September weather forecast
Hillsborough Township, NJ

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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.

Temperature

A mild drop in Hillsborough Township's average high-temperature is observed in September, transitioning from a moderately hot 82.9°F (28.3°C) in August to a still warm 75.9°F (24.4°C). Hillsborough Township's September nights represent a significant downturn from the day's heat, with an average temperature of 52°F (11.1°C).

Rainfall

In Hillsborough Township, New Jersey, in September, 4.25" (108mm) of precipitation is typically accumulated. During the entire year, Hillsborough Township aggregates up to 47.83" (1215mm) of precipitation.

Daylight

The average length of the day in September in Hillsborough Township is 12h and 27min.
On the first day of September in Hillsborough Township, 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.
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Frequently asked questions

What are the temperatures in Hillsborough Township in September?

The high-temperature, in September, in Hillsborough Township, records 75.9°F (24.4°C), while the low-temperature is 52°F (11.1°C).

How much does it rain in Hillsborough Township in September?

During September, Hillsborough Township regularly aggregates up to 4.25" (108mm) of precipitation.

What is the average length of the day in September in Hillsborough Township?

In September, the average day length is 12h and 27min.

When is the sunrise / sunset in September in Hillsborough Township?

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, in Hillsborough Township, New Jersey, sunrise is at 6:54 am and sunset at 6:41 pm EDT.

Average temperature in September
Hillsborough Township, NJ

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).

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Average rainfall in September
Hillsborough Township, NJ

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").

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Average daylight in September
Hillsborough Township, NJ

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).

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Hillsborough Township, New Jersey, USA

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