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
Ellisville's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 84.4°F (29.1°C) in August to a still moderately hot 78.1°F (25.6°C). September is noted for a mean low-temperature of 58.6°F (14.8°C).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 2.01" (51mm) of precipitation.Snowfall
In Ellisville, snow does not fall in May through September.Daylight
In Ellisville, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:06 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:20 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ellisville in September?
What are the least humid months?
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?
Does it snow in September?
How many hours of daylight does Ellisville have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September in Ellisville?
Average temperature in September
Ellisville, KY
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in September
Ellisville, 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
Ellisville, KY
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Ellisville, KY
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in September
Ellisville, KY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Ellisville, KY
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in September
Ellisville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Ellisville, 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
Ellisville, 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 30min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Ellisville, KY
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is February (10 days).
Average UV index in September
Ellisville, 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
Ellisville, KY
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Ellisville, KY
- Average visibility in September: 6mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).
Ellisville, Kentucky, USA
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