September weather forecastSterling Forest, NY
September
Weather in September
The first month of the autumn, September, is still a warm month in Sterling Forest, New York, with temperature in the range of an average high of 73.9°F (23.3°C) and an average low of 55°F (12.8°C).Temperature
Sterling Forest's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 80.8°F (27.1°C) in August to a still moderately hot 73.9°F (23.3°C). During September, an average low-temperature of 55°F (12.8°C) is observed.Humidity
The average relative humidity in September is 78%.Rainfall
In Sterling Forest, New York, in September, during 11.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, in Sterling Forest, there are 137.6 rainfall days, and 23.31" (592mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - Avoiding sunburn is suggested. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sterling Forest, NY
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Sterling Forest, NY
- 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
Sterling Forest, NY
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Sterling Forest, NY
- Average humidity in September: 78%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Sterling Forest, NY
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Sterling Forest, NY
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Sterling Forest, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sterling Forest, NY
- 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 June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sterling Forest, NY
- 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Sterling Forest, NY
- Average sunshine days in September: 16.2 days
The months with the most sunshine days are January and November (21 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Sterling Forest, NY
- 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
Sterling Forest, NY
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Sterling Forest, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, August, September and October (5mi).
