September weather forecastColumbus, NJ
September
Weather in September
The first month of the autumn, September, is still a warm month in Columbus, New Jersey, with an average temperature ranging between min 60.1°F (15.6°C) and max 76.1°F (24.5°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 82.9°F (28.3°C) in August to a still warm 76.1°F (24.5°C). The low-temperature in Columbus averages to a moderate 60.1°F (15.6°C) during the nights of September.Humidity
In Columbus, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall in Columbus is September, when the rain falls for 9.5 days and typically collects 0.55" (14mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:42 pm EDT.
Sunshine
In Columbus, New Jersey, the average sunshine in September is 8.9h.UV index
In Columbus, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Columbus, NJ
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Columbus, 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
Columbus, NJ
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Columbus, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are February and October (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Columbus, NJ
- Average rainfall in September: 0.55"
The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in September
Columbus, NJ
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Columbus, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Columbus, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Columbus, 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 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Columbus, NJ
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in September
Columbus, 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
Columbus, NJ
- Average cloud cover in September: 37
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Columbus, 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).
