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 brings a slight decrease in temperature, down from a moderately hot 83.8°F (28.8°C) in August to a still warm 78.1°F (25.6°C). Lancaster observes an average nighttime low-temperature of 58.8°F (14.9°C) during the month of September.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 in Lancaster. Rain falls for 14 days and accumulates 2.44" (62mm) of precipitation.Snowfall
May through October are months without snowfall in Lancaster, Kentucky.Daylight
In Lancaster, the average length of the day in September 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
The average sunshine in September is 8.2h.UV index
In Lancaster, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the temperature in September in Lancaster?
What is the least humid month in Lancaster?
What is the average humidity in September in Lancaster?
What is the driest month in Lancaster?
How much does it rain in Lancaster in September?
When it does not snow in Lancaster?
What is the average length of the day in September in Lancaster?
When is the sunrise / sunset in September in Lancaster?
How many hours of sunshine does Lancaster have in September?
How high is the UV index in September in Lancaster?
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
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