September weather forecast
Jacobstown, NJ

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Weather in September

The first month of the autumn, September, is still a warm month in Jacobstown, New Jersey, with an average temperature varying between 76.1°F (24.5°C) and 60.4°F (15.8°C).

Temperature

With the onset of September, Jacobstown's climate undergoes a slight change as the average high-temperature moves from a warm 82.8°F (28.2°C) in August to a still moderately hot 76.1°F (24.5°C). Throughout September, an average nighttime temperature of 60.4°F (15.8°C) is experienced in Jacobstown.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

June through September are months without snowfall in Jacobstown.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:26 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.

Sunshine

In September, the average sunshine in Jacobstown, New Jersey, is 8.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. To guard against the harmful effects of the Sun, minimize exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What are September temperatures in Jacobstown?

In September, in Jacobstown, the average high-temperature is 76.1°F (24.5°C), and the average low-temperature is 60.4°F (15.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 89.6°F (32°C).

What is the average humidity in September in Jacobstown?

The average relative humidity in September in Jacobstown is 78%.

What is the driest month in Jacobstown?

September is the month with the least rainfall in Jacobstown. Rain falls for 12.3 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in Jacobstown in September?

In September, in Jacobstown, the rain falls for 12.3 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Jacobstown?

In Jacobstown, New Jersey, snow does not fall in June through September.

Does it snow in Jacobstown in September?

In Jacobstown, in September, it doesn't snow. In October, it regularly snows.

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

In Jacobstown, New Jersey, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Jacobstown?

On the first day of September, sunrise is at 6:26 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:41 pm EDT.

How long on average sun shines in September in Jacobstown?

The average sunshine duration in September is 8.6h.

What is the UV index reading in September in Jacobstown?

The average daily maximum UV index in September in Jacobstown is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Jacobstown, NJ

Average temperature in September - Jacobstown, NJ
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in September: 60.4°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in September
Jacobstown, NJ

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

Average wind speed in September - Jacobstown, NJ
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in September
Jacobstown, NJ

Average humidity in September - Jacobstown, NJ
  • Average humidity in September: 78%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Jacobstown, NJ

Average rainfall in September - Jacobstown, NJ
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in September
Jacobstown, NJ

Average rainfall days in September - Jacobstown, NJ
  • Average rainfall days in September: 12.3 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).

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Average snowfall in September
Jacobstown, NJ

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

The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Jacobstown, NJ

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

The month with the highest number of snowfall days is January (5.9 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
Jacobstown, NJ

Average daylight in September / Average sunshine in September - Jacobstown, 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 24min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Jacobstown, NJ

Average sunshine days in September - Jacobstown, NJ
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in September
Jacobstown, NJ

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

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, November and December (UV index 2).

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Average cloud cover in September
Jacobstown, NJ

Average cloud cover in September - Jacobstown, NJ
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in September
Jacobstown, NJ

Average visibility in September - Jacobstown, 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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Jacobstown, New Jersey, USA

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