Kansas City weather in September
Kansas City in September averages 20°C (69°F) and 102 mm of rain.
Of the twelve months in Kansas City, September is the fourth warmest and the sixth wettest.
- Average temp
- 20°C (69°F)
14–26°C · 58–79°F
- Rainfall
- 102 mm
Showers likely
- Sunshine
- —
- Wind
- 15 km/h
What is Kansas City like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Kansas City in September?
A light rain jacket
About 102 mm falls this month — showers rather than washouts.
A layer for the evening
The day swings about 12°C between its low and its high.
September compared with August and October
September in Kansas City is 4.5°C cooler than August and about as wet as it, which averages 25°C (77°F).
September in Kansas City is 6.8°C warmer than October and 21 mm wetter than it, which averages 14°C (56°F).
Daylight in Kansas City in September
On 15 September the sun is up for 12 hours 25 minutes in Kansas City, rising about 07:00 and setting about 19:25 local time.
September ends 1 hour 12 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 2 hours 29 minutes short of June, the longest-lit month here.
Where to stay in Kansas City
Dates are a starting point for September.
Travel guides for Kansas City
What to read before you book.
Kansas City weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | -2°C / 29°F | 29 mm |
| February | 1°C / 34°F | 36 mm |
| March | 7°C / 45°F | 57 mm |
| April | 13°C / 55°F | 102 mm |
| May | 18°C / 65°F | 137 mm |
| June | 24°C / 74°F | 134 mm |
| July | 26°C / 78°F | 114 mm |
| August | 25°C / 77°F | 106 mm |
| September | 20°C / 69°F | 102 mm |
| October | 14°C / 56°F | 80 mm |
| November | 7°C / 44°F | 50 mm |
| December | 1°C / 33°F | 40 mm |
Similar weather in September
Other destinations whose September averages sit close to this one.
Check another month
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FAQs about Kansas City in September
September climate averages for Kansas City, 1991–2020.
Kansas City averages 20°C (69°F) in September, ranging from about 14°C (58°F) at night to 26°C (79°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 102 mm falls across September, enough to need a light jacket but not enough to reshape a trip.
Yes. September averages 20°C (69°F) against 14°C (56°F) in October — 6.8°C warmer.
September is 4.5°C cooler than August, and about as wet.
Yes. September falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 25 minutes of daylight in mid-September, against 14 hours 54 minutes in June and 9 hours 26 minutes in December.
On 15 September, sunrise is about 07:00 and sunset about 19:25 local time. Both shift across the month — the month ends 1 hour 12 minutes shorter than it starts.
