September weather forecastRiviera on the Barnegat, NJ
September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 12h and 24min
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: 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: 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: 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: 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).





