September weather forecastClifty, KY
September
Weather in September
The first month of the autumn, September, is still a warm month in Clifty, Kentucky, with an average temperature fluctuating between 61.5°F (16.4°C) and 80.1°F (26.7°C).Temperature
As Clifty enters September, the average high-temperature subtly lowers from the a warm 85.8°F (29.9°C) of August to a still moderately hot 80.1°F (26.7°C). September witnesses an average nighttime temperature of 61.5°F (16.4°C).Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.77" (45mm) of precipitation.Snowfall
In Clifty, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:16 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:32 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clifty, KY
- Average high temperature in September: 80.1°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 (42.1°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Clifty, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Clifty, KY
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Clifty, KY
- Average humidity in September: 75%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Clifty, KY
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Clifty, KY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Clifty, KY
- Average snowfall in September: 0"
The months with the highest snowfall are January and March (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Clifty, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clifty, KY
- Average daylight in September: 12h and 24min
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 42min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
Clifty, KY
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Clifty, KY
- Average UV index in September: 5
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
Clifty, KY
- Average cloud cover in September: 30
The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Clifty, KY
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
