September weather forecastNashtown, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Nashtown, Kentucky, with an average temperature ranging between max 78.1°F (25.6°C) and min 57.7°F (14.3°C).Temperature
September signifies a gentle decline in Nashtown's average high-temperature, easing from 84.2°F (29°C) in August to a still moderately hot 78.1°F (25.6°C). In Nashtown, the average nighttime temperature during September is a refreshing 57.7°F (14.3°C).Humidity
The average relative humidity in September is 76%.Rainfall
The months with the least rainfall in Nashtown are January, September and October Rain falls for 10.2 days and accumulates 1.06" (27mm) of rain.Snowfall
In Nashtown, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Nashtown, sunrise is at 7:04 am and sunset at 8:03 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 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding direct sun during mid-day hours can prevent harmful UV radiation 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
Nashtown, KY
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Nashtown, KY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Nashtown, KY
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Nashtown, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Nashtown, KY
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is July (1.93").
The driest months (with the least rainfall) are January, September and October (1.06").
Average rainfall days in September
Nashtown, KY
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in September
Nashtown, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Nashtown, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Nashtown, KY
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Nashtown, KY
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in September
Nashtown, KY
- Average UV index in September: 4
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, November and December (UV index 2).
Average cloud cover in September
Nashtown, KY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Nashtown, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
