Syracuse Weather in September

What's the weather like in Syracuse (New York) in September 2025?

The climate in Syracuse during September can be summarized as mild and a little damp.

September is in the fall / autumn in Syracuse and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 11°C (51°F) is normal.

Syracuse weather averages (imperial / metric)
Daytime temperature 22°C 71.5°F
Nightly temperature 10.7°C 51.2°F
Average temperature 16.3°C 61.3°F
Daily sunshine 7 hrs
Avg rainfall 95 mm 3.7 ins
Rainy days 11 days
Sea temperature 19.2°C 66.6°F
Humidity 76%
Windspeed 14kph 9 mph

On average September is the 2nd wettest month of the year in Syracuse with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

September temperatures in Syracuse

Syracuse average temperature in September

September rainfall

Syracuse average rain in September

September hourly sunshine

Syracuse 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 Syracuse 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

Syracuse weather stats

Syracuse weather statistics
Hottest month: July 27.3°C 81.1°F
Driest month: February 57mm 2.2ins
Sunniest month: July 10.1hrs
Coldest month: January -1.2°C 29.8°F
Wettest month: June 95mm 3.7ins
Map showing location of Syracuse (43.04812, -76.14742) Syracuse map pin © Google

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