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
With the commencement of September, Glen Ridge records a moderate temperature decline, with the average high easing from August's warm 82°F (27.8°C) to a still moderately hot 75°F (23.9°C). An average nighttime temperature of 59.9°F (15.5°C) is observed in Glen Ridge, New Jersey, during September.Humidity
In Glen Ridge, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall in Glen Ridge, New Jersey, is September, when the rain falls for 13 days and typically collects 1.77" (45mm) of precipitation.Snowfall
In Glen Ridge, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Glen Ridge have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Glen Ridge have in September?
What is the UV index reading in September?
Average temperature in September
Glen Ridge, NJ
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in September
Glen Ridge, 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
Glen Ridge, NJ
- Average wind speed in September: 6.4mph
The windiest months (with the highest average wind speed) are January and March (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Glen Ridge, NJ
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (77%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in September
Glen Ridge, NJ
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Glen Ridge, NJ
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in September
Glen Ridge, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Glen Ridge, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.2 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
Glen Ridge, 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 5min
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 42min).
Average sunshine days in September
Glen Ridge, NJ
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Glen Ridge, 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
Glen Ridge, NJ
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Glen Ridge, 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).
Glen Ridge, New Jersey, USA
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