September weather forecast
Island Park, NY

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Weather in September

September, the first month of the autumn in Island Park, is also an agreeable month, with an average temperature ranging between min 65.3°F (18.5°C) and max 72.3°F (22.4°C).

Temperature

With the onset of September, the average high-temperature subtly recedes from August's moderately hot 78.4°F (25.8°C) to a pleasant 72.3°F (22.4°C). Island Park registers an average low-temperature of 65.3°F (18.5°C) throughout September, a modest decrease from its daytime highs.

Humidity

In September, the average relative humidity is 75%.

Rainfall

In Island Park, in September, it is raining for 13.8 days, with typically 2.68" (68mm) of accumulated precipitation. In Island Park, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.

Snowfall

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

Ocean temperature

In September, the average ocean temperature in Island Park, New York, is 70.2°F (21.2°C).
Note: In 70.2°F (21.2°C), swimming is not an enjoyable activity for most. As the temperature decreases from 69.8°F (21°C) to 59°F (15°C), it becomes harder to control breathing.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm EDT.

Sunshine

In September, the average sunshine is 9h.

UV index

The average daily maximum UV index in September in Island Park, New York, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Notice! The reflection of water and sand increases the UV radiation significantly.
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Frequently asked questions

What are September temperatures in Island Park?

An average high-temperature, in September, in Island Park, is 72.3°F (22.4°C) and the average low-temperature is 65.3°F (18.5°C).

What is the average humidity in September in Island Park?

In Island Park, New York, the average relative humidity in September is 75%.

How many days does it rain in September in Island Park?

In Island Park, New York, in September, during 13.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Island Park?

In Island Park, New York, snow does not fall in May through September.

Does it snow in Island Park in September?

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

How cold is the water in September in Island Park?

In Island Park, New York, the average seawater temperature in September is 70.2°F (21.2°C). Swimming in 70.2°F (21.2°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in September in Island Park?

In Island Park, the average day length in September is 12h and 27min.

When are sunrise and sunset in September in Island Park?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, in Island Park, sunrise is at 6:50 am and sunset at 6:37 pm EDT.

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

In Island Park, the average sunshine duration in September is 9h.

What is the UV index reading in September in Island Park?

The average daily maximum UV index in September is 5. A UV Index 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
Island Park, NY

Average temperature in September - Island Park, NY
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in September: 65.3°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in September
Island Park, NY

Average pressure in September - Island Park, NY
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Island Park, NY

Average wind speed in September - Island Park, NY
  • Average wind speed in September: 10.2mph

The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

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Average humidity in September
Island Park, NY

Average humidity in September - Island Park, NY
  • Average humidity in September: 75%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in September
Island Park, NY

Average rainfall in September - Island Park, NY
  • Average rainfall in September: 2.68"

The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in September
Island Park, NY

Average rainfall days in September - Island Park, NY
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in September
Island Park, NY

Average snowfall in September - Island Park, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Island Park, NY

Average snowfall days in September - Island Park, NY
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in September
Island Park, NY

Average sea temperature in September - Island Park, NY
  • Average sea temperature in September: 70.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

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Average daylight in September /
Average sunshine in September
Island Park, NY

Average daylight in September / Average sunshine in September - Island Park, NY
  • Average daylight in September: 12h and 3min

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 18min).

  • Average sunshine in September: 9h and 0min

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 48min).

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Average sunshine days in September
Island Park, NY

Average sunshine days in September - Island Park, NY
  • Average sunshine days in September: 15 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in September
Island Park, NY

Average UV index in September - Island Park, NY
  • 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 and December (UV index 2).

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Average cloud cover in September
Island Park, NY

Average cloud cover in September - Island Park, NY
  • Average cloud cover in September: 32

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Island Park, NY

Average visibility in September - Island Park, NY
  • 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).

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Island Park, New York, USA

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