September weather forecastBoone Furnace, KY
September
Weather in September
September, the first month of the autumn in Boone Furnace, is also a moderately hot month, with an average temperature ranging between max 78.8°F (26°C) and min 57.4°F (14.1°C).Temperature
September signifies a minor drop in average high-temperature, transitioning from 85.3°F (29.6°C) in August to a still warm 78.8°F (26°C). During September, the average low-temperature is a mild 57.4°F (14.1°C).Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.97" (50mm) of precipitation.Snowfall
In Boone Furnace, snow does not fall in May through September.Daylight
In September, the average length of the day in Boone Furnace is 12h and 25min.On the first day of September, sunrise is at 7:02 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Boone Furnace is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Boone Furnace, KY
- Average high temperature in September: 78.8°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 (38.7°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in September
Boone Furnace, KY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Boone Furnace, KY
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Boone Furnace, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Boone Furnace, KY
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Boone Furnace, KY
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Boone Furnace, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Boone Furnace, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Boone Furnace, 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 24min
The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Boone Furnace, KY
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Boone Furnace, 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
Boone Furnace, KY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Boone Furnace, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).





