Murphysboro Weather in September

What's the weather like in Murphysboro (Illinois) in September 2025?

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

September is in the fall / autumn in Murphysboro 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.

Murphysboro weather averages (imperial / metric)
Daytime temperature 27°C 80.5°F
Nightly temperature 14.1°C 57.3°F
Average temperature 20.5°C 68.9°F
Daily sunshine 8.7 hrs
Avg rainfall 85 mm 3.4 ins
Rainy days 8 days
Sea temperature 22.2°C 71.9°F
Humidity 72%
Windspeed 13kph 8 mph

On average September is the 4th driest month of the year in Murphysboro with around 85mm 3.4 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 Murphysboro

Murphysboro average temperature in September

September rainfall

Murphysboro average rain in September

September hourly sunshine

Murphysboro 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 Murphysboro 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

Murphysboro weather stats

Murphysboro weather statistics
Hottest month: July 31.6°C 88.9°F
Driest month: January 67mm 2.6ins
Sunniest month: July 11hrs
Coldest month: January 4.1°C 39.4°F
Wettest month: March 122mm 4.8ins
Map showing location of Murphysboro (37.7645, -89.33509) Murphysboro map pin © Google

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