Average Sunshine in Missouri for September





Number of Sunny Days

In the table below, the average number of Sunny Days for a city in Missouri is the total days this month when the sky is mostly clear. This includes the days when cloud covers up to 30% of the sky during daylight hours.

Partly Sunny Days have cloud covering from 40% to 70% of the sky during the daytime.

Total Days With Sun is a sum of the Sunny plus Partly Sunny days. The rest of the days are mainly overcast, with at least 80% cloud cover. All the numbers are annual averages, made from years of weather watching.

Days of sunshine in September
City Sunny Partly Sunny Total Days
With Sun
Columbia 11 8 19
Kansas City 12 8 20
St Louis 11 8 19
Springfield 12 7 19

Amount of Sun

Here's another way to look at how much sunshine a city gets. The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Again, these amounts are monthly averages based on many years of weather observations.

Percent sunshine for September
City % Sun
Columbia 60
Kansas City 66
St Louis 63
Springfield 67
Reference

National Climatic Data Center. Comparative Climatic Data.

Missouri Sunshine
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