Union Weather in September

What's the weather like in Union (New Jersey) in September 2024?

The climate in Union during September can be summarized as warm and damp.

September is in the fall / autumn in Union and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 14°C (57°F) is normal.

Union weather averages (imperial / metric)
Daytime temperature 24.6°C 76.3°F
Nightly temperature 13.6°C 56.5°F
Average temperature 19.1°C 66.4°F
Daily sunshine 7.8 hrs
Avg rainfall 103 mm 4 ins
Rainy days 8 days
Sea temperature 21°C 69.8°F
Humidity 69%
Windspeed 15.8kph 10 mph

On average September is the 6th driest month of the year in Union with around 103mm 4 inches of rain making it a 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 7.8 hours of sunshine per day.

September temperatures in Union

Union average temperature in September

September rainfall

Union average rain in September

September hourly sunshine

Union 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 Union in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Union weather stats

Union weather statistics
Hottest month: July 29.4°C 84.9°F
Driest month: February 80mm 3.1ins
Sunniest month: August 9.1hrs
Coldest month: January 2.2°C 36°F
Wettest month: July 119mm 4.7ins
Map showing location of Union (40.6976, -74.2632) Union map pin © Google

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