September weather forecast
Atlantic Beach, NY

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Weather in September

The first month of the autumn, September, is still a pleasant month in Atlantic Beach, New York, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 64.2°F (17.9°C).

Temperature

A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 79.9°F (26.6°C) in August to an agreeable 73.2°F (22.9°C). September nights in Atlantic Beach experience a minor temperature downturn to an enjoyable 64.2°F (17.9°C).

Humidity

In Atlantic Beach, the average relative humidity in September is 74%.

Rainfall

In Atlantic Beach, in September, it is raining for 12.4 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Atlantic Beach, New York, there are 135.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

Snowfall

In Atlantic Beach, snow does not fall in April through September.

Ocean temperature

In September, the average ocean temperature in Atlantic Beach is 70.2°F (21.2°C).
Note: The majority of individuals do not enjoy swimming in water that is 70.2°F (21.2°C). Breathing control becomes more challenging as the water temperature dips from 69.8°F (21°C) to 59°F (15°C).

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September in Atlantic Beach, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

Sunshine

The average sunshine in September in Atlantic Beach is 9.1h.

UV index

The average daily maximum UV index in September in Atlantic Beach is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
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Frequently asked questions

What is the usual temperature for Atlantic Beach in September?

During September, Atlantic Beach experiences an average high-temperature of 73.2°F (22.9°C) and a low-temperature of 64.2°F (17.9°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is estimated at 84.2°F (29°C).

What is the average humidity in September in Atlantic Beach?

The average relative humidity in September in Atlantic Beach is 74%.

How many days does it rain in September in Atlantic Beach?

In Atlantic Beach, New York, during September, the rain falls for 12.4 days and regularly aggregates up to 1.38" (35mm) of precipitation.

When it does not snow in Atlantic Beach?

April through September are months without snowfall in Atlantic Beach.

Does it snow in Atlantic Beach in September?

In Atlantic Beach, New York, in September, it doesn't snow. In October, it regularly snows.

What is the ocean temperature in September in Atlantic Beach?

In Atlantic Beach, the average seawater temperature in September is 70.2°F (21.2°C). For swimming, a surface water temperature of 70.2°F (21.2°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in September in Atlantic Beach?

In Atlantic Beach, New York, the average day length in September is 12h and 27min.

When are sunrise and sunset in September in Atlantic Beach?

On the first day of September in Atlantic Beach, New York, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

How many hours of sunshine does Atlantic Beach have in September?

The average sunshine duration in September in Atlantic Beach is 9.1h.

What is the UV index intensity in September in Atlantic Beach?

In Atlantic Beach, New York, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Atlantic Beach, NY

Average temperature in September - Atlantic Beach, NY
  • Average high temperature in September: 73.2°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 (37°F).

  • Average low temperature in September: 64.2°F

The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

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Average pressure in September
Atlantic Beach, NY

Average pressure in September - Atlantic Beach, 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
Atlantic Beach, NY

Average wind speed in September - Atlantic Beach, NY
  • Average wind speed in September: 9.1mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in September
Atlantic Beach, NY

Average humidity in September - Atlantic Beach, NY
  • Average humidity in September: 74%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).

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Average rainfall in September
Atlantic Beach, NY

Average rainfall in September - Atlantic Beach, NY
  • Average rainfall in September: 1.38"

The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").

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Average rainfall days in September
Atlantic Beach, NY

Average rainfall days in September - Atlantic Beach, NY
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in September
Atlantic Beach, NY

Average snowfall in September - Atlantic Beach, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in September
Atlantic Beach, NY

Average snowfall days in September - Atlantic Beach, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.6 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
Atlantic Beach, NY

Average sea temperature in September - Atlantic Beach, 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
Atlantic Beach, NY

Average daylight in September / Average sunshine in September - Atlantic Beach, 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 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 48min).

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Average sunshine days in September
Atlantic Beach, NY

Average sunshine days in September - Atlantic Beach, NY
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).

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Average UV index in September
Atlantic Beach, NY

Average UV index in September - Atlantic Beach, 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, November and December (UV index 2).

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Average cloud cover in September
Atlantic Beach, NY

Average cloud cover in September - Atlantic Beach, NY
  • Average cloud cover in September: 32

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Atlantic Beach, NY

Average visibility in September - Atlantic Beach, 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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Atlantic Beach, New York, USA

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