Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 85.1°F (29.5°C) to a still warm 78.8°F (26°C). Bluestone registers a substantial downturn from daytime peaks throughout September nights, with an average low-temperature of 57.2°F (14°C).Humidity
In Bluestone, the average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.93" (49mm) of precipitation.Snowfall
In Bluestone, snow does not fall in May through September.Daylight
The average length of the day in September in Bluestone is 12h and 25min.On the first day of the month, sunrise is at 7:04 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine in Bluestone is 8.3h.UV index
The average daily maximum UV index in September in Bluestone is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the average September temperature in Bluestone?
What is the average humidity in September in Bluestone?
What is the driest month in Bluestone?
How many days does it rain in September in Bluestone?
When it does not snow in Bluestone?
Does it snow in Bluestone in September?
What is the average length of the day in September in Bluestone?
When are sunrise and sunset in September in Bluestone?
How many hours of sunshine does Bluestone have in September?
What is the UV index intensity in September in Bluestone?
Average temperature in September
Bluestone, KY
- Average high temperature in September: 78.8°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 (38.7°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Bluestone, KY
- Average pressure in September: 30.04"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
Bluestone, KY
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Bluestone, 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
Bluestone, KY
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Bluestone, KY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Bluestone, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bluestone, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bluestone, KY
- Average daylight in September: 12h and 2min
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 36min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Bluestone, KY
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Bluestone, 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 and December (UV index 2).
Average cloud cover in September
Bluestone, KY
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Bluestone, 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).
Bluestone, Kentucky, USA
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