What is the weather like in Gateway Arch National Park vs Kansas City in September?

In September, Gateway Arch National Park averages 29°C high / 15°C low with about 89 mm of rain; Kansas City averages 28°C high / 17°C low with about 57 mm.

Gateway Arch National Park vs Kansas City in September

Kansas City is the better pick in September — 86 vs 81 on SeasonMap's comfort score. Kansas City is hot, a little rain, clean air, while Gateway Arch National Park is hot, rainy, clean air.

Gateway Arch National Park vs Kansas City — September climate, side by side

	🇺🇸 Gateway Arch National Park	🇺🇸 Kansas City
Comfort score	81/100 (A)	86/100 (A)
Feels-like high	30°C	30°C
Avg high / low	29° / 15°	28° / 17°
Rainfall	89 mm	57 mm
Rainy days	5	4
Humidity	67%	66%
Air quality (AQI)	50	44

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Gateway Arch National Park vs Kansas City in September — FAQ

Is September better in Gateway Arch National Park or Kansas City?: Kansas City is the better pick in September — 86 vs 81 on SeasonMap's comfort score. Kansas City is hot, a little rain, clean air, while Gateway Arch National Park is hot, rainy, clean air.
What is the weather like in Gateway Arch National Park vs Kansas City in September?: In September, Gateway Arch National Park averages 29°C high / 15°C low with about 89 mm of rain; Kansas City averages 28°C high / 17°C low with about 57 mm.