Poplar Bluff Weather in September

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

The climate in Poplar Bluff during September can be summarized as warm, humid and a little damp.

September is in the fall / autumn in Poplar Bluff and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 14°C (57°F) is normal.

Poplar Bluff weather averages (imperial / metric)
Daytime temperature 27.9°C 82.2°F
Nightly temperature 14.1°C 57.4°F
Average temperature 21°C 69.8°F
Daily sunshine 8.7 hrs
Avg rainfall 94 mm 3.7 ins
Rainy days 8 days
Sea temperature 22.8°C 73.1°F
Humidity 72%
Windspeed 13kph 8 mph

On average September is the 6th wettest month of the year in Poplar Bluff with around 94mm 3.7 inches of rain making it a a little damp 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 8.7 hours of sunshine per day.

September temperatures in Poplar Bluff

Poplar Bluff average temperature in September

September rainfall

Poplar Bluff average rain in September

September hourly sunshine

Poplar Bluff 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 Poplar Bluff in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

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Current (hourly) weather 15 day forecast

Poplar Bluff weather stats

Poplar Bluff weather statistics
Hottest month: July 32.6°C 90.7°F
Driest month: October 72mm 2.8ins
Sunniest month: July 11.1hrs
Coldest month: January 6°C 42.8°F
Wettest month: March 128mm 5ins
Map showing location of Poplar Bluff (36.757, -90.39289) Poplar Bluff map pin © Google

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