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 a hot 86.5°F (30.3°C) in August to a warm 80.1°F (26.7°C). September in De Soto sees the temperature falling to a mean low of 59.5°F (15.3°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In De Soto, during September, the rain falls for 10.3 days and regularly aggregates up to 1.02" (26mm) of precipitation. In De Soto, during the entire year, the rain falls for 124.5 days and collects up to 16.26" (413mm) of precipitation.Snowfall
April through October are months without snowfall in De Soto.Daylight
The average length of the day in September in De Soto is 12h and 25min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of September, in De Soto, sunrise is at 6:57 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine in De Soto is 9.5h.UV index
The average daily maximum UV index in September in De Soto is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for De Soto in September?
What is the average humidity in September in De Soto?
How many days does it rain in September in De Soto?
When it does not snow in De Soto?
What is the average length of the day in September in De Soto?
When are sunrise and sunset in September in De Soto?
How many hours of sunshine does De Soto have in September?
What is the UV index reading in September in De Soto?
Average temperature in September
De Soto, MO
- Average high temperature in September: 80.1°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 (39°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
De Soto, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
De Soto, MO
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
De Soto, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
De Soto, MO
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
De Soto, MO
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
De Soto, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
De Soto, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
De Soto, MO
- 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
De Soto, MO
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is December (21.6 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
De Soto, MO
- 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 and December (UV index 2).
Average cloud cover in September
De Soto, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
De Soto, MO
- 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).
De Soto, Missouri, USA
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