September weather forecast
Newfoundland, NJ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Newfoundland, New Jersey, with an average temperature ranging between max 73.6°F (23.1°C) and min 54.7°F (12.6°C).

Temperature

Newfoundland's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's 80.2°F (26.8°C) to a still moderately hot 73.6°F (23.1°C). The average temperature during September nights dips to a cool 54.7°F (12.6°C).

Humidity

The average relative humidity in September is 80%.

Rainfall

In September, in Newfoundland, New Jersey, the rain falls for 12.1 days. Throughout September, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Newfoundland, there are 133 rainfall days, and 14.02" (356mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Newfoundland.

Daylight

In Newfoundland, the average length of the day in September is 12h and 28min.
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 6:54 am and sunset at 6:40 pm EDT.

Sunshine

In September, the average sunshine in Newfoundland is 8.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the usual temperature for Newfoundland in September?

The average high-temperature, in September, in Newfoundland, is 73.6°F (23.1°C), while the average low-temperature is 54.7°F (12.6°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in September in Newfoundland?

The average relative humidity in September in Newfoundland is 80%.

How many days does it rain in September in Newfoundland?

In Newfoundland, during September, the rain falls for 12.1 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Newfoundland?

June through September are months without snowfall in Newfoundland.

Does it snow in Newfoundland in September?

In Newfoundland, New Jersey, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Newfoundland have in September?

In September, the average day length in Newfoundland is 12h and 28min.

When is the sunrise / sunset in September in Newfoundland?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:29 pm. On the last day of the month, in Newfoundland, New Jersey, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Newfoundland have in September?

In September, the average sunshine duration in Newfoundland is 8.2h.

How high is the UV index in September in Newfoundland?

In Newfoundland, New Jersey, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Newfoundland, NJ

Average temperature in September - Newfoundland, NJ
  • Average high temperature in September: 73.6°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in September
Newfoundland, NJ

Average pressure in September - Newfoundland, NJ
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Newfoundland, NJ

Average wind speed in September - Newfoundland, NJ
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Newfoundland, NJ

Average humidity in September - Newfoundland, NJ
  • Average humidity in September: 80%

The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in September
Newfoundland, NJ

Average rainfall in September - Newfoundland, NJ
  • Average rainfall in September: 0.79"

The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is January (0.71").

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Average rainfall days in September
Newfoundland, NJ

Average rainfall days in September - Newfoundland, NJ
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in September
Newfoundland, NJ

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

The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Newfoundland, NJ

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

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Newfoundland, 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).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

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Average sunshine days in September
Newfoundland, NJ

Average sunshine days in September - Newfoundland, NJ
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.1 days).

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Average UV index in September
Newfoundland, NJ

Average UV index in September - Newfoundland, NJ
  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The 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
Newfoundland, NJ

Average cloud cover in September - Newfoundland, NJ
  • Average cloud cover in September: 43

The months with the most cloud cover are February and March (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in September
Newfoundland, NJ

Average visibility in September - Newfoundland, NJ
  • Average visibility in September: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Newfoundland, New Jersey, USA

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