September weather forecastRoark, KY
September
Weather in September
September, the first month of the autumn in Roark, is also a moderately hot month, with an average temperature varying between 56.3°F (13.5°C) and 77.9°F (25.5°C).Temperature
Roark in September undergoes a slight reduction in the average high-temperature, shifting from August's 83.7°F (28.7°C) to a still moderately hot 77.9°F (25.5°C). From the heights of the September heat, Roark records a mean nighttime low of 56.3°F (13.5°C).Humidity
In September, the average relative humidity is 78%.Rainfall
September is the month with the least rainfall in Roark. Rain falls for 15.3 days and accumulates 2.24" (57mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:05 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roark, KY
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Roark, KY
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Roark, KY
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Roark, KY
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April, June, August and November (77%).
Average rainfall in September
Roark, KY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is February (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in September
Roark, KY
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in September
Roark, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Roark, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Roark, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Roark, KY
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in September
Roark, KY
- Average UV index in September: 5
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Roark, KY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Roark, KY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
