Flemington Weather in September

What's the weather like in Flemington (New Jersey) in September 2025?

The climate in Flemington during September can be summarized as mild and damp.

September is in the fall / autumn in Flemington and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (76°F), whilst at night 11°C (52°F) is normal.

Flemington weather averages (imperial / metric)
Daytime temperature 24.6°C 76.2°F
Nightly temperature 10.9°C 51.5°F
Average temperature 17.7°C 63.9°F
Daily sunshine 7.6 hrs
Avg rainfall 101 mm 4 ins
Rainy days 9 days
Sea temperature 21°C 69.8°F
Humidity 72%
Windspeed 14.4kph 9 mph

On average September is the 5th driest month of the year in Flemington with around 101mm 4 inches of rain making it a damp 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 7.6 hours of sunshine per day.

September temperatures in Flemington

Flemington average temperature in September

September rainfall

Flemington average rain in September

September hourly sunshine

Flemington 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 Flemington 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

Flemington weather stats

Flemington weather statistics
Hottest month: July 29.3°C 84.7°F
Driest month: February 79mm 3.1ins
Sunniest month: August 8.9hrs
Coldest month: January 2°C 35.6°F
Wettest month: July 119mm 4.7ins
Map showing location of Flemington (40.51233, -74.85933) Flemington map pin © Google

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