September weather forecastDunbar, KY
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dunbar, Kentucky, with temperature in the range of an average low of 61°F (16.1°C) and an average high of 80.2°F (26.8°C).Temperature
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 85.6°F (29.8°C) to a still moderately hot 80.2°F (26.8°C). In Dunbar, September's nights observe an average temperature dip to a comfortable 61°F (16.1°C).Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 1.54" (39mm) of precipitation.Snowfall
May through September are months without snowfall in Dunbar, Kentucky.Daylight
In September, the average length of the day in Dunbar is 12h and 25min.On the first day of September, sunrise is at 6:18 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:31 pm CDT.
Sunshine
In Dunbar, Kentucky, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Dunbar, Kentucky, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dunbar, KY
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in September: 61°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Dunbar, 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
Dunbar, KY
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in September
Dunbar, KY
- Average humidity in September: 75%
The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Dunbar, KY
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Dunbar, KY
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Dunbar, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dunbar, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.5 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
Dunbar, 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 42min
The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Dunbar, KY
- Average sunshine days in September: 14.8 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Dunbar, 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
Dunbar, KY
- Average cloud cover in September: 30
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Dunbar, KY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





