Kansas City · September
Run in the morning.
Comfortable average high of 81°F, dipping to 64°F at night. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
Avg high / low
81° / 64°F
Humidity
68%
Rain days
9/mo
Wind
10 mph
What September feels like in Kansas City
Sunrise
06:60
Mid-month average
Sunset
19:25
Mid-month average
Time-of-day breakdown
Morning
Steady cool air, low wind, and good light. The standard runner window in most months.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in Kansas City in September
The kit for September in Kansas City: shorts and a short-sleeve are the standard kit.
September vs the surrounding months
vs August
-5° avg high
-5 rain days
Kansas City in August →
September
81°F avg high
9 rain days
Best: morning
vs October
+14° avg high
-2 rain days
Kansas City in October →
Frequently Asked Questions
What is the best time of day to run in Kansas City in September?+
Morning. Comfortable conditions all day, but morning consistently delivers the best combination of cool air and clear skies.
What's the average temperature in Kansas City in September?+
Average high 81°F, average low 64°F.
How does September compare to surrounding months in Kansas City?+
Compared to August (avg high 86°F), September is cooler. Compared to October (avg high 67°F), September is warmer.
Does it rain often in Kansas City in September?+
Expect about 9 measurable rain days in September, on average.