Morristown Weather in September

What's the weather like in Morristown (Tennessee) in September 2025?

The climate in Morristown during September can be summarized as warm, humid and reasonably dry.

September is in the fall / autumn in Morristown 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.

Morristown weather averages (imperial / metric)
Daytime temperature 27.4°C 81.2°F
Nightly temperature 13.7°C 56.6°F
Average temperature 20.5°C 68.9°F
Daily sunshine 7.8 hrs
Avg rainfall 80 mm 3.1 ins
Rainy days 9 days
Sea temperature 24.2°C 75.5°F
Humidity 77%
Windspeed 9.7kph 6 mph

On average September is the 2nd driest month of the year in Morristown with around 80mm 3.1 inches of rain making it a reasonably dry 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 7.8 hours of sunshine per day.

September temperatures in Morristown

Morristown average temperature in September

September rainfall

Morristown average rain in September

September hourly sunshine

Morristown 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 Morristown 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

Morristown weather stats

Morristown weather statistics
Hottest month: July 30.4°C 86.7°F
Driest month: October 68mm 2.7ins
Sunniest month: June 9.7hrs
Coldest month: January 7.1°C 44.8°F
Wettest month: March 120mm 4.7ins
Map showing location of Morristown (36.21398, -83.29489) Morristown map pin © Google

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