September weather forecast
North Amityville, NY

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Weather in September

September, the first month of the autumn in North Amityville, is still a pleasant month, with an average temperature fluctuating between 72.3°F (22.4°C) and 65.7°F (18.7°C).

Temperature

In September, the average high-temperature marginally decreases from a warm 78.4°F (25.8°C) in August to a pleasant 72.3°F (22.4°C). North Amityville sees a gentle drop from the daily peak temperature in September, with an average low settling at a comfortable 65.7°F (18.7°C).

Humidity

The average relative humidity in September is 74%.

Rainfall

In North Amityville, in September, it is raining for 13.2 days, with typically 2.2" (56mm) of accumulated precipitation. In North Amityville, during the entire year, the rain falls for 158.8 days and collects up to 31.38" (797mm) of precipitation.

Snowfall

In North Amityville, New York, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:36 pm EDT.

Sunshine

In North Amityville, the average sunshine in September is 9.1h.

UV index

In September, the average daily maximum UV index in North Amityville is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What are September temperatures in North Amityville?

North Amityville in September has an average high-temperature of 72.3°F (22.4°C) and an average low-temperature of 65.7°F (18.7°C).

What is the average humidity in September in North Amityville?

The average relative humidity in September is 74%.

How much does it rain in North Amityville in September?

In North Amityville, New York, in September, during 13.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow in North Amityville?

May through September are months without snowfall in North Amityville.

Does it snow in North Amityville in September?

In North Amityville, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in North Amityville?

The average day length in September in North Amityville is 12h and 27min.

When is the sunrise / sunset in September in North Amityville?

On the first day of September in North Amityville, sunrise is at 6:21 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:36 pm EDT.

How many hours of sunshine does North Amityville have in September?

In September, the average sunshine duration is 9.1h.

What is the UV index intensity in September in North Amityville?

In September, the average daily maximum UV index in North Amityville is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
North Amityville, NY

Average temperature in September - North Amityville, NY
  • Average high temperature in September: 72.3°F

The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 65.7°F

The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in September
North Amityville, NY

Average pressure in September - North Amityville, NY
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
North Amityville, NY

Average wind speed in September - North Amityville, NY
  • Average wind speed in September: 10.5mph

The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).

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Average humidity in September
North Amityville, NY

Average humidity in September - North Amityville, NY
  • Average humidity in September: 74%

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

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Average rainfall in September
North Amityville, NY

Average rainfall in September - North Amityville, NY
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in September
North Amityville, NY

Average rainfall days in September - North Amityville, NY
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in September
North Amityville, NY

Average snowfall in September - North Amityville, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
North Amityville, NY

Average snowfall days in September - North Amityville, NY
  • 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).

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Average daylight in September /
Average sunshine in September
North Amityville, NY

Average daylight in September / Average sunshine in September - North Amityville, 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
North Amityville, NY

Average sunshine days in September - North Amityville, NY
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in September
North Amityville, NY

Average UV index in September - North Amityville, 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
North Amityville, NY

Average cloud cover in September - North Amityville, 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
North Amityville, NY

Average visibility in September - North Amityville, 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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North Amityville, New York, USA

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