September weather forecast
Silver Bay, NJ

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Weather in September

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

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's 79.7°F (26.5°C) to a still moderately hot 73.6°F (23.1°C). In Silver Bay, September nights maintain a consistent temperature, with an average low of 64.6°F (18.1°C).

Humidity

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

Rainfall

In September, the rain falls for 12.3 days. Throughout September, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 137.7 rainfall days, and 19.09" (485mm) of precipitation is accumulated.

Snowfall

In Silver Bay, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:25 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:40 pm EDT.

Sunshine

The average sunshine in September in Silver Bay is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Boost your sun resistance with garments that are densely woven yet spacious.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

September temperatures vary between a high-temperature of 73.6°F (23.1°C) and a low-temperature of 64.6°F (18.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in July is estimated at 86°F (30°C).

What is the average humidity in September?

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

How much does it rain in September?

In Silver Bay, 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.

How many hours of daylight does Silver Bay have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Silver Bay have in September?

The average sunshine duration in September is 9h.

What is the UV index reading in September?

In September, the average daily maximum UV index in Silver Bay is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Silver Bay, NJ

Average temperature in September - Silver Bay, 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
Silver Bay, NJ

Average pressure in September - Silver Bay, 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
Silver Bay, NJ

Average wind speed in September - Silver Bay, 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
Silver Bay, NJ

Average humidity in September - Silver Bay, 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
Silver Bay, NJ

Average rainfall in September - Silver Bay, 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
Silver Bay, NJ

Average rainfall days in September - Silver Bay, 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
Silver Bay, NJ

Average snowfall in September - Silver Bay, 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
Silver Bay, NJ

Average snowfall days in September - Silver Bay, 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
Silver Bay, NJ

Average daylight in September / Average sunshine in September - Silver Bay, 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
Silver Bay, NJ

Average sunshine days in September - Silver Bay, 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
Silver Bay, NJ

Average UV index in September - Silver Bay, 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
Silver Bay, NJ

Average cloud cover in September - Silver Bay, 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
Silver Bay, NJ

Average visibility in September - Silver Bay, 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).

Silver Bay, New Jersey, USA

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