Early autumn · Weather & things to do
Kansas City in September
Kansas City cools off: highs slip to 80°F (27°C), from 88°F in August, with lows of 58°F (14°C) and about 3.6 in (91 mm) of rain.
September opens the best stretch on our comfort score, at 89/100 (the top score of the year).
- Avg high
- 80°F (27°C)
- Avg low
- 58°F (14°C)
- Rain
- 3.6 in (91 mm)
- Humidity
- 71%
- Cloud cover
- 42%
- Daylight
- ~12 h 14 min
- Comfort score
- 89/100 · Great
What September feels like
Warm afternoons near 80°F (27°C) make long days outdoors easy.
Mornings start much cooler: lows average 58°F (14°C), about 12°C (22°F) below the afternoon high.
Showers are part of the month, adding up to about 3.6 in (91 mm).
Plan around September
September is one of Kansas City's best months on the climate data.
- Last warm month for a while: October highs fall to 66°F.
- Opens the best-scoring stretch on our comfort score: September & October.
- Comfort improves from 69/100 in August to 89/100.
- September sits inside the Apr – Oct window our Kansas City to Omaha route recommends.
What to pack for September
- Light, breathable clothes80°F afternoons
- A warm layer for eveningsnights drop to 58°F
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Kansas City in September
September is good outdoor weather here, so these picks lean toward the open air.
Union Station Kansas City
1914 rail station with a grand hall, science center and model railroad exhibit.
Boulevard Brewing Company
KC's largest brewery, with tours and a rooftop beer hall.
Tom's Town Distilling Co.
Art Deco distillery and cocktail bar named for Prohibition-era boss Tom Pendergast.
Nelson-Atkins Museum of Art
Free encyclopedic museum with the giant Shuttlecocks on its sculpture lawn.
Arthur Bryant's Barbeque
Barbecue institution with vinegar-forward sauce and piles of burnt ends.
Nearby in September
- Lawrence in September~36 mi · highs 80°F, 3.6 in rain · similar daytime temperatures, about as wet
- Springfield in September~148 mi · highs 81°F, 3.8 in rain · similar daytime temperatures, about as wet
- Omaha in September~165 mi · highs 78°F, 3.3 in rain · similar daytime temperatures, about as wet
- Des Moines in September~179 mi · highs 78°F, 3.4 in rain · 1°C (2°F) cooler by day, about as wet
These averages also cover Country Club Plaza and Downtown Kansas City.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Kansas City in September: quick answers
Is September a good time to visit Kansas City?
Yes. On the climate data it's one of the best months, scoring 89/100. Expect highs of 80°F (27°C) and 3.6 in (91 mm) of rain. September is inside the Apr – Oct window our Kansas City to Omaha route recommends.
How hot is Kansas City in September?
Average highs are 80°F (27°C) and average lows 58°F (14°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Kansas City in September?
Some: about 3.6 in (91 mm) of rain falls across September on average, the 6th-wettest month of the year. The annual total is about 40.9 in (1039 mm).
What should I pack for Kansas City in September?
Bring light, breathable clothes (80°F afternoons), a warm layer for evenings (nights drop to 58°F), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
More on Kansas City
Routes in season in September
- Kansas City to Omaha Apr – Oct
Planning Kansas City in September?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.