September weather forecastMarrowbone, KY
September
Weather in September
September, the first month of the autumn in Marrowbone, is still a warm month, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 79.9°F (26.6°C).Temperature
September brings a minor shift in the average high-temperature, adjusting from a moderately hot 85.6°F (29.8°C) in August to a still warm 79.9°F (26.6°C). Throughout the nights in September, Marrowbone experiences an average low-temperature of 59.7°F (15.4°C).Humidity
In September, the average relative humidity is 77%.Rainfall
September is the month with the least rainfall in Marrowbone, Kentucky. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.Snowfall
In Marrowbone, snow does not fall in May through September.Daylight
In September, the average length of the day in Marrowbone, Kentucky, is 12h and 24min.On the first day of September, sunrise is at 6:13 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:26 pm CDT.
Sunshine
In September, the average sunshine in Marrowbone is 8.3h.UV index
The average daily maximum UV index in September in Marrowbone, Kentucky, is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Act with care - The need to guard against sun damage is communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marrowbone, KY
- Average high temperature in September: 79.9°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 (42.3°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Marrowbone, 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 (29.96"Hg).
Average wind speed in September
Marrowbone, KY
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Marrowbone, KY
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Marrowbone, KY
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is February (3.94").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in September
Marrowbone, KY
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.9 days).
Average snowfall in September
Marrowbone, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Marrowbone, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 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
Marrowbone, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Marrowbone, KY
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Marrowbone, 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
Marrowbone, KY
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility in September
Marrowbone, KY
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
