Platte City Weather in September

What's the weather like in Platte City (Missouri) in September 2025?

The climate in Platte City during September can be summarized as warm and wet.

September is in the fall / autumn in Platte City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (79°F), whilst at night 14°C (57°F) is normal.

Platte City weather averages (imperial / metric)
Daytime temperature 26°C 78.7°F
Nightly temperature 13.9°C 56.9°F
Average temperature 19.9°C 67.8°F
Daily sunshine 8.6 hrs
Avg rainfall 126 mm 4.9 ins
Rainy days 8 days
Sea temperature 20.1°C 68.2°F
Humidity 71%
Windspeed 15.5kph 10 mph

On average September is the 2nd wettest month of the year in Platte City with around 126mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.6 hours of sunshine per day.

September temperatures in Platte City

Platte City average temperature in September

September rainfall

Platte City average rain in September

September hourly sunshine

Platte City average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Platte City in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Platte City weather stats

Platte City weather statistics
Hottest month: July 31.6°C 88.9°F
Driest month: January 28mm 1.1ins
Sunniest month: July 11.4hrs
Coldest month: January 1.7°C 35.1°F
Wettest month: May 130mm 5.1ins
Map showing location of Platte City (39.37028, -94.78246) Platte City map pin © Google

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