September weather forecast
Head of the Harbor, NY

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Weather in September

The first month of the autumn, September, is also an agreeable month in Head of the Harbor, New York, with an average temperature varying between 72.3°F (22.4°C) and 64.8°F (18.2°C).

Temperature

With the commencement of September, Head of the Harbor records a moderate temperature decline, with the average high easing from August's moderately hot 78.4°F (25.8°C) to a pleasant 72.3°F (22.4°C). Head of the Harbor maintains a near steady average temperature of 64.8°F (18.2°C) during the nights of September, demonstrating little drop from daytime highs.

Humidity

In September, the average relative humidity in Head of the Harbor is 74%.

Rainfall

In Head of the Harbor, in September, during 12.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 146.8 rainfall days, and 33.78" (858mm) of precipitation is accumulated.

Snowfall

In Head of the Harbor, snow does not fall in April through September.

Daylight

In Head of the Harbor, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:20 am and sunset at 7:24 pm. On the last day of September, in Head of the Harbor, sunrise is at 6:48 am and sunset at 6:35 pm EDT.

Sunshine

The average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index in Head of the Harbor is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
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Frequently asked questions

What are September temperatures in Head of the Harbor?

Head of the Harbor in September has an average high-temperature of 72.3°F (22.4°C) and an average low-temperature of 64.8°F (18.2°C).

What is the average humidity in September in Head of the Harbor?

In September, the average relative humidity in Head of the Harbor, New York, is 74%.

How many days does it rain in September in Head of the Harbor?

In Head of the Harbor, in September, it is raining for 12.6 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Head of the Harbor?

In Head of the Harbor, New York, snow does not fall in April through September.

Does it snow in Head of the Harbor in September?

In Head of the Harbor, New York, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Head of the Harbor have in September?

In September, the average day length in Head of the Harbor is 12h and 27min.

What time are sunrise and sunset in September in Head of the Harbor?

In September, on the first day of the month, sunrise is at 6:20 am and sunset at 7:24 pm. On the last day of the month, in Head of the Harbor, New York, sunrise is at 6:48 am and sunset at 6:35 pm EDT.

How long on average sun shines in September in Head of the Harbor?

In September, the average sunshine duration in Head of the Harbor is 8.9h.

What is the UV index reading in September in Head of the Harbor?

The average daily maximum UV index in September in Head of the Harbor is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Head of the Harbor, NY

Average temperature in September - Head of the Harbor, NY
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in September: 64.8°F

The months with the highest average low temperature are July and August (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in September
Head of the Harbor, NY

Average pressure in September - Head of the Harbor, 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
Head of the Harbor, NY

Average wind speed in September - Head of the Harbor, NY
  • Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in September
Head of the Harbor, NY

Average humidity in September - Head of the Harbor, NY
  • Average humidity in September: 74%

The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in September
Head of the Harbor, NY

Average rainfall in September - Head of the Harbor, NY
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in September
Head of the Harbor, NY

Average rainfall days in September - Head of the Harbor, NY
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in September
Head of the Harbor, NY

Average snowfall in September - Head of the Harbor, NY
  • Average snowfall in September: 0"

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

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Average snowfall days in September
Head of the Harbor, NY

Average snowfall days in September - Head of the Harbor, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.4 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
Head of the Harbor, NY

Average daylight in September / Average sunshine in September - Head of the Harbor, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Head of the Harbor, NY

Average sunshine days in September - Head of the Harbor, NY
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13 days).

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Average UV index in September
Head of the Harbor, NY

Average UV index in September - Head of the Harbor, 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
Head of the Harbor, NY

Average cloud cover in September - Head of the Harbor, NY
  • Average cloud cover in September: 33

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in September
Head of the Harbor, NY

Average visibility in September - Head of the Harbor, 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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Head of the Harbor, New York, USA

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