Miller Place Weather in September

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

The climate in Miller Place during September can be summarized as warm and a little damp.

September is in the fall / autumn in Miller Place and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (74°F), whilst at night 14°C (57°F) is normal.

Miller Place weather averages (imperial / metric)
Daytime temperature 23.4°C 74.1°F
Nightly temperature 13.8°C 56.8°F
Average temperature 18.6°C 65.5°F
Daily sunshine 8 hrs
Avg rainfall 88 mm 3.4 ins
Rainy days 8 days
Sea temperature 20.4°C 68.8°F
Humidity 75%
Windspeed 16.2kph 10 mph

On average September is the 4th driest month of the year in Miller Place with around 88mm 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 hours of sunshine per day.

September temperatures in Miller Place

Miller Place average temperature in September

September rainfall

Miller Place average rain in September

September hourly sunshine

Miller Place 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 Miller Place 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

Miller Place weather stats

Miller Place weather statistics
Hottest month: July 27.3°C 81.1°F
Driest month: June 77mm 3ins
Sunniest month: March 7.9hrs
Coldest month: January 2.7°C 36.9°F
Wettest month: March 108mm 4.3ins
Map showing location of Miller Place (40.95982, -72.99621) Miller Place map pin © Google

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