September weather forecastJersey City, NJ
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Jersey City, New Jersey, with an average temperature ranging between max 74.7°F (23.7°C) and min 61.5°F (16.4°C).Temperature
Jersey City observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 81.9°F (27.7°C) to a still warm 74.7°F (23.7°C). An average low-temperature of 61.5°F (16.4°C) is recorded in the month of September in Jersey City.Humidity
In September, the average relative humidity in Jersey City is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 2.2" (56mm) of precipitation.Snowfall
In Jersey City, snow does not fall in May through October.Ocean temperature
In September, the average ocean temperature is 70.2°F (21.2°C).Note: Swimming in water with a temperature of 70.2°F (21.2°C) is not a pleasurable experience for the majority. As the temperature falls below 69.8°F (21°C), it becomes increasingly hard to control one's breathing.
Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Jersey City, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.
Sunshine
The average sunshine in September in Jersey City is 8.9h.UV index
In Jersey City, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's recommended to limit sun exposure when its radiation is at its peak during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jersey City, NJ
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Jersey City, NJ
- Average pressure in September: 30.05"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
Jersey City, NJ
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Jersey City, NJ
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Jersey City, NJ
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Jersey City, NJ
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Jersey City, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Jersey City, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Jersey City, NJ
- Average sea temperature in September: 70.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in September /
Average sunshine in September
Jersey City, 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 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
Jersey City, NJ
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (17.8 days).
The months with the least sunshine days are June and July (11.3 days).
Average UV index in September
Jersey City, 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
Jersey City, NJ
- Average cloud cover in September: 35
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 30).
Average visibility in September
Jersey City, 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).
