September weather forecast
Ridgefield, NJ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Ridgefield, New Jersey, with an average temperature ranging between min 61.5°F (16.4°C) and max 75°F (23.9°C).

Temperature

September implies a soft temperature shift, with average high-temperatures reducing from August's warm 82°F (27.8°C) to a still moderately hot 75°F (23.9°C). During September, the average low-temperature is a comfortable 61.5°F (16.4°C).

Humidity

The average relative humidity in September in Ridgefield, New Jersey, is 73%.

Rainfall

In Ridgefield, in September, during 9.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Ridgefield, New Jersey, during the entire year, the rain falls for 112.4 days and collects up to 10.2" (259mm) of precipitation.

Snowfall

April through October are months without snowfall in Ridgefield.

Daylight

In Ridgefield, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

In Ridgefield, New Jersey, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The Sun's radiation is especially intense around midday; try to stay in shade during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What is the average September temperature in Ridgefield?

In Ridgefield, in September, the average high-temperature is 75°F (23.9°C), and the average low-temperature is 61.5°F (16.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in September in Ridgefield?

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

How much does it rain in Ridgefield in September?

In Ridgefield, in September, during 9.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Ridgefield?

April through October are months without snowfall in Ridgefield.

What is the average length of the day in September in Ridgefield?

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

When are sunrise and sunset in September in Ridgefield?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of the month, in Ridgefield, New Jersey, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

How many hours of sunshine does Ridgefield have in September?

The average sunshine duration in September in Ridgefield is 8.8h.

How high is the UV index in September in Ridgefield?

In Ridgefield, New Jersey, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Ridgefield, NJ

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

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in September: 61.5°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
Ridgefield, NJ

Average pressure in September - Ridgefield, NJ
  • Average pressure in September: 30.05"Hg

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

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Average wind speed in September
Ridgefield, NJ

Average wind speed in September - Ridgefield, NJ
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

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Average humidity in September
Ridgefield, NJ

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

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

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Average rainfall in September
Ridgefield, NJ

Average rainfall in September - Ridgefield, NJ
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days in September
Ridgefield, NJ

Average rainfall days in September - Ridgefield, NJ
  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in September
Ridgefield, NJ

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

The months with the highest snowfall are February, March and December (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Ridgefield, NJ

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

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Ridgefield, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
Ridgefield, NJ

Average sunshine days in September - Ridgefield, NJ
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is June (16.1 days).

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Average UV index in September
Ridgefield, NJ

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

The months with the highest UV index are June, July and August (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
Ridgefield, NJ

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

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Ridgefield, NJ

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

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

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Ridgefield, New Jersey, USA

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