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 start of September involves a subtle temperature drop, shifting from a moderately hot 82.2°F (27.9°C) in August to a still warm 76.6°F (24.8°C). A steep decline to a cool 55°F (12.8°C) characterizes the September nights in Holmes Mill.Humidity
In September, the average relative humidity is 78%.Rainfall
September and November are months with the least rain when the rain falls for 16.7 days and typically aggregates up to 2.87" (73mm) of rain.Snowfall
In Holmes Mill, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:59 pm. On the last day of September, in Holmes Mill, sunrise is at 7:27 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September in Holmes Mill, Kentucky, is 7.9h.UV index
The average daily maximum UV index in September in Holmes Mill is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are September temperatures in Holmes Mill?
What is the average humidity in September in Holmes Mill?
What is the driest month in Holmes Mill?
How much does it rain in Holmes Mill in September?
When it does not snow in Holmes Mill?
Does it snow in Holmes Mill in September?
How many hours of daylight does Holmes Mill have in September?
What time are sunrise and sunset in September in Holmes Mill?
How many hours of sunshine does Holmes Mill have in September?
What is the UV index intensity in September in Holmes Mill?
Average temperature in September
Holmes Mill, KY
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Holmes Mill, KY
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in September
Holmes Mill, KY
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Holmes Mill, KY
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Holmes Mill, KY
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is July (4.65").
The driest months (with the least rainfall) are September and November (2.87").
Average rainfall days in September
Holmes Mill, KY
- Average rainfall days in September: 16.7 days
The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is November (11.9 days).
Average snowfall in September
Holmes Mill, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Holmes Mill, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holmes Mill, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Holmes Mill, KY
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in September
Holmes Mill, KY
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Holmes Mill, KY
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Holmes Mill, KY
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Holmes Mill, Kentucky, USA
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