September weather forecastTwin Rivers, NJ
September
Weather in September
The first month of the autumn, September, is still a warm month in Twin Rivers, New Jersey, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 60.4°F (15.8°C).Temperature
September signals a slight drop in average high-temperature, sliding from August's 81.9°F (27.7°C) to a still warm 75.4°F (24.1°C). Twin Rivers, during the month of September, experiences an average low-temperature of 60.4°F (15.8°C).Humidity
In Twin Rivers, New Jersey, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Twin Rivers. Rain falls for 13.4 days and accumulates 1.69" (43mm) of precipitation.Snowfall
June through October are months without snowfall in Twin Rivers.Daylight
The average length of the day in September in Twin Rivers is 12h and 27min.On the first day of September, sunrise is at 6:26 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.
Sunshine
In September, the average sunshine in Twin Rivers is 8.8h.UV index
In September, the average daily maximum UV index in Twin Rivers is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Twin Rivers, NJ
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 60.4°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in September
Twin Rivers, 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
Twin Rivers, NJ
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in September
Twin Rivers, NJ
- Average humidity in September: 78%
The months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Twin Rivers, NJ
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Twin Rivers, NJ
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in September
Twin Rivers, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Twin Rivers, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 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
Twin Rivers, 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 48min
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
Twin Rivers, NJ
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Twin Rivers, 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, March, November and December (UV index 2).
Average cloud cover in September
Twin Rivers, NJ
- Average cloud cover in September: 36
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Twin Rivers, 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).





