September weather forecast and climate
Newark, NY

September, the first month of the autumn, in Newark, is also an agreeable month, with average temperature ranging between min 54.7°F (12.6°C) and max 71.1°F (21.7°C).

Temperature

In Newark, the average high-temperature marginally drops, from a moderately hot 77.7°F (25.4°C) in August, to a pleasant 71.1°F (21.7°C). In Newark, the average low-temperature is 54.7°F (12.6°C).

Humidity

April and September, with an average relative humidity of 77%, are the least humid months.

Rainfall

In Newark, during 12.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 133.6 rainfall days, and 14.45" (367mm) of precipitation is accumulated.

Snowfall

In Newark, New York, snow does not fall in June through September.

Daylight

In Newark, New York, the average length of the day is 12.5h.

Sunshine

The average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Newark?

In September, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 54.7°F (12.6°C).

What is the least humid month in Newark?

April and September, with an average relative humidity of 77%, are the least humid months.

What is the average humidity in September in Newark?

In September, the average relative humidity is 77%.

How many days does it rain in September in Newark?

In September, in Newark, New York, the rain falls for 12.3 days. Throughout September, 0.94" (24mm) of precipitation is accumulated.

Does it snow in Newark in September?

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

When it does not snow in Newark?

In Newark, New York, snow does not fall in June through September.

How many hours of daylight does Newark have in September?

The average length of the day in September in Newark, New York, is 12.5h.

How many hours of sunshine does Newark have in September?

In September, the average sunshine in Newark is 9.1h.

What is the UV index intensity in September in Newark?

In Newark, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Newark, NY
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in September - Newark, NY
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.92").

Average wind speed in September - Newark, NY
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in September - Newark, NY
  • Average humidity in September: 77%

The month with the highest relative humidity is February (85%).
Months with the lowest relative humidity are April and September (77%).

Average rainfall in September - Newark, NY
  • Average rainfall in September: 0.94"

The wettest month (with the highest rainfall) is October (1.81").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in September - Newark, NY
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (5.1 days).

Average snowfall in September - Newark, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.8").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in September - Newark, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Newark, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 9.1h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 2.6h).

Average sunshine days in September - Newark, NY
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is August (12.3 days).

Average UV index in September - Newark, NY
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September - Newark, NY
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 74).
Months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in September - Newark, NY
  • 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).