September weather forecast
Avalon, NJ

Weather in September

The first month of the autumn, September, is also a moderately hot month in Avalon, New Jersey, with an average temperature varying between 73.8°F (23.2°C) and 67.5°F (19.7°C).

Temperature

In September, the average high-temperature marginally drops from 79.2°F (26.2°C) in August to a still warm 73.8°F (23.2°C). In September, in Avalon, the average low-temperature is 67.5°F (19.7°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Avalon, it is raining for 9.1 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Avalon, New Jersey, there are 112.7 rainfall days, and 8.94" (227mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Avalon.

Ocean temperature

In Avalon, the average seawater temperature in September is 72.1°F (22.3°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 72.1°F (22.3°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In Avalon, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:29 pm. On the last day of September, in Avalon, sunrise is at 6:54 am and sunset at 6:43 pm EDT.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In September, the average daily maximum UV index in Avalon is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
[Resources]

FAQ

What is the average humidity in September in Avalon?

In September, the average relative humidity in Avalon, New Jersey, is 77%.

How much does it rain in Avalon in September?

In Avalon, in September, during 9.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When it does not snow in Avalon?

In Avalon, New Jersey, snow does not fall in April through November.

What is the water temperature in September in Avalon?

In Avalon, in September, the average water temperature is 72.1°F (22.3°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 72.1°F (22.3°C) water.

How many hours of daylight does Avalon have in September?

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

When are sunrise and sunset in September in Avalon?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm EDT.

How long on average sun shines in September in Avalon?

The average sunshine duration in September in Avalon is 9.5h.

How high is the UV index in September in Avalon?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Avalon, NJ

Average temperature in September - Avalon, NJ
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in September: 67.5°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

[Resources]

Average pressure in September
Avalon, NJ

Average pressure in September - Avalon, 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).

[Resources]

Average wind speed in September
Avalon, NJ

Average wind speed in September - Avalon, NJ
  • Average wind speed in September: 10.8mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).

[Resources]

Average humidity in September
Avalon, NJ

Average humidity in September - Avalon, 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%).

[Resources]

Average rainfall in September
Avalon, NJ

Average rainfall in September - Avalon, NJ
  • Average rainfall in September: 0.55"

The wettest months (with the highest rainfall) are May and June (0.98").
The driest month (with the least rainfall) is January (0.39").

[Resources]

Average rainfall days in September
Avalon, NJ

Average rainfall days in September - Avalon, NJ
  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (5.9 days).

[Resources]

Average snowfall in September
Avalon, NJ

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

The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in September
Avalon, NJ

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

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in September
Avalon, NJ

Average sea temperature in September - Avalon, NJ
  • Average sea temperature in September: 72.1°F

The best month for swimming (with the highest average sea temperature) is August (76.5°F).
The coldest month (with the lowest average sea temperature) is February (40.3°F).

[Resources]

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

Average daylight in September / Average sunshine in September - Avalon, NJ
  • Average daylight in September: 12h and 26min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in September: 9h and 30min

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).

[Resources]

Average sunshine days in September
Avalon, NJ

Average sunshine days in September - Avalon, NJ
  • Average sunshine days in September: 18.8 days

The months with the most sunshine days are January and November (22.3 days).
The month with the least sunshine days is July (15.6 days).

[Resources]

Average UV index in September
Avalon, NJ

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

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

[Resources]

Average cloud cover in September
Avalon, NJ

Average cloud cover in September - Avalon, NJ
  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 24).

[Resources]

Average visibility in September
Avalon, NJ

Average visibility in September - Avalon, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location