Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September brings a small shift in high-temperatures, falling from a warm 80.2°F (26.8°C) in August to a still moderately hot 74.3°F (23.5°C). Nighttime temperatures in West Creek record an average of 65.3°F (18.5°C) throughout September.Humidity
In West Creek, New Jersey, the average relative humidity in September is 77%.Rainfall
The months with the least rainfall in West Creek are January and September Rain falls for 8.9 days and accumulates 0.67" (17mm) of rain.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in West Creek is 12h and 26min.On the first day of September, sunrise is at 6:26 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
In West Creek, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. It's recommended to limit sun exposure when its radiation is at its peak during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
West Creek, NJ
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
West Creek, NJ
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
West Creek, NJ
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity in September
West Creek, NJ
- Average humidity in September: 77%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in September
West Creek, NJ
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is July (1.18").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in September
West Creek, NJ
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is July (12.6 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in September
West Creek, NJ
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
West Creek, NJ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
West Creek, NJ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
West Creek, NJ
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (15.6 days).
Average UV index in September
West Creek, 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 and December (UV index 2).
Average cloud cover in September
West Creek, NJ
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
West Creek, 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).
West Creek, New Jersey, USA
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