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
September is marked by a subtle drop in average high-temperatures, transitioning from 82.9°F (28.3°C) in August to a still moderately hot 75.4°F (24.1°C). During the month of September, the nighttime temperature in Hackensack falls to an average of 59.9°F (15.5°C).Humidity
In Hackensack, the average relative humidity in September is 73%.Rainfall
In Hackensack, in September, it is raining for 11.8 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 149.3 rainfall days, and 22.36" (568mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Daylight
In Hackensack, the average length of the day in September is 12h and 27min.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 Hackensack, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
In Hackensack, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Hackensack?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Hackensack have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Hackensack, NJ
- Average high temperature in September: 75.4°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 (35.4°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Hackensack, 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
Hackensack, NJ
- Average wind speed in September: 6.5mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in September
Hackensack, NJ
- Average humidity in September: 73%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Hackensack, NJ
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in September
Hackensack, NJ
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Hackensack, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Hackensack, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 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
Hackensack, 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 4min
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
Hackensack, NJ
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in September
Hackensack, 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
Hackensack, NJ
- Average cloud cover in September: 36
The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Hackensack, 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).
Hackensack, New Jersey, USA
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