September weather forecastVliettown, NJ
September
Weather in September
The first month of the autumn, September, is still a warm month in Vliettown, New Jersey, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 56.8°F (13.8°C).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 81.3°F (27.4°C) in August to a still moderately hot 74.5°F (23.6°C). During the month of September, Vliettown's nighttime temperature lowers to an average of 56.8°F (13.8°C).Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall in Vliettown. Rain falls for 12.9 days and accumulates 1.85" (47mm) of precipitation.Snowfall
In Vliettown, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
In Vliettown, the average sunshine in September is 8.7h.UV index
In Vliettown, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against sunburn is recommended. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vliettown, NJ
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Vliettown, NJ
- Average pressure in September: 30.06"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
Vliettown, NJ
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Vliettown, NJ
- Average humidity in September: 78%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Vliettown, NJ
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Vliettown, NJ
- Average rainfall days in September: 12.9 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Vliettown, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Vliettown, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vliettown, NJ
- Average daylight in September: 12h and 30min
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 18min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Vliettown, NJ
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in September
Vliettown, NJ
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Vliettown, NJ
- Average cloud cover in September: 40
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Vliettown, NJ
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
