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
The start of September signals a gentle decrease in the average high-temperature, transitioning from 82.6°F (28.1°C) in August to a still moderately hot 76.1°F (24.5°C). September witnesses an average low-temperature hovering around a refreshing 61.5°F (16.4°C).Humidity
June, September and October, with an average relative humidity of 79%, are the most humid months.Rainfall
In Newtonville, during September, the rain falls for 9.4 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Newtonville, during the entire year, the rain falls for 119.7 days and collects up to 15" (381mm) of precipitation.Snowfall
In Newtonville, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:28 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:43 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Newtonville have in September?
How high is the UV index in September?
Average temperature in September
Newtonville, NJ
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Newtonville, NJ
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Newtonville, NJ
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Newtonville, NJ
- Average humidity in September: 79%
The months with the highest relative humidity are June, September and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Newtonville, NJ
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Newtonville, NJ
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Newtonville, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Newtonville, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 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
Newtonville, NJ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- 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 48min).
Average sunshine days in September
Newtonville, NJ
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in September
Newtonville, NJ
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Newtonville, NJ
- Average cloud cover in September: 37
The months with the most cloud cover are February and March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Newtonville, 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).
Newtonville, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location