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
As September arrives, Edwardsville's weather displays a minor decrease in high-temperatures, transitioning from August's 84.9°F (29.4°C) to a still moderately hot 78.4°F (25.8°C). Edwardsville, during the nights of September, experiences an average temperature drop to a moderate 59.5°F (15.3°C).Humidity
The average relative humidity in September in Edwardsville is 74%.Rainfall
In Edwardsville, during September, the rain falls for 12 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, in Edwardsville, there are 128.7 rainfall days, and 25.83" (656mm) of precipitation is accumulated.Snowfall
In Edwardsville, snow does not fall in June through September.Daylight
The average length of the day in September in Edwardsville is 12h and 26min.On the first day of September, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Edwardsville?
What is the average humidity in September in Edwardsville?
How much does it rain in Edwardsville in September?
When it does not snow in Edwardsville?
Does it snow in Edwardsville in September?
What is the average length of the day in September in Edwardsville?
When are sunrise and sunset in September in Edwardsville?
How long on average sun shines in September in Edwardsville?
How high is the UV index in September in Edwardsville?
Average temperature in September
Edwardsville, KS
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Edwardsville, KS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Edwardsville, KS
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are February, March and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Edwardsville, KS
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Edwardsville, KS
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Edwardsville, KS
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Edwardsville, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Edwardsville, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Edwardsville, KS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Edwardsville, KS
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Edwardsville, KS
- Average UV index in September: 5
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
Edwardsville, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Edwardsville, KS
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Edwardsville, Kansas, USA
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