September weather forecast
Longport, NJ

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Weather in September

September, the first month of the autumn in Longport, is still a warm month, with an average temperature varying between 66.2°F (19°C) and 74.3°F (23.5°C).

Temperature

As Longport steps into September, the average high-temperature holds at a still moderately hot 74.3°F (23.5°C), hinting at a minor fluctuation from the prior month. Longport experiences an average nighttime temperature of 66.2°F (19°C) in September, reflecting a minor difference from the day's peak.

Humidity

In September, the average relative humidity is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 8.5 days and typically collects 0.35" (9mm) of precipitation.

Snowfall

In Longport, snow does not fall in April, June through November.

Daylight

In Longport, New Jersey, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:41 pm EDT.

Sunshine

The average sunshine in September is 9.5h.

UV index

In Longport, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Longport?

In Longport, in September, the average high-temperature is 74.3°F (23.5°C), and the average low-temperature is 66.2°F (19°C).

What is the average humidity in September in Longport?

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

What is the driest month in Longport?

September is the month with the least rainfall in Longport. Rain falls for 8.5 days and accumulates 0.35" (9mm) of precipitation.

How many days does it rain in September in Longport?

In Longport, in September, during 8.5 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

When it does not snow in Longport?

In Longport, snow does not fall in April, June through November.

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

In September, the average day length is 12h and 26min.

When is the sunrise / sunset in September in Longport?

On the first day of September in Longport, New Jersey, sunrise is at 6:27 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:41 pm EDT.

How many hours of sunshine does Longport have in September?

In Longport, New Jersey, the average sunshine duration in September is 9.5h.

How high is the UV index in September in Longport?

The average daily maximum UV index in September in Longport is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Longport, NJ

Average temperature in September - Longport, NJ
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in September: 66.2°F

The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

Average pressure in September
Longport, NJ

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Longport, NJ

Average wind speed in September - Longport, NJ
  • Average wind speed in September: 9.9mph

The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

Average humidity in September
Longport, NJ

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

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).

Average rainfall in September
Longport, NJ

Average rainfall in September - Longport, NJ
  • Average rainfall in September: 0.35"

The wettest months (with the highest rainfall) are May and August (0.79").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in September
Longport, NJ

Average rainfall days in September - Longport, NJ
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (5.7 days).

Average snowfall in September
Longport, NJ

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

The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, June, July, August, September, October and November (0").

Average snowfall days in September
Longport, NJ

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

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Longport, 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 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in September
Longport, NJ

Average sunshine days in September - Longport, NJ
  • Average sunshine days in September: 18.9 days

The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is July (15.1 days).

Average UV index in September
Longport, NJ

Average UV index in September - Longport, 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).

Average cloud cover in September
Longport, NJ

Average cloud cover in September - Longport, NJ
  • Average cloud cover in September: 30

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in September
Longport, NJ

Average visibility in September - Longport, 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).

Longport, New Jersey, USA

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