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
Lancaster's weather subtly changes with the onset of September, barely falling from a warm 83.8°F (28.8°C) in August to a still moderately hot 78.1°F (25.6°C). Lancaster, during September, witnesses an average low-temperature of 58.8°F (14.9°C).Humidity
The months with the lowest humidity are August through October, with an average relative humidity of 76%.Rainfall
September is the month with the least rainfall. Rain falls for 14 days and accumulates 2.44" (62mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
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?
How many hours of daylight does Lancaster have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Lancaster, KY
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in September: 58.8°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in September
Lancaster, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Lancaster, KY
- Average wind speed in September: 5.4mph
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 (5mph).
Average humidity in September
Lancaster, 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, September and October (76%).
Average rainfall in September
Lancaster, KY
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is July (3.74").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in September
Lancaster, KY
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in September
Lancaster, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Lancaster, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 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
Lancaster, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Lancaster, KY
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in September
Lancaster, 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
Lancaster, 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
Lancaster, KY
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).
Lancaster, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location