September weather forecast
North Patchogue, NY

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Weather in September

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

Temperature

North Patchogue in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 78.1°F (25.6°C) to a pleasant 72.1°F (22.3°C). September nights register a minor temperature decline, steadying at a refreshing 65.3°F (18.5°C).

Humidity

In North Patchogue, the average relative humidity in September is 74%.

Rainfall

In North Patchogue, in September, during 12.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 155.3 rainfall days, and 34.84" (885mm) of precipitation is accumulated.

Snowfall

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

Daylight

In North Patchogue, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:19 am and sunset at 7:23 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:35 pm EDT.

Sunshine

In September, the average sunshine is 9.2h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

What is the temperature in September?

An average high-temperature, in September, in North Patchogue, 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 September, the average relative humidity is 74%.

How many days does it rain in September?

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

When it does not snow?

In North Patchogue, snow does not fall in April, June through September and November.

Does it snow in September?

In North Patchogue, 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 27min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:19 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:35 pm EDT.

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

In September, the average sunshine duration is 9.2h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
North Patchogue, NY

Average temperature in September - North 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).

Average pressure in September
North Patchogue, NY

Average pressure in September - North 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).

Average wind speed in September
North Patchogue, NY

Average wind speed in September - North 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).

Average humidity in September
North Patchogue, NY

Average humidity in September - North 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%).

Average rainfall in September
North Patchogue, NY

Average rainfall in September - North 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").

Average rainfall days in September
North Patchogue, NY

Average rainfall days in September - North 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).

Average snowfall in September
North Patchogue, NY

Average snowfall in September - North 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").

Average snowfall days in September
North Patchogue, NY

Average snowfall days in September - North 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).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
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).

Average sunshine days in September
North Patchogue, NY

Average sunshine days in September - North 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).

Average UV index in September
North Patchogue, NY

Average UV index in September - North 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).

Average cloud cover in September
North Patchogue, NY

Average cloud cover in September - North 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).

Average visibility in September
North Patchogue, NY

Average visibility in September - North 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).

North Patchogue, New York, USA

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