Troy Weather in September

What's the weather like in Troy (Ohio) in September 2025?

The climate in Troy during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Troy and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 12°C (53°F) is normal.

Troy weather averages (imperial / metric)
Daytime temperature 24.9°C 76.8°F
Nightly temperature 11.9°C 53.4°F
Average temperature 18.4°C 65.1°F
Daily sunshine 8.5 hrs
Avg rainfall 66 mm 2.6 ins
Rainy days 8 days
Sea temperature 21.3°C 70.4°F
Humidity 73%
Windspeed 13kph 8 mph

On average September is the 4th driest month of the year in Troy with around 66mm 2.6 inches of rain making it a reasonably dry 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 8.5 hours of sunshine per day.

September temperatures in Troy

Troy average temperature in September

September rainfall

Troy average rain in September

September hourly sunshine

Troy 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 Troy 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

Troy weather stats

Troy weather statistics
Hottest month: July 28.9°C 84°F
Driest month: January 53mm 2.1ins
Sunniest month: June 10.5hrs
Coldest month: January 0.4°C 32.7°F
Wettest month: May 97mm 3.8ins
Map showing location of Troy (40.0395, -84.20328) Troy map pin © Google

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