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
As September arrives, Passaic's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 82.2°F (27.9°C) to a still warm 75.4°F (24.1°C). During the nights in September, Passaic experiences a consistent average temperature of 59.9°F (15.5°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Passaic, in September, it is raining for 13 days, with typically 1.54" (39mm) of accumulated precipitation. In Passaic, during the entire year, the rain falls for 150.9 days and collects up to 25.28" (642mm) of precipitation.Snowfall
In Passaic, snow does not fall in May through October.Daylight
In Passaic, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of September, in Passaic, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September in Passaic is 8.8h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Passaic in September?
What is the average humidity in September in Passaic?
How much does it rain in Passaic in September?
When it does not snow in Passaic?
What is the average length of the day in September in Passaic?
What time are sunrise and sunset in September in Passaic?
How many hours of sunshine does Passaic have in September?
What is the UV index intensity in September in Passaic?
Average temperature in September
Passaic, NJ
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (84.2°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
Passaic, 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
Passaic, NJ
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Passaic, NJ
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Passaic, NJ
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in September
Passaic, NJ
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Passaic, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Passaic, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Passaic, 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
Passaic, NJ
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in September
Passaic, 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
Passaic, 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
Passaic, 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).
Passaic, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location