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 arrival of September suggests a slight decrease in the average high-temperature, moving from a moderately hot 77.5°F (25.3°C) in August to a pleasant 70.3°F (21.3°C). During the nights in September, Coopers Plains experiences a consistent average temperature of 50.2°F (10.1°C).Humidity
In September, the average relative humidity in Coopers Plains is 81%.Rainfall
In September, the rain falls for 13 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 163.4 rainfall days, and 23.15" (588mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Coopers Plains, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:41 pm. On the last day of September, in Coopers Plains, sunrise is at 7:05 am and sunset at 6:51 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Coopers Plains, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Exercise prevention - Warding off sunburn is urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Coopers Plains, NY
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Coopers Plains, NY
- Average pressure in September: 30.06"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
Coopers Plains, NY
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Coopers Plains, NY
- Average humidity in September: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May, June and July (78%).
Average rainfall in September
Coopers Plains, NY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is July (2.52").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
Coopers Plains, NY
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Coopers Plains, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Coopers Plains, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Coopers Plains, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Coopers Plains, NY
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in September
Coopers Plains, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Coopers Plains, NY
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Coopers Plains, NY
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Coopers Plains, New York, USA
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