September weather forecastOldwick, NJ
September
Weather in September
September, the first month of the autumn in Oldwick, is also a moderately hot month, with an average temperature varying between 57.6°F (14.2°C) and 75.2°F (24°C).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from 82.2°F (27.9°C) in August to a still moderately hot 75.2°F (24°C). During the month of September, the temperature generally drops to a low average of 57.6°F (14.2°C).Humidity
In September, the average relative humidity is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.3 days and typically collects 1.57" (40mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Oldwick, the average length of the day in September is 12h and 27min.On the first day of September in Oldwick, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Oldwick, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oldwick, NJ
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in September
Oldwick, 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
Oldwick, NJ
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Oldwick, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Oldwick, NJ
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Oldwick, NJ
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in September
Oldwick, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oldwick, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oldwick, NJ
- Average daylight in September: 12h and 30min
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 18min).
- Average sunshine in September: 8h and 42min
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 36min).
Average sunshine days in September
Oldwick, NJ
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in September
Oldwick, 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
Oldwick, NJ
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Oldwick, NJ
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





