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
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's 85.3°F (29.6°C) to a still moderately hot 79.3°F (26.3°C). Blue Moon experiences a dramatic descent in temperature during September, with the average nighttime reading settling at a moderate 56.8°F (13.8°C).Humidity
The average relative humidity in September in Blue Moon is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 1.73" (44mm) of precipitation.Snowfall
In Blue Moon, Kentucky, snow does not fall in May through September.Daylight
In Blue Moon, Kentucky, the average length of the day in September is 12h and 25min.On the first day of September in Blue Moon, Kentucky, sunrise is at 7:01 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.
Sunshine
In Blue Moon, Kentucky, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Blue Moon is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Take precautions - Protection against sunburn is recommended. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
What is the usual temperature for Blue Moon in September?
What is the average humidity in September in Blue Moon?
What is the driest month in Blue Moon?
How much does it rain in Blue Moon in September?
When it does not snow in Blue Moon?
Does it snow in Blue Moon in September?
How many hours of daylight does Blue Moon have in September?
What time are sunrise and sunset in September in Blue Moon?
How many hours of sunshine does Blue Moon have in September?
How high is the UV index in September in Blue Moon?
Average temperature in September
Blue Moon, KY
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in September
Blue Moon, KY
- Average pressure in September: 30.06"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Blue Moon, KY
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Blue Moon, KY
- Average humidity in September: 76%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are July, August and November (74%).
Average rainfall in September
Blue Moon, KY
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Blue Moon, KY
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in September
Blue Moon, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Blue Moon, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blue Moon, KY
- Average daylight in September: 12h and 2min
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 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Blue Moon, KY
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in September
Blue Moon, KY
- Average UV index in September: 4
The months with the highest UV index are June 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
Blue Moon, KY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Blue Moon, KY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Blue Moon, Kentucky, USA
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