September weather forecastOak Glen, NJ
September
Weather in September
The first month of the autumn, September, is still a warm month in Oak Glen, New Jersey, with an average temperature varying between 64.2°F (17.9°C) and 73.8°F (23.2°C).Temperature
The start of September involves a subtle temperature drop, shifting from a warm 79.7°F (26.5°C) in August to a still moderately hot 73.8°F (23.2°C). In Oak Glen, September is marked by an average low-temperature of 64.2°F (17.9°C).Humidity
The average relative humidity in September in Oak Glen is 77%.Rainfall
In September, the rain falls for 11.9 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. In Oak Glen, during the entire year, the rain falls for 133.4 days and collects up to 15.08" (383mm) of precipitation.Snowfall
April through October are months without snowfall in Oak Glen.Daylight
In Oak Glen, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Oak Glen is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oak Glen, NJ
- Average high temperature in September: 73.8°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in September
Oak Glen, 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
Oak Glen, NJ
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in September
Oak Glen, NJ
- Average humidity in September: 77%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in September
Oak Glen, NJ
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Oak Glen, NJ
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in September
Oak Glen, NJ
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Oak Glen, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.6 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
Oak Glen, 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: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Oak Glen, NJ
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in September
Oak Glen, 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, November and December (UV index 2).
Average cloud cover in September
Oak Glen, NJ
- Average cloud cover in September: 33
The months with the most cloud cover are February, March and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Oak Glen, 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).





