September weather forecastMount Laurel, NJ
September
Weather in September
September, the first month of the autumn in Mount Laurel, is also a moderately hot month, with temperature in the range of an average high of 76.5°F (24.7°C) and an average low of 60.8°F (16°C).Temperature
Mount Laurel's weather subtly changes with the onset of September, barely falling from a moderately hot 83.8°F (28.8°C) in August to a still warm 76.5°F (24.7°C). During the nights in September, Mount Laurel experiences a consistent average temperature of 60.8°F (16°C).Humidity
In Mount Laurel, New Jersey, the average relative humidity in September is 76%.Rainfall
In September, the rain falls for 9.9 days. Throughout September, 0.71" (18mm) of precipitation is accumulated. In Mount Laurel, during the entire year, the rain falls for 120.1 days and collects up to 11.81" (300mm) of precipitation.Snowfall
In Mount Laurel, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:43 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Mount Laurel, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mount Laurel, NJ
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 60.8°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 (25.5°F).
Average pressure in September
Mount Laurel, 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
Mount Laurel, NJ
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Mount Laurel, NJ
- Average humidity in September: 76%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Mount Laurel, NJ
- Average rainfall in September: 0.71"
The wettest months (with the highest rainfall) are July and August (1.42").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Mount Laurel, NJ
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (14.2 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Mount Laurel, NJ
- Average snowfall in September: 0"
The months with the highest snowfall are February and March (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Mount Laurel, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 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
Mount Laurel, NJ
- Average daylight in September: 12h and 24min
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 24min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Mount Laurel, NJ
- Average sunshine days in September: 17 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13 days).
Average UV index in September
Mount Laurel, 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
Mount Laurel, NJ
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Mount Laurel, 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).
