September weather forecastWest Clarksville, NY
September
Weather in September
September, the first month of the autumn in West Clarksville, is also an agreeable month, with an average temperature varying between 69.6°F (20.9°C) and 49.8°F (9.9°C).Temperature
The advent of September brings a slight shift in average high-temperature, moving from a warm 75.7°F (24.3°C) in August to an agreeable 69.6°F (20.9°C). During September, an average low-temperature of 49.8°F (9.9°C) is observed.Humidity
The average relative humidity in September in West Clarksville is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 15.5 days and accumulates 1.85" (47mm) of precipitation.Snowfall
In West Clarksville, snow does not fall in June through September.Daylight
In West Clarksville, the average length of the day in September is 12h and 28min.On the first day of September in West Clarksville, sunrise is at 6:39 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:55 pm EDT.
Sunshine
In West Clarksville, the average sunshine in September is 8.3h.UV index
In West Clarksville, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
West Clarksville, NY
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
West Clarksville, 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
West Clarksville, NY
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
West Clarksville, NY
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in September
West Clarksville, NY
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is April (3.07").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
West Clarksville, NY
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
West Clarksville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (11.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Clarksville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Clarksville, NY
- Average daylight in September: 12h and 30min
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 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
West Clarksville, NY
- Average sunshine days in September: 12 days
The month with the most sunshine days is September (12 days).
The month with the least sunshine days is February (5.2 days).
Average UV index in September
West Clarksville, 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
West Clarksville, NY
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
West Clarksville, NY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).
