September weather forecast
Vliettown, NJ

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Weather in September

The first month of the autumn, September, is still a warm month in Vliettown, New Jersey, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 56.8°F (13.8°C).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from a warm 81.3°F (27.4°C) in August to a still moderately hot 74.5°F (23.6°C). During the month of September, Vliettown's nighttime temperature lowers to an average of 56.8°F (13.8°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

September is the month with the least rainfall in Vliettown. Rain falls for 12.9 days and accumulates 1.85" (47mm) of precipitation.

Snowfall

In Vliettown, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:26 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 Vliettown, the average sunshine in September is 8.7h.

UV index

In Vliettown, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against sunburn is recommended. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the average September temperature in Vliettown?

September temperatures in Vliettown, New Jersey, vary between a high-temperature of 74.5°F (23.6°C) and a low-temperature of 56.8°F (13.8°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in September in Vliettown?

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

What is the driest month in Vliettown?

The month with the least rainfall in Vliettown, New Jersey, is September, when the rain falls for 12.9 days and typically collects 1.85" (47mm) of precipitation.

How much does it rain in Vliettown in September?

In September, in Vliettown, New Jersey, the rain falls for 12.9 days. Throughout September, 1.85" (47mm) of precipitation is accumulated.

When it does not snow in Vliettown?

In Vliettown, snow does not fall in June through September.

Does it snow in Vliettown in September?

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

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

The average day length in September in Vliettown, New Jersey, is 12h and 27min.

When is the sunrise / sunset in September in Vliettown?

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 7:30 pm. On the last day of the month, in Vliettown, New Jersey, sunrise is at 6:55 am and sunset at 6:42 pm EDT.

How long on average sun shines in September in Vliettown?

In September, the average sunshine duration in Vliettown is 8.7h.

What is the UV index reading in September in Vliettown?

The average daily maximum UV index in September in Vliettown is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
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
Vliettown, NJ

Average temperature in September - Vliettown, NJ
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in September
Vliettown, NJ

Average pressure in September - Vliettown, 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
Vliettown, NJ

Average wind speed in September - Vliettown, NJ
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in September
Vliettown, NJ

Average humidity in September - Vliettown, 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
Vliettown, NJ

Average rainfall in September - Vliettown, NJ
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in September
Vliettown, NJ

Average rainfall days in September - Vliettown, NJ
  • Average rainfall days in September: 12.9 days

The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in September
Vliettown, NJ

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

The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Vliettown, NJ

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

The month with the highest number of snowfall days is January (8.3 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
Vliettown, NJ

Average daylight in September / Average sunshine in September - Vliettown, NJ
  • Average daylight in September: 12h and 3min

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Vliettown, NJ

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

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in September
Vliettown, NJ

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

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

Average cloud cover in September - Vliettown, NJ
  • Average cloud cover in September: 40

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

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Average visibility in September
Vliettown, NJ

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

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