September weather forecast
Long Island City, NY

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Weather in September

As summer winds down, September ushers in the advent of fall. The temperature begins to drop, offering a refreshing break from the summer heat, with highs of 74.3°F (23.5°C) and a minimum of 62.6°F (17°C). Change is apparent with a decrease in daylight hours, and the atmosphere slowly cools down. The amount of rainfall increases, signifying the seasonal shift as the landscape begins to transform. This month is recognized for its mild weather and the changing color of tree leaves.

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from 81.3°F (27.4°C) in August to a still warm 74.3°F (23.5°C). In the month of September, the nighttime temperature dips to a steady average of 62.6°F (17°C).

Humidity

The average relative humidity in September in Long Island City is 73%.

Rainfall

September is the month with the least rainfall in Long Island City. Rain falls for 6.6 days and accumulates 0.2" (5mm) of precipitation.

Snowfall

In Long Island City, snow does not fall in April through November.

Daylight

The average length of the day in September in Long Island City is 12h and 27min.
On the first day of the month, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

Sunshine

In September, the average sunshine is 9h.

UV index

The average daily maximum UV index in September in Long Island City is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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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Frequently asked questions

What is the temperature in September in Long Island City?

In Long Island City, 74.3°F (23.5°C) is the average high-temperature and 62.6°F (17°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 86°F (30°C).

What is the average humidity in September in Long Island City?

In Long Island City, New York, the average relative humidity in September is 73%.

What is the driest month in Long Island City?

The month with the least rainfall in Long Island City, New York, is September, when the rain falls for 6.6 days and typically collects 0.2" (5mm) of precipitation.

How many days does it rain in September in Long Island City?

In Long Island City, New York, in September, during 6.6 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

When it does not snow in Long Island City?

In Long Island City, snow does not fall in April through November.

How many hours of daylight does Long Island City have in September?

In Long Island City, the average day length in September is 12h and 27min.

When are sunrise and sunset in September in Long Island City?

On the first day of September, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

How many hours of sunshine does Long Island City have in September?

In Long Island City, the average sunshine duration in September is 9h.

How high is the UV index in September in Long Island City?

In Long Island City, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Long Island City, NY

Average temperature in September - Long Island City, NY
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 62.6°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in September
Long Island City, NY

Average pressure in September - Long Island City, 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
Long Island City, NY

Average wind speed in September - Long Island City, NY
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

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Average humidity in September
Long Island City, NY

Average humidity in September - Long Island City, NY
  • Average humidity in September: 73%

The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in September
Long Island City, NY

Average rainfall in September - Long Island City, NY
  • Average rainfall in September: 0.2"

The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is September (0.2").

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Average rainfall days in September
Long Island City, NY

Average rainfall days in September - Long Island City, NY
  • Average rainfall days in September: 6.6 days

The month with the highest number of rainy days is July (9.9 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in September
Long Island City, NY

Average snowfall in September - Long Island City, NY
  • Average snowfall in September: 0"

The months with the highest snowfall are February, March and December (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in September
Long Island City, NY

Average snowfall days in September - Long Island City, NY
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Long Island City, NY

Average daylight in September / Average sunshine in September - Long Island City, 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 0min

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
Long Island City, NY

Average sunshine days in September - Long Island City, NY
  • Average sunshine days in September: 21.5 days

The months with the most sunshine days are January and December (24 days).
The month with the least sunshine days is June (17.8 days).

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Average UV index in September
Long Island City, NY

Average UV index in September - Long Island City, NY
  • Average UV index in September: 5

The months with the highest UV index are May, 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
Long Island City, NY

Average cloud cover in September - Long Island City, NY
  • Average cloud cover in September: 33

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in September
Long Island City, NY

Average visibility in September - Long Island City, 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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Long Island City, New York, USA

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