September weather forecast
Riviera on the Barnegat, NJ

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Weather in September

September, the first month of the autumn in Riviera on the Barnegat, is also a moderately hot month, with an average temperature varying between 64.4°F (18°C) and 73.8°F (23.2°C).

Temperature

Riviera on the Barnegat's weather subtly changes with the onset of September, barely falling from a moderately hot 79.9°F (26.6°C) in August to a still warm 73.8°F (23.2°C). Riviera on the Barnegat, in September, experiences an average temperature of 64.4°F (18°C) at night.

Humidity

In Riviera on the Barnegat, the average relative humidity in September is 77%.

Rainfall

In Riviera on the Barnegat, during September, the rain falls for 11.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Riviera on the Barnegat, during the entire year, the rain falls for 129.4 days and collects up to 15.31" (389mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September in Riviera on the Barnegat, sunrise is at 6:25 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:40 pm EDT.

Sunshine

In Riviera on the Barnegat, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

The average high-temperature and low-temperature during September are 73.8°F (23.2°C) and 64.4°F (18°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

How many days does it rain in September?

In September, the rain falls for 11.7 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When it does not snow?

April through October are months without snowfall.

How many hours of daylight does Riviera on the Barnegat have in September?

In Riviera on the Barnegat, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:25 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:40 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9h.

How high is the UV index in September?

In Riviera on the Barnegat, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Riviera on the Barnegat, NJ

Average temperature in September - Riviera on the Barnegat, 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
Riviera on the Barnegat, NJ

Average pressure in September - Riviera on the Barnegat, NJ
  • Average pressure in September: 30.05"Hg

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

Average wind speed in September
Riviera on the Barnegat, NJ

Average wind speed in September - Riviera on the Barnegat, 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
Riviera on the Barnegat, NJ

Average humidity in September - Riviera on the Barnegat, NJ
  • Average humidity in September: 77%

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

Average rainfall in September
Riviera on the Barnegat, NJ

Average rainfall in September - Riviera on the Barnegat, 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
Riviera on the Barnegat, NJ

Average rainfall days in September - Riviera on the Barnegat, 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
Riviera on the Barnegat, NJ

Average snowfall in September - Riviera on the Barnegat, NJ
  • Average snowfall in September: 0"

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

Average snowfall days in September
Riviera on the Barnegat, NJ

Average snowfall days in September - Riviera on the Barnegat, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The 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
Riviera on the Barnegat, NJ

Average daylight in September / Average sunshine in September - Riviera on the Barnegat, NJ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Riviera on the Barnegat, NJ

Average sunshine days in September - Riviera on the Barnegat, 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
Riviera on the Barnegat, NJ

Average UV index in September - Riviera on the Barnegat, 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, November and December (UV index 2).

Average cloud cover in September
Riviera on the Barnegat, NJ

Average cloud cover in September - Riviera on the Barnegat, NJ
  • Average cloud cover in September: 33

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

Average visibility in September
Riviera on the Barnegat, NJ

Average visibility in September - Riviera on the Barnegat, 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).

Riviera on the Barnegat, New Jersey, USA

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