September weather forecastTeterboro, NJ
September
Weather in September
September, the first month of the autumn in Teterboro, is also a moderately hot month, with an average temperature ranging between max 75.4°F (24.1°C) and min 60.4°F (15.8°C).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 82.4°F (28°C) in August to a still moderately hot 75.4°F (24.1°C). September brings Teterboro a consistent average low-temperature of 60.4°F (15.8°C).Humidity
The average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.61" (41mm) of precipitation.Snowfall
In Teterboro, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of September, in Teterboro, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Teterboro, NJ
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in September
Teterboro, NJ
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Teterboro, NJ
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in September
Teterboro, NJ
- Average humidity in September: 74%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Teterboro, NJ
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Teterboro, NJ
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in September
Teterboro, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Teterboro, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.3 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
Teterboro, 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 48min
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 42min).
Average sunshine days in September
Teterboro, NJ
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are May and June (12.7 days).
Average UV index in September
Teterboro, 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
Teterboro, NJ
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Teterboro, 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).





