September weather forecastColts Neck, NJ
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Colts Neck, New Jersey, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 74.1°F (23.4°C).Temperature
Colts Neck's weather subtly changes with the onset of September, barely falling from a warm 80.2°F (26.8°C) in August to a still moderately hot 74.1°F (23.4°C). Colts Neck experiences an average low-temperature reading of 63.5°F (17.5°C) throughout September.Humidity
In Colts Neck, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall in Colts Neck is September, when the rain falls for 6 days and typically collects 0.12" (3mm) of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Colts Neck, New Jersey, 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 7:28 pm. On the last day of September, in Colts Neck, sunrise is at 6:52 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine in Colts Neck is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Colts Neck, NJ
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 63.5°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Colts Neck, 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
Colts Neck, NJ
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Colts Neck, NJ
- Average humidity in September: 76%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Colts Neck, NJ
- Average rainfall in September: 0.12"
The wettest month (with the highest rainfall) is July (0.71").
The driest month (with the least rainfall) is September (0.12").
Average rainfall days in September
Colts Neck, NJ
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is July (8 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Colts Neck, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Colts Neck, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Colts Neck, 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
Colts Neck, NJ
- Average sunshine days in September: 22.1 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in September
Colts Neck, 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
Colts Neck, NJ
- Average cloud cover in September: 33
The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Colts Neck, 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).





