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 begins, there is a minor decrease in the average high-temperature, softly falling from 85.6°F (29.8°C) in August to a still moderately hot 78.6°F (25.9°C). Throughout September, the temperature tends to fall to a consistent average low of 60.6°F (15.9°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Iola, in September, during 12.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 131.5 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
In Iola, snow does not fall in April, June through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:52 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:05 pm CDT.
Sunshine
In September, the average sunshine is 9h.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 the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Exercise prevention - Precautions against solar damage are endorsed. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September in Iola?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Iola have in September?
How high is the UV index in September?
Average temperature in September
Iola, KS
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Iola, KS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Iola, KS
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are March and April (11.2mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Iola, KS
- Average humidity in September: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in September
Iola, KS
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (5.43").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Iola, KS
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
Iola, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in September
Iola, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Iola, KS
- 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 36min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Iola, KS
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (13.4 days).
Average UV index in September
Iola, KS
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Iola, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
Iola, 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).
Iola, Kansas, USA
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