Weather in September
September ushers in fall in Hillsborough Township along with pleasant mild temperatures. Daylight hours start to reduce significantly after the long summer period, and temperatures embark on a decline to a high of 76°F (24.4°C). The rainfall is relatively high, marking the onset of fall. The transitional weather of September sets the terrain for the forthcoming cooler months.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:41 pm EDT.
Temperature
As September arrives, Hillsborough Township's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 82.9°F (28.3°C) to a still warm 75.9°F (24.4°C). The nighttime temperature during September exhibits a clear drop from daytime highs, settling at a fresh 52°F (11.1°C).Rainfall
During September, Hillsborough Township regularly aggregates up to 4.25" (108mm) of precipitation. During the entire year, Hillsborough Township aggregates up to 47.83" (1215mm) of precipitation.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:41 pm EDT.
Updated: Jun 20, 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 are September temperatures?
An average high-temperature, in September, in Hillsborough Township, is 75.9°F (24.4°C) and the average low-temperature is 52°F (11.1°C).
How much does it rain in September?
In Hillsborough Township, in September, 4.25" (108mm) of precipitation is typically accumulated.
What is the average length of the day in September in Hillsborough Township?
The average day length in September is 12h and 27min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.
Average temperature in September
Hillsborough Township, NJ
- Average high temperature in September: 76°F
The warmest month (with the highest average high temperature) is July (85°F).
The month with the lowest average high temperature is January (38°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average rainfall in September
Hillsborough Township, NJ
- Average rainfall in September: 4.3"
The wettest month (with the highest rainfall) is July (4.8").
The driest month (with the least rainfall) is February (2.8").
Average daylight in September
Hillsborough Township, NJ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
Hillsborough Township, New Jersey, USA
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