September weather forecastVentnor City, NJ
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Ventnor City, New Jersey, with an average temperature varying between 65.5°F (18.6°C) and 74.3°F (23.5°C).Temperature
In Ventnor City, the average high-temperature in September gently drops from a warm 80.2°F (26.8°C) in August to a still moderately hot 74.3°F (23.5°C). Ventnor City's September nights witness minimal differential from the daytime temperatures, with averages of 65.5°F (18.6°C).Humidity
In Ventnor City, the average relative humidity in September is 77%.Rainfall
In Ventnor City, during September, the rain falls for 11.6 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Ventnor City, during the entire year, the rain falls for 140.2 days and collects up to 18.54" (471mm) of precipitation.Snowfall
May through October are months without snowfall.Ocean temperature
In Ventnor City, in September, the average water temperature is 71.4°F (21.9°C).Note: The majority of people find swimming in 71.4°F (21.9°C) unenjoyable. As the water temperature decreases from 69.8°F (21°C) to 59°F (15°C), breathing becomes more challenging to control.
Daylight
In Ventnor City, 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
In September, the average sunshine is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Note! The Sun's UV radiation gets intensified with the reflection from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ventnor City, NJ
- Average high temperature in September: 74.3°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 (40.1°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Ventnor City, 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
Ventnor City, NJ
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in September
Ventnor City, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Ventnor City, NJ
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Ventnor City, NJ
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Ventnor City, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Ventnor City, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Ventnor City, NJ
- Average sea temperature in September: 71.4°F
The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (40.5°F).
Average daylight in September /
Average sunshine in September
Ventnor City, NJ
- Average daylight in September: 12h and 24min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Ventnor City, NJ
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in September
Ventnor City, 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 and December (UV index 2).
Average cloud cover in September
Ventnor City, NJ
- Average cloud cover in September: 31
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Ventnor City, 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).





