September weather forecast
Winston Park, NJ

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Weather in September

The first month of the autumn, September, is still a warm month in Winston Park, New Jersey, with an average temperature fluctuating between 63.3°F (17.4°C) and 74.1°F (23.4°C).

Temperature

With the onset of September, the average high-temperature subtly recedes from August's 80.4°F (26.9°C) to a still warm 74.1°F (23.4°C). Winston Park's September nights cool down to an average low-temperature of 63.3°F (17.4°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 13.5 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Winston Park, during the entire year, the rain falls for 162 days and collects up to 32.2" (818mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

Sunshine

In September, the average sunshine in Winston Park is 9.1h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

The high-temperature during September is 74.1°F (23.4°C) and the low-temperature is 63.3°F (17.4°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in September?

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

How many days does it rain in September?

In Winston Park, during September, the rain falls for 13.5 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow?

In Winston Park, snow does not fall in May through September.

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 26min.

When are sunrise and sunset in September?

On the first day of September in Winston Park, sunrise is at 6:25 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Winston Park have in September?

In September, the average sunshine duration is 9.1h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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
Winston Park, NJ

Average temperature in September - Winston Park, NJ
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 63.3°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Winston Park, NJ

Average pressure in September - Winston Park, 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
Winston Park, NJ

Average wind speed in September - Winston Park, NJ
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in September
Winston Park, NJ

Average humidity in September - Winston Park, NJ
  • Average humidity in September: 77%

The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in September
Winston Park, NJ

Average rainfall in September - Winston Park, NJ
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in September
Winston Park, NJ

Average rainfall days in September - Winston Park, NJ
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in September
Winston Park, NJ

Average snowfall in September - Winston Park, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Winston Park, NJ

Average snowfall days in September - Winston Park, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Winston Park, NJ

Average daylight in September / Average sunshine in September - Winston Park, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Winston Park, NJ

Average sunshine days in September - Winston Park, NJ
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in September
Winston Park, NJ

Average UV index in September - Winston Park, 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, March, November and December (UV index 2).

Average cloud cover in September
Winston Park, NJ

Average cloud cover in September - Winston Park, NJ
  • Average cloud cover in September: 33

The months with the most cloud cover are February, March and December (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in September
Winston Park, NJ

Average visibility in September - Winston Park, 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).

Winston Park, New Jersey, USA

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