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
September's arrival signals a moderate reduction in the average high-temperature, easing from 85.6°F (29.8°C) in August to a still moderately hot 79.5°F (26.4°C). Flat Fork reports a considerable drop from daytime temperatures in September, recording an average nighttime figure of 57.7°F (14.3°C).Humidity
The average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 2.01" (51mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Flat Fork, Kentucky, sunrise is at 7:02 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:16 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Flat Fork is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the temperature in September in Flat Fork?
What is the average humidity in September in Flat Fork?
What is the driest month in Flat Fork?
How much does it rain in Flat Fork in September?
When it does not snow in Flat Fork?
Does it snow in Flat Fork in September?
What is the average length of the day in September in Flat Fork?
When is the sunrise / sunset in September in Flat Fork?
How long on average sun shines in September in Flat Fork?
What is the UV index reading in September in Flat Fork?
Average temperature in September
Flat Fork, KY
- Average high temperature in September: 79.5°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 (40.1°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Flat Fork, 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 (29.98"Hg).
Average wind speed in September
Flat Fork, KY
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Flat Fork, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in September
Flat Fork, KY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Flat Fork, KY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in September
Flat Fork, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Flat Fork, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flat Fork, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Flat Fork, KY
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Flat Fork, 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
Flat Fork, KY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Flat Fork, KY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).
Flat Fork, Kentucky, USA
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