September weather forecast
Silverton, NJ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Silverton, New Jersey, with an average temperature fluctuating between 73.6°F (23.1°C) and 64.6°F (18.1°C).

Temperature

In the transition to September, Silverton observes a minor drop in the average high-temperature, shifting from a warm 79.7°F (26.5°C) in August to a still moderately hot 73.6°F (23.1°C). Silverton experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 64.6°F (18.1°C) throughout September.

Humidity

In Silverton, the average relative humidity in September is 77%.

Rainfall

In Silverton, in September, during 12.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Silverton, during the entire year, the rain falls for 137.7 days and collects up to 19.09" (485mm) of precipitation.

Snowfall

In Silverton, snow does not fall in April through October.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

Sunshine

In Silverton, the average sunshine in September is 9h.

UV index

In Silverton, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Silverton in September?

The average high-temperature, in September, in Silverton, is 73.6°F (23.1°C), while the average low-temperature is 64.6°F (18.1°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in September?

In Silverton, the average relative humidity in September is 77%.

How much does it rain in September?

In Silverton, during September, the rain falls for 12.3 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in September?

In Silverton, the average day length in September is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

How long on average sun shines in September in Silverton?

In September, the average sunshine duration is 9h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Silverton, NJ

Average temperature in September - Silverton, NJ
  • Average high temperature in September: 73.6°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in September
Silverton, NJ

Average pressure in September - Silverton, 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).

Average wind speed in September
Silverton, NJ

Average wind speed in September - Silverton, NJ
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in September
Silverton, NJ

Average humidity in September - Silverton, NJ
  • Average humidity in September: 77%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).

Average rainfall in September
Silverton, NJ

Average rainfall in September - Silverton, NJ
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").

Average rainfall days in September
Silverton, NJ

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

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (7 days).

Average snowfall in September
Silverton, NJ

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

The month with the highest snowfall is January (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Silverton, NJ

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

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Silverton, NJ

Average daylight in September / Average sunshine in September - Silverton, 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: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Silverton, NJ

Average sunshine days in September - Silverton, NJ
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in September
Silverton, NJ

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

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

Average cloud cover in September
Silverton, NJ

Average cloud cover in September - Silverton, NJ
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in September
Silverton, NJ

Average visibility in September - Silverton, 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).

Silverton, New Jersey, USA

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