September weather forecast and climate
Newtonville, NJ

Weather in September

September, the first month of the autumn, in Newtonville, is also a moderately hot month, with average temperature fluctuating between 76.1°F (24.5°C) and 61.5°F (16.4°C).

Temperature

In Newtonville, the average high-temperature in September marginally drops, from 82.6°F (28.1°C) in August, to a still warm 76.1°F (24.5°C). In Newtonville, in September, the average low-temperature is 61.5°F (16.4°C).

Humidity

June, September and October, with an average relative humidity of 79%, are most humid months in Newtonville.

Rainfall

In September, the rain falls for 9.4 days. Throughout September, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Newtonville, there are 119.7 rainfall days, and 15" (381mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day in Newtonville is 12.4h.

Sunshine

The average sunshine is 8.9h.

UV index

In Newtonville, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the most humid month in Newtonville?

Months with the highest humidity in Newtonville are June, September and October, with an average relative humidity of 79%.

What is the average humidity in September in Newtonville?

In September, the average relative humidity is 79%.

How many days does it rain in September in Newtonville?

In September, in Newtonville, New Jersey, the rain falls for 9.4 days. Throughout September, 1.1" (28mm) of precipitation is accumulated.

When it does not snow in Newtonville?

May through October are months without snowfall in Newtonville, New Jersey.

How many hours of daylight does Newtonville have in September?

In September, the average length of the day in Newtonville is 12.4h.

How long on average sun shines in September in Newtonville?

In Newtonville, the average sunshine in September is 8.9h.

What is the UV index intensity in September in Newtonville?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in September
Newtonville, NJ

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

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in September: 61.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in September
Newtonville, NJ

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

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in September
Newtonville, NJ

Average wind speed in September - Newtonville, NJ
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in September
Newtonville, NJ

Average humidity in September - Newtonville, NJ
  • Average humidity in September: 79%

Months with the highest relative humidity are June, September and October (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in September
Newtonville, NJ

Average rainfall in September - Newtonville, NJ
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in September
Newtonville, NJ

Average rainfall days in September - Newtonville, NJ
  • Average rainfall days in September: 9.4 days

The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in September
Newtonville, NJ

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

The month with the highest snowfall is January (1.38").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Newtonville, NJ

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

The month with the highest number of snowfall days is January (4.5 days).
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
Newtonville, NJ

Average daylight in September / Average sunshine in September - Newtonville, NJ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 8.9h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Newtonville, NJ

Average sunshine days in September - Newtonville, NJ
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.8 days).

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Average UV index in September
Newtonville, NJ

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Newtonville, NJ

Average cloud cover in September - Newtonville, NJ
  • Average cloud cover in September: 37

Months with the most cloud cover are February and March (Cloud cover 48).
Months with the least cloud cover are July and August (Cloud cover 31).

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Average visibility in September
Newtonville, NJ

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

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

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