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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a warm 84.2°F (29°C) in August to a still moderately hot 77.9°F (25.5°C). Old Washington experiences an average low-temperature of 57.7°F (14.3°C) in the month of September.Humidity
The months with the lowest humidity in Old Washington are April, August through November, with an average relative humidity of 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.65" (42mm) of precipitation.Snowfall
In Old Washington, snow does not fall in May through September.Daylight
In Old Washington, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:19 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the least humid month?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Old Washington have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Old Washington have in September?
What is the UV index reading in September?
Average temperature in September
Old Washington, KY
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Old Washington, KY
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Old Washington, KY
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Old Washington, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, August, September, October and November (76%).
Average rainfall in September
Old Washington, KY
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Old Washington, KY
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in September
Old Washington, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Old Washington, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Old Washington, 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 30min).
- 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
Old Washington, KY
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10 days).
Average UV index in September
Old Washington, 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, November and December (UV index 2).
Average cloud cover in September
Old Washington, KY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Old Washington, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Old Washington, Kentucky, USA
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