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 minor shift in the average high-temperature, adjusting from 85.1°F (29.5°C) in August to a still moderately hot 79°F (26.1°C). During the nights in September, Marydell records a pronounced shift from the daytime warmth, with a consistent average temperature of 57.2°F (14°C).Humidity
April, June, August through November, with an average relative humidity of 76%, are the least humid months.Rainfall
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 1.81" (46mm) of precipitation.Snowfall
In Marydell, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:19 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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 much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Marydell have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Marydell, KY
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Marydell, KY
- Average pressure in September: 30.04"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
Marydell, KY
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Marydell, 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 April, June, August, September, October and November (76%).
Average rainfall in September
Marydell, KY
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Marydell, KY
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (11 days).
Average snowfall in September
Marydell, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Marydell, 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
Marydell, 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 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 12min).
Average sunshine days in September
Marydell, KY
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Marydell, 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 and December (UV index 2).
Average cloud cover in September
Marydell, 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 31).
Average visibility in September
Marydell, 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).
Marydell, Kentucky, USA
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