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's arrival signals a moderate reduction in the average high-temperature, easing from a moderately hot 81.9°F (27.7°C) in August to a still warm 74.7°F (23.7°C). In September, Livingston records an average nighttime temperature of 59.4°F (15.2°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Livingston, in September, it is raining for 11.2 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Livingston, New Jersey, there are 127.3 rainfall days, and 12.68" (322mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Livingston, 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 7:29 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Livingston, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Livingston have in September?
How high is the UV index in September?
Average temperature in September
Livingston, NJ
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Livingston, 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
Livingston, NJ
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Livingston, NJ
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in September
Livingston, NJ
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Livingston, NJ
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
Livingston, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Livingston, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Livingston, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Livingston, NJ
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in September
Livingston, 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
Livingston, NJ
- Average cloud cover in September: 36
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Livingston, 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).
Livingston, New Jersey, USA
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