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 sea temperature 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 a moderately hot 81.9°F (27.7°C) in August to a still warm 74.8°F (23.8°C). In the month of September, Newark witnesses a consistent average low-temperature of 61°F (16.1°C).Humidity
In September, the average relative humidity in Newark, New Jersey, is 74%.Rainfall
The month with the least rainfall in Newark is September, when the rain falls for 12.6 days and typically collects 1.65" (42mm) of precipitation.Snowfall
In Newark, snow does not fall in May through October.Ocean temperature
In Newark, the average seawater temperature in September is 70.2°F (21.2°C).Note: For most individuals, swimming in 70.2°F (21.2°C) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 69.8°F (21°C).
Daylight
In Newark, New Jersey, 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 Newark, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
In Newark, New Jersey, the average sunshine in September is 9h.UV index
In Newark, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Attention! The reflection of both water and sand can increase the intensity of UV rays.
Frequently asked questions
What are September temperatures in Newark?
What is the average humidity in September in Newark?
What is the driest month in Newark?
How much does it rain in Newark in September?
When it does not snow in Newark?
What is the ocean temperature in September in Newark?
What is the average length of the day in September in Newark?
When is the sunrise / sunset in September in Newark?
How long on average sun shines in September in Newark?
How high is the UV index in September in Newark?
Average temperature in September
Newark, NJ
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Newark, 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
Newark, NJ
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in September
Newark, NJ
- Average humidity in September: 74%
The months with the highest relative humidity are February, May, October and December (76%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in September
Newark, NJ
- Average rainfall in September: 1.65"
The wettest months (with the highest rainfall) are July and December (3.19").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Newark, NJ
- Average rainfall days in September: 12.6 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Newark, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Newark, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Newark, NJ
- Average sea temperature in September: 70.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in September /
Average sunshine in September
Newark, NJ
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Newark, NJ
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in September
Newark, NJ
- Average UV index in September: 5
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
Newark, NJ
- Average cloud cover in September: 35
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Newark, 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).
Newark, New Jersey, USA
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