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
September
Weather in September
Temperature
A subtle shift in Newark's weather is observed as August turns into September, with the average high temperature reducing from 81.9°F (27.7°C) to a still moderately hot 74.8°F (23.8°C). Newark throughout September, records an average low-temperature of 61°F (16.1°C).Humidity
In Newark, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.65" (42mm) of precipitation.Snowfall
May through October are months without snowfall.Ocean temperature
In September, the average ocean temperature in Newark is 70.2°F (21.2°C).Note: Most people do not find pleasure in swimming when the water temperature is 70.2°F (21.2°C). Breathing becomes increasingly difficult to manage as the water temperature drops from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Newark, 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, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the ocean temperature in September?
What is the average length of the day in September?
What time are sunrise and sunset in September in Newark?
How long on average sun shines in September?
What is the UV index intensity in September?
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).