

In Port Norris, New Jersey, in September, it is raining for 11.1 days, with typically 1.18" (30mm) of accumulated precipitation.

When it does not snow in Port Norris?

April through October are months without snowfall in Port Norris, New Jersey.

What is the average length of the day in September in Port Norris?

In September, the average day length in Port Norris, New Jersey, is 12h and 26min.

When is the sunrise / sunset in September in Port Norris?

On the first day of September, sunrise is at 6:29 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:43 pm EDT.

How many hours of sunshine does Port Norris have in September?

The average sunshine duration in September in Port Norris, New Jersey, is 9.3h.

What is the UV index reading in September in Port Norris?

In Port Norris, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Port Norris, NJ

Average temperature in September - Port Norris, NJ
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in September
Port Norris, NJ

Average pressure in September - Port Norris, NJ
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Port Norris, NJ

Average wind speed in September - Port Norris, NJ
  • Average wind speed in September: 7.3mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in September
Port Norris, NJ

Average humidity in September - Port Norris, NJ
  • Average humidity in September: 78%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Port Norris, NJ

Average rainfall in September - Port Norris, NJ
  • Average rainfall in September: 1.18"

The wettest month (with the highest rainfall) is August (1.81").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in September
Port Norris, NJ

Average rainfall days in September - Port Norris, NJ
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.3 days).

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Average snowfall in September
Port Norris, NJ

Average snowfall in September - Port Norris, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.22").
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
Port Norris, NJ

Average snowfall days in September - Port Norris, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4 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
Port Norris, NJ

Average daylight in September / Average sunshine in September - Port Norris, NJ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in September
Port Norris, NJ

Average sunshine days in September - Port Norris, NJ
  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (12.8 days).

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Average UV index in September
Port Norris, NJ

Average UV index in September - Port Norris, NJ
  • Average UV index in September: 5

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 and December (UV index 2).

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Average cloud cover in September
Port Norris, NJ

Average cloud cover in September - Port Norris, NJ
  • Average cloud cover in September: 33

The months with the most cloud cover are February and March (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
Port Norris, NJ

Average visibility in September - Port Norris, 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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Port Norris, New Jersey, USA

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