September weather forecast
Lindenhurst, NY

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Weather in September

The first month of the autumn, September, is still a pleasant month in Lindenhurst, New York, with temperature in the range of an average high of 72.3°F (22.4°C) and an average low of 65.7°F (18.7°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 78.4°F (25.8°C) in August to a pleasant 72.3°F (22.4°C). Lindenhurst observes an average low-temperature of 65.7°F (18.7°C) during the slightly cooler nights of September.

Humidity

In September, the average relative humidity is 74%.

Rainfall

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

Snowfall

In Lindenhurst, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September, 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.

Sunshine

The average sunshine in September is 9.1h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Lindenhurst in September?

In Lindenhurst, 72.3°F (22.4°C) is the average high-temperature and 65.7°F (18.7°C) is the average low-temperature during September.

What is the average humidity in September?

In September, the average relative humidity is 74%.

How much does it rain in September?

In Lindenhurst, during September, the rain falls for 13.2 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in Lindenhurst in September?

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

What is the average length of the day in September?

In September, the average day length is 12h and 27min.

What time are sunrise and sunset in September?

On the first day of September, 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 long on average sun shines in September?

In Lindenhurst, the average sunshine duration in September is 9.1h.

How high is the UV index in September?

In Lindenhurst, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Lindenhurst, New York, USA

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