September weather forecast and climate
Weehawken, NJ

Weather in September

September, the first month of the autumn, in Weehawken, is still a warm month, with average temperature fluctuating between 75°F (23.9°C) and 61.7°F (16.5°C).

Temperature

In September, the average high-temperature slightly decreases, from 82°F (27.8°C) in August, to a still warm 75°F (23.9°C). In Weehawken, the average low-temperature is 61.7°F (16.5°C).

Humidity

In Weehawken, the average relative humidity in September is 73%.

Rainfall

The month with the least rainfall is September when the rain falls for 12.5 days and typically collects 2.2" (56mm) of precipitation.

Snowfall

May through October are months without snowfall in Weehawken.

Ocean temperature

In Weehawken, the average seawater temperature is 70.2°F (21.2°C).
Note: For swimming, a surface water temperature of 70.2°F (21.2°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 is 12.4h.

Sunshine

The average sunshine in Weehawken is 8.9h.

UV index

In September, the average daily maximum UV index in Weehawken is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in September in Weehawken?

The average high-temperature, in September, in Weehawken, New Jersey, is 75°F (23.9°C), while the average low-temperature is 61.7°F (16.5°C).

What is the average humidity in September in Weehawken?

In Weehawken, New Jersey, the average relative humidity in September is 73%.

How many days does it rain in September in Weehawken?

In Weehawken, in September, during 12.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

What is the driest month in Weehawken?

The month with the least rainfall is September when the rain falls for 12.5 days and typically collects 2.2" (56mm) of precipitation.

When it does not snow in Weehawken?

May through October are months without snowfall.

What is the ocean temperature in September in Weehawken?

In Weehawken, the average seawater temperature in September is 70.2°F (21.2°C). For swimming, a surface water temperature of 70.2°F (21.2°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 Weehawken?

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

How many hours of sunshine does Weehawken have in September?

In Weehawken, the average sunshine in September is 8.9h.

What is the UV index reading in September in Weehawken?

In Weehawken, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Weehawken, NJ

Average temperature in September - Weehawken, NJ
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in September
Weehawken, NJ

Average pressure in September - Weehawken, NJ
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Weehawken, NJ

Average wind speed in September - Weehawken, NJ
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

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Average humidity in September
Weehawken, NJ

Average humidity in September - Weehawken, NJ
  • Average humidity in September: 73%

Months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in September
Weehawken, NJ

Average rainfall in September - Weehawken, NJ
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (2.2").

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Average rainfall days in September
Weehawken, NJ

Average rainfall days in September - Weehawken, NJ
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (9 days).

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Average snowfall in September
Weehawken, NJ

Average snowfall in September - Weehawken, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.86").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Weehawken, NJ

Average snowfall days in September - Weehawken, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in September
Weehawken, NJ

Average sea temperature in September - Weehawken, NJ
  • Average sea temperature in September: 70.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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Average daylight in September /
Average sunshine in September
Weehawken, NJ

Average daylight in September / Average sunshine in September - Weehawken, NJ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8.9h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Weehawken, NJ

Average sunshine days in September - Weehawken, NJ
  • Average sunshine days in September: 15 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is June (11.7 days).

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Average UV index in September
Weehawken, NJ

Average UV index in September - Weehawken, NJ
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Weehawken, NJ

Average cloud cover in September - Weehawken, NJ
  • Average cloud cover in September: 35

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Weehawken, NJ

Average visibility in September - Weehawken, NJ
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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