September weather forecast
East Patchogue, NY

Weather in September

September, the first month of the autumn in East Patchogue, is still a pleasant month, with an average temperature fluctuating between 72.1°F (22.3°C) and 65.3°F (18.5°C).

Temperature

In September, the average high-temperature slightly decreases from a warm 78.1°F (25.6°C) in August to a pleasant 72.1°F (22.3°C). The average low-temperature, in September, is 65.3°F (18.5°C).

Humidity

In September, the average relative humidity is 74%.

Rainfall

In East Patchogue, during September, the rain falls for 12.8 days and regularly aggregates up to 2.48" (63mm) of precipitation. In East Patchogue, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.

Snowfall

April, June through September and November are months without snowfall.

Daylight

In September, the average length of the day in East Patchogue is 12h and 27min.
On the first day of the month, sunrise is at 6:18 am and sunset at 7:25 pm. On the last day of September, in East Patchogue, sunrise is at 6:47 am and sunset at 6:36 pm EDT.

Sunshine

In East Patchogue, the average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in September in East Patchogue, New York, is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in East Patchogue?

In September, in East Patchogue, the average high-temperature is 72.1°F (22.3°C), and the average low-temperature is 65.3°F (18.5°C).

What is the average humidity in September in East Patchogue?

In September, the average relative humidity is 74%.

How many days does it rain in September in East Patchogue?

In East Patchogue, in September, it is raining for 12.8 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow in East Patchogue?

In East Patchogue, New York, snow does not fall in April, June through September and November.

Does it snow in East Patchogue in September?

In East Patchogue, New York, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does East Patchogue have in September?

The average day length in September in East Patchogue is 12h and 27min.

What time are sunrise and sunset in September in East Patchogue?

On the first day of September in East Patchogue, sunrise is at 6:18 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:36 pm EDT.

How many hours of sunshine does East Patchogue have in September?

In East Patchogue, the average sunshine duration in September is 9.2h.

What is the UV index intensity in September in East Patchogue?

In East Patchogue, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
East Patchogue, NY

Average temperature in September - East Patchogue, NY
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°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 (30.2°F).

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Average pressure in September
East Patchogue, NY

Average pressure in September - East Patchogue, 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
East Patchogue, NY

Average wind speed in September - East Patchogue, NY
  • Average wind speed in September: 10.4mph

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

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Average humidity in September
East Patchogue, NY

Average humidity in September - East Patchogue, NY
  • Average humidity in September: 74%

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
East Patchogue, NY

Average rainfall in September - East Patchogue, NY
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in September
East Patchogue, NY

Average rainfall days in September - East Patchogue, NY
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in September
East Patchogue, NY

Average snowfall in September - East Patchogue, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").

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Average snowfall days in September
East Patchogue, NY

Average snowfall days in September - East Patchogue, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
East Patchogue, NY

Average daylight in September / Average sunshine in September - East Patchogue, NY
  • Average daylight in September: 12h and 27min

The month with the longest days is June (Average daylight: 15h and 3min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in September: 9h and 12min

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
East Patchogue, NY

Average sunshine days in September - East Patchogue, NY
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in September
East Patchogue, NY

Average UV index in September - East Patchogue, 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
East Patchogue, NY

Average cloud cover in September - East Patchogue, NY
  • Average cloud cover in September: 31

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
East Patchogue, NY

Average visibility in September - East Patchogue, 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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