September weather forecast and climate
Island Beach Heights, NJ

The first month of the autumn, September, is still a warm month in Island Beach Heights, New Jersey, with average temperature fluctuating between 64.4°F (18°C) and 73.8°F (23.2°C).

Temperature

In Island Beach Heights, the average high-temperature marginally drops, from a moderately hot 79.9°F (26.6°C) in August, to a still warm 73.8°F (23.2°C). In Island Beach Heights, the average low-temperature is 64.4°F (18°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, in Island Beach Heights, the rain falls for 11.7 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Island Beach Heights, during the entire year, the rain falls for 129.4 days and collects up to 15.31" (389mm) of precipitation.

Snowfall

In Island Beach Heights snow does not fall in April through October.

Daylight

In Island Beach Heights, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in Island Beach Heights is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Island Beach Heights?

The average high-temperature, in September, in Island Beach Heights, is 73.8°F (23.2°C), while the average low-temperature is 64.4°F (18°C).

What is the average humidity in September in Island Beach Heights?

In September, the average relative humidity in Island Beach Heights, New Jersey, is 77%.

How many days does it rain in September in Island Beach Heights?

In Island Beach Heights, in September, it is raining for 11.7 days, with typically 1.14" (29mm) of accumulated precipitation.

When it does not snow in Island Beach Heights?

April through October are months without snowfall in Island Beach Heights, New Jersey.

How many hours of daylight does Island Beach Heights have in September?

In September, the average length of the day in Island Beach Heights, New Jersey, is 12.4h.

How many hours of sunshine does Island Beach Heights have in September?

In September, the average sunshine in Island Beach Heights is 9h.

How high is the UV index in September in Island Beach Heights?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Island Beach Heights, NJ
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 64.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September - Island Beach Heights, NJ
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in September - Island Beach Heights, NJ
  • Average wind speed in September: 9mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

Average humidity in September - Island Beach Heights, NJ
  • Average humidity in September: 77%

Months with the highest relative humidity are May and June (80%).
Months with the lowest relative humidity are January, March and November (74%).

Average rainfall in September - Island Beach Heights, NJ
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in September - Island Beach Heights, NJ
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in September - Island Beach Heights, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.75").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Island Beach Heights, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Island Beach Heights, 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: 9h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in September - Island Beach Heights, NJ
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in September - Island Beach Heights, NJ
  • Average UV index in September: 5

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

Average cloud cover in September - Island Beach Heights, NJ
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in September - Island Beach Heights, 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).