Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from 82.9°F (28.3°C) in August to a still warm 75.2°F (24°C). Throughout September, Woodcliff Lake experiences a low-temperature average of 58.3°F (14.6°C).Humidity
The average relative humidity in September in Woodcliff Lake is 74%.Rainfall
The month with the least rainfall in Woodcliff Lake, New Jersey, is September, when the rain falls for 12.9 days and typically collects 1.89" (48mm) of precipitation.Snowfall
May through September are months without snowfall in Woodcliff Lake, New Jersey.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of September, in Woodcliff Lake, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
In Woodcliff Lake, the average sunshine in September is 8.5h.UV index
In Woodcliff Lake, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Woodcliff Lake?
What is the average humidity in September in Woodcliff Lake?
What is the driest month in Woodcliff Lake?
How many days does it rain in September in Woodcliff Lake?
When it does not snow in Woodcliff Lake?
Does it snow in Woodcliff Lake in September?
What is the average length of the day in September in Woodcliff Lake?
When is the sunrise / sunset in September in Woodcliff Lake?
How long on average sun shines in September in Woodcliff Lake?
What is the UV index reading in September in Woodcliff Lake?
Average temperature in September
Woodcliff Lake, NJ
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
Woodcliff Lake, NJ
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Woodcliff Lake, NJ
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Woodcliff Lake, NJ
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Woodcliff Lake, NJ
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Woodcliff Lake, NJ
- Average rainfall days in September: 12.9 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Woodcliff Lake, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Woodcliff Lake, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Woodcliff Lake, NJ
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Woodcliff Lake, NJ
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Woodcliff Lake, NJ
- Average UV index in September: 4
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, March, November and December (UV index 2).
Average cloud cover in September
Woodcliff Lake, NJ
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Woodcliff Lake, NJ
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Woodcliff Lake, New Jersey, USA
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