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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from 82.9°F (28.3°C) in August to a still moderately hot 76.5°F (24.7°C). Throughout September, an average low-temperature of 61.7°F (16.5°C) is experienced.Humidity
The average relative humidity in September is 77%.Rainfall
In Cedar Brook, New Jersey, during September, the rain falls for 8.7 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Cedar Brook, during the entire year, the rain falls for 115.1 days and collects up to 11.97" (304mm) of precipitation.Snowfall
In Cedar Brook, snow does not fall in June through October.Daylight
In Cedar Brook, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:43 pm EDT.
Sunshine
The average sunshine in September in Cedar Brook is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Cedar Brook?
What is the average humidity in September in Cedar Brook?
How many days does it rain in September in Cedar Brook?
When it does not snow in Cedar Brook?
How many hours of daylight does Cedar Brook have in September?
When are sunrise and sunset in September in Cedar Brook?
How many hours of sunshine does Cedar Brook have in September?
How high is the UV index in September in Cedar Brook?
Average temperature in September
Cedar Brook, NJ
- Average high temperature in September: 76.5°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 (38.5°F).
- Average low temperature in September: 61.7°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Cedar Brook, NJ
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Cedar Brook, NJ
- Average wind speed in September: 6.4mph
The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Cedar Brook, NJ
- Average humidity in September: 77%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Cedar Brook, NJ
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is July (1.42").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Cedar Brook, NJ
- Average rainfall days in September: 8.7 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Cedar Brook, NJ
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (1.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Cedar Brook, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Cedar Brook, NJ
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Cedar Brook, NJ
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in September
Cedar Brook, 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, February, November and December (UV index 2).
Average cloud cover in September
Cedar Brook, NJ
- Average cloud cover in September: 34
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Cedar Brook, 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).
Cedar Brook, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location