September weather forecastValley Oak, KY
September
Weather in September
September, the first month of the autumn in Valley Oak, is still a warm month, with an average temperature ranging between max 79.5°F (26.4°C) and min 59°F (15°C).Temperature
With the arrival of September, Valley Oak notices a mild change in the average high-temperature, sliding from August's 85.5°F (29.7°C) to a still warm 79.5°F (26.4°C). Valley Oak's nights in September experience an average temperature drop to a refreshing 59°F (15°C).Humidity
In Valley Oak, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.2 days and accumulates 2.2" (56mm) 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 the month, sunrise is at 7:09 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine in Valley Oak, Kentucky, is 8.3h.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 unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Valley Oak, KY
- Average high temperature in September: 79.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in September
Valley Oak, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Valley Oak, KY
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Valley Oak, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Valley Oak, KY
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Valley Oak, KY
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (11.2 days).
Average snowfall in September
Valley Oak, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Valley Oak, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Valley Oak, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Valley Oak, KY
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (16.6 days).
The months with the least sunshine days are February and July (10.1 days).
Average UV index in September
Valley Oak, KY
- Average UV index in September: 5
The months with the highest UV index are May, 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
Valley Oak, KY
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Valley Oak, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
