September weather forecast
Lindenhurst, NY

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Weather in September

September, the first month of the autumn in Lindenhurst, 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 Lindenhurst, entering September brings a subtle temperature decrement, reducing from August's warm 78.4°F (25.8°C) to a pleasant 72.3°F (22.4°C). The nighttime temperature in Lindenhurst, New York, demonstrates a marginal decline, averaging at a comfortable 65.7°F (18.7°C) during September.

Humidity

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

Rainfall

In September, the rain falls for 13.2 days. Throughout September, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 158.8 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

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

Sunshine

In September, the average sunshine is 9.1h.

UV index

In Lindenhurst, New York, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun.
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Frequently asked questions

What is the average September temperature in Lindenhurst?

During September, Lindenhurst experiences an average high-temperature of 72.3°F (22.4°C) and a low-temperature of 65.7°F (18.7°C).

What is the average humidity in September in Lindenhurst?

The average relative humidity in September is 74%.

How many days does it rain in September in Lindenhurst?

In September, the rain falls for 13.2 days. Throughout September, 2.2" (56mm) of precipitation is accumulated.

When it does not snow in Lindenhurst?

May through September are months without snowfall in Lindenhurst.

Does it snow in Lindenhurst in September?

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

How many hours of daylight does Lindenhurst have in September?

In September, the average day length in Lindenhurst, New York, is 12h and 27min.

When are sunrise and sunset in September in Lindenhurst?

In September, on the first day of the month, 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 Lindenhurst have in September?

The average sunshine duration in September in Lindenhurst is 9.1h.

What is the UV index intensity in September in Lindenhurst?

In September, the average daily maximum UV index in Lindenhurst, New York, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Lindenhurst, NY

Average temperature in September - Lindenhurst, 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
Lindenhurst, NY

Average pressure in September - Lindenhurst, 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
Lindenhurst, NY

Average wind speed in September - Lindenhurst, 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
Lindenhurst, NY

Average humidity in September - Lindenhurst, 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
Lindenhurst, NY

Average rainfall in September - Lindenhurst, 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
Lindenhurst, NY

Average rainfall days in September - Lindenhurst, 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
Lindenhurst, NY

Average snowfall in September - Lindenhurst, 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
Lindenhurst, NY

Average snowfall days in September - Lindenhurst, 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
Lindenhurst, NY

Average daylight in September / Average sunshine in September - Lindenhurst, 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
Lindenhurst, NY

Average sunshine days in September - Lindenhurst, 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
Lindenhurst, NY

Average UV index in September - Lindenhurst, 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
Lindenhurst, NY

Average cloud cover in September - Lindenhurst, 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
Lindenhurst, NY

Average visibility in September - Lindenhurst, 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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Lindenhurst, New York, USA

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