September weather forecastSchooley's Mountain, NJ
September
Weather in September
September, the first month of the autumn in Schooley's Mountain, is also a moderately hot month, with an average temperature varying between 55.2°F (12.9°C) and 74.3°F (23.5°C).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from 81.5°F (27.5°C) in August to a still warm 74.3°F (23.5°C). September nights cool down to an average low-temperature of 55.2°F (12.9°C).Humidity
In September, the average relative humidity is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.54" (39mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Schooley's Mountain is 12h and 27min.On the first day of September, sunrise is at 6:26 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. 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, the UV index of 4 transforms into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Schooley's Mountain, NJ
- Average high temperature in September: 74.3°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 (34°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Schooley's Mountain, NJ
- Average pressure in September: 30.06"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
Schooley's Mountain, NJ
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Schooley's Mountain, NJ
- Average humidity in September: 79%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Schooley's Mountain, NJ
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Schooley's Mountain, NJ
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Schooley's Mountain, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Schooley's Mountain, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Schooley's Mountain, NJ
- Average daylight in September: 12h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Schooley's Mountain, NJ
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in September
Schooley's Mountain, NJ
- Average UV index in September: 4
The months with the highest UV index are June and July (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
Schooley's Mountain, NJ
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Schooley's Mountain, NJ
- Average visibility in September: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).





