Osceola Weather in September

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

The climate in Osceola during September can be summarized as warm, humid and damp.

September is in the fall / autumn in Osceola and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 14°C (57°F) is normal.

Osceola weather averages (imperial / metric)
Daytime temperature 27.2°C 80.9°F
Nightly temperature 13.7°C 56.6°F
Average temperature 20.4°C 68.7°F
Daily sunshine 8.4 hrs
Avg rainfall 116 mm 4.6 ins
Rainy days 9 days
Sea temperature 21°C 69.8°F
Humidity 72%
Windspeed 14.8kph 9 mph

On average September is the 3rd wettest month of the year in Osceola with around 116mm 4.6 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.4 hours of sunshine per day.

September temperatures in Osceola

Osceola average temperature in September

September rainfall

Osceola average rain in September

September hourly sunshine

Osceola 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 Osceola 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

Osceola weather stats

Osceola weather statistics
Hottest month: July 32.2°C 90°F
Driest month: January 39mm 1.5ins
Sunniest month: July 11.2hrs
Coldest month: January 4°C 39.2°F
Wettest month: May 128mm 5ins
Map showing location of Osceola (38.0467, -93.70438) Osceola map pin © Google

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