Red Bank
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Red Bank, NJ

The first month of the autumn, September, is still a warm month in Red Bank, New Jersey, with average temperature varying between 75°F (23.9°C) and 57°F (13.9°C).

Temperature

In Red Bank, New Jersey, the average high-temperature in September slightly decreases, from a warm 81°F (27.2°C) in August, to a still moderately hot 75°F (23.9°C). In Red Bank, in September, the average low-temperature is 57°F (13.9°C).

Rainfall

Throughout September, in Red Bank, 4" (101.9mm) of precipitation is accumulated. Throughout the year, in Red Bank, 48.1" (1222.5mm) of rain is accumulated.

Ocean temperature

In September, the average ocean temperature is 70.3°F (21.3°C).
Note: For swimming, a surface water temperature of 70.3°F (21.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in September in Red Bank is 12.4h.

What is the temperature in September in Red Bank?

In September, in Red Bank, New Jersey, the average high-temperature is 75°F (23.9°C), and the average low-temperature is 57°F (13.9°C).

How much does it rain in Red Bank in September?

During September, Red Bank regularly aggregates up to 4" (101.9mm) of precipitation.

What is the ocean temperature in September in Red Bank?

In September, the average ocean temperature in Red Bank is 70.3°F (21.3°C). For swimming, a surface water temperature of 70.3°F (21.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in September in Red Bank?

In September, the average length of the day in Red Bank, New Jersey, is 12.4h.
Average temperature in September - Red Bank, NJ
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (83°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in September: 57°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average rainfall in September - Red Bank, NJ
  • Average rainfall in September: 4"

The wettest month (with the highest rainfall) is August (5").
Driest months (with the lowest rainfall) are February, June and October (3.3").

Average sea temperature in September - Red Bank, NJ
  • Average sea temperature in September: 70.4°F

The best month for swimming (with the highest average sea temperature) is August (74.8°F).
The coldest month (with the lowest average sea temperature) is February (40.4°F).

Average daylight in September - Red Bank, NJ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).