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 onset of September in Winchester brings a small shift in high-temperatures, falling from 83.8°F (28.8°C) in August to a still warm 77.9°F (25.5°C). Winchester, during September, witnesses an average low-temperature of 58.6°F (14.8°C).Humidity
In September, the average relative humidity is 76%.Rainfall
In Winchester, in September, during 11.4 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Winchester, during the entire year, the rain falls for 155.4 days and collects up to 28.86" (733mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Winchester is 12h and 25min.On the first day of September, sunrise is at 7:07 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm EDT.
Sunshine
In Winchester, Kentucky, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Winchester is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Winchester?
What is the average humidity in September in Winchester?
How much does it rain in Winchester in September?
When it does not snow in Winchester?
What is the average length of the day in September in Winchester?
What time are sunrise and sunset in September in Winchester?
How many hours of sunshine does Winchester have in September?
How high is the UV index in September in Winchester?
Average temperature in September
Winchester, KY
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in September
Winchester, 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 (29.96"Hg).
Average wind speed in September
Winchester, KY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Winchester, KY
- Average humidity in September: 76%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Winchester, KY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is October (1.73").
Average rainfall days in September
Winchester, KY
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Winchester, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Winchester, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Winchester, 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 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Winchester, KY
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is February (11 days).
Average UV index in September
Winchester, 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
Winchester, KY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Winchester, 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).
Winchester, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location