September weather forecast
Holcomb Mills, NJ

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Weather in September

The first month of the autumn, September, is still a warm month in Holcomb Mills, New Jersey, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 57.2°F (14°C).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 82°F (27.8°C) in August to a still moderately hot 75.4°F (24.1°C). Holcomb Mills's nights in September cool down to an average low-temperature of 57.2°F (14°C).

Humidity

In Holcomb Mills, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 8.5 days and typically collects 0.63" (16mm) of precipitation.

Snowfall

In Holcomb Mills, snow does not fall in June through October.

Daylight

In Holcomb Mills, the average length of the day in September is 12h and 27min.
On the first day of September in Holcomb Mills, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:42 pm EDT.

Sunshine

In Holcomb Mills, New Jersey, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What is the temperature in September in Holcomb Mills?

The high-temperature, in September, in Holcomb Mills, is 75.4°F (24.1°C), while the low-temperature averages to 57.2°F (14°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 87.8°F (31°C).

What is the average humidity in September in Holcomb Mills?

In September, the average relative humidity in Holcomb Mills, New Jersey, is 78%.

What is the driest month in Holcomb Mills?

September is the month with the least rainfall in Holcomb Mills. Rain falls for 8.5 days and accumulates 0.63" (16mm) of precipitation.

How many days does it rain in September in Holcomb Mills?

In Holcomb Mills, during September, the rain falls for 8.5 days and regularly aggregates up to 0.63" (16mm) of precipitation.

When it does not snow in Holcomb Mills?

In Holcomb Mills, snow does not fall in June through October.

How many hours of daylight does Holcomb Mills have in September?

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

When are sunrise and sunset in September in Holcomb Mills?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of the month, in Holcomb Mills, sunrise is at 6:55 am and sunset at 6:42 pm EDT.

How long on average sun shines in September in Holcomb Mills?

In Holcomb Mills, New Jersey, the average sunshine duration in September is 8.5h.

What is the UV index reading in September in Holcomb Mills?

In Holcomb Mills, New Jersey, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Holcomb Mills, NJ

Average temperature in September - Holcomb Mills, NJ
  • Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in September: 57.2°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in September
Holcomb Mills, NJ

Average pressure in September - Holcomb Mills, 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
Holcomb Mills, NJ

Average wind speed in September - Holcomb Mills, NJ
  • Average wind speed in September: 5.8mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Holcomb Mills, NJ

Average humidity in September - Holcomb Mills, NJ
  • Average humidity in September: 78%

The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in September
Holcomb Mills, NJ

Average rainfall in September - Holcomb Mills, NJ
  • Average rainfall in September: 0.63"

The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.63").

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Average rainfall days in September
Holcomb Mills, NJ

Average rainfall days in September - Holcomb Mills, NJ
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in September
Holcomb Mills, NJ

Average snowfall in September - Holcomb Mills, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.1").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Holcomb Mills, NJ

Average snowfall days in September - Holcomb Mills, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Holcomb Mills, NJ

Average daylight in September / Average sunshine in September - Holcomb Mills, 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).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in September
Holcomb Mills, NJ

Average sunshine days in September - Holcomb Mills, NJ
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (15.6 days).

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Average UV index in September
Holcomb Mills, NJ

Average UV index in September - Holcomb Mills, NJ
  • Average UV index in September: 4

The months with the highest UV index are May, 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
Holcomb Mills, NJ

Average cloud cover in September - Holcomb Mills, NJ
  • Average cloud cover in September: 40

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in September
Holcomb Mills, NJ

Average visibility in September - Holcomb Mills, NJ
  • Average visibility in September: 5mi

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

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Holcomb Mills, New Jersey, USA

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