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 start of September involves a subtle temperature drop, shifting from a warm 83.7°F (28.7°C) in August to a still moderately hot 77.9°F (25.5°C). Mary Alice experiences a significant contrast between daily highs and an average nighttime temperature of 56.3°F (13.5°C) during September.Humidity
In Mary Alice, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.3 days and typically collects 2.24" (57mm) of precipitation.Snowfall
In Mary Alice, Kentucky, snow does not fall in May through September.Daylight
In Mary Alice, the average length of the day in September is 12h and 24min.On the first day of September in Mary Alice, Kentucky, sunrise is at 7:04 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:17 pm EDT.
Sunshine
In Mary Alice, the average sunshine in September is 8.4h.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 ordinary individuals.Note: In September, the UV index of 5 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. 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
What is the temperature in September in Mary Alice?
What is the average humidity in September in Mary Alice?
What is the driest month in Mary Alice?
How much does it rain in Mary Alice in September?
When it does not snow in Mary Alice?
Does it snow in Mary Alice in September?
How many hours of daylight does Mary Alice have in September?
When is the sunrise / sunset in September in Mary Alice?
How long on average sun shines in September in Mary Alice?
What is the UV index intensity in September in Mary Alice?
Average temperature in September
Mary Alice, KY
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in September
Mary Alice, KY
- Average pressure in September: 30.05"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Mary Alice, KY
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Mary Alice, KY
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April, June, August and November (77%).
Average rainfall in September
Mary Alice, KY
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is February (4.57").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in September
Mary Alice, KY
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in September
Mary Alice, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mary Alice, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 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
Mary Alice, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 2min
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 24min).
Average sunshine days in September
Mary Alice, KY
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in September
Mary Alice, KY
- Average UV index in September: 5
The months with the highest UV index are May, June 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
Mary Alice, KY
- Average cloud cover in September: 34
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Mary Alice, KY
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Mary Alice, Kentucky, USA
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