An aerial panorama of Parsippany City in the Troy Hills, New Jersey, with colorful brown and golden trees around the scenic Lake Parsippany
Weather in September
September's weather in Parsippany-Troy Hills charts the commencement of cooler days. Recording a cooling trend, temperatures float between a comfortable 53°F (11.7°C) and a gentle 78°F (25.6°C). As the month progresses, the heat wave from August begins to dissolve, signaling the onset of autumn. The city carries a crisp vibe, with hints of foliage transforming into vibrant autumnal colors. Entering October, the slide into cooler days continues.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Temperature
The arrival of September is marked by a minor reduction in average high-temperature, sliding from 84.9°F (29.4°C) in August to a still moderately hot 78.1°F (25.6°C). Parsippany-Troy Hills observes a substantial disparity between daytime high and the average low-temperature of 53.1°F (11.7°C) during September nights.Rainfall
September is the month with the most rainfall, with 4.88" (124mm) of accumulated precipitation.Daylight
In Parsippany-Troy Hills, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
An average high-temperature, in September, in Parsippany-Troy Hills, is 78.1°F (25.6°C) and the average low-temperature is 53.1°F (11.7°C).
What is the wettest month?
The month with the most rainfall is September, when 4.88" (124mm) of precipitation is typically aggregated.
How much does it rain in September?
In Parsippany-Troy Hills, in September, 4.88" (124mm) of precipitation is typically accumulated.
How many hours of daylight does Parsippany-Troy Hills have in September?
The average day length in September is 12h and 27min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.
Average temperature in September
Parsippany-Troy Hills, NJ
- Average high temperature in September: 78°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 53°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average rainfall in September
Parsippany-Troy Hills, NJ
- Average rainfall in September: 4.9"
The wettest month (with the highest rainfall) is September (4.9").
The driest month (with the least rainfall) is February (2.9").
Average daylight in September
Parsippany-Troy Hills, NJ
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
Parsippany-Troy Hills, New Jersey, USA
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location