September weather forecast and climate
Glenwood Landing, NY

Weather in September

The first month of the autumn, September, is still a warm month in Glenwood Landing, New York, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 73.4°F (23°C).

Temperature

In September, the average high-temperature marginally drops, from 80.4°F (26.9°C) in August, to a still warm 73.4°F (23°C). In Glenwood Landing, in September, the average low-temperature is 63.5°F (17.5°C).

Humidity

The average relative humidity in Glenwood Landing, New York, is 73%.

Rainfall

September is the month with the least rainfall in Glenwood Landing. Rain falls for 12.9 days and accumulates 2.4" (61mm) of precipitation.

Snowfall

May through October are months without snowfall.

Ocean temperature

In Glenwood Landing, the average seawater temperature in September is 70.2°F (21.2°C).
Note: For swimming, a surface water temperature of 70.2°F (21.2°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In September, the average length of the day is 12.4h.

Sunshine

The average sunshine in Glenwood Landing is 9h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in September in Glenwood Landing?

In Glenwood Landing, the average relative humidity in September is 73%.

What is the driest month in Glenwood Landing?

The month with the least rainfall is September when the rain falls for 12.9 days and typically collects 2.4" (61mm) of precipitation.

How much does it rain in Glenwood Landing in September?

In September, in Glenwood Landing, New York, the rain falls for 12.9 days. Throughout September, 2.4" (61mm) of precipitation is accumulated.

When it does not snow in Glenwood Landing?

May through October are months without snowfall in Glenwood Landing, New York.

How cold is the water in September in Glenwood Landing?

In Glenwood Landing, the average seawater temperature in September is 70.2°F (21.2°C). For swimming, a surface water temperature of 70.2°F (21.2°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Glenwood Landing have in September?

The average length of the day in September is 12.4h.

How long on average sun shines in September in Glenwood Landing?

In Glenwood Landing, New York, the average sunshine in September is 9h.

What is the UV index reading in September in Glenwood Landing?

In Glenwood Landing, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in September
Glenwood Landing, NY

Average temperature in September - Glenwood Landing, NY
  • Average high temperature in September: 73.4°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in September: 63.5°F

Months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in September
Glenwood Landing, NY

Average pressure in September - Glenwood Landing, NY
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Glenwood Landing, NY

Average wind speed in September - Glenwood Landing, NY
  • Average wind speed in September: 8.3mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity in September
Glenwood Landing, NY

Average humidity in September - Glenwood Landing, NY
  • Average humidity in September: 73%

Months with the highest relative humidity are February, May and December (75%).
Months with the lowest relative humidity are August and November (71%).

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Average rainfall in September
Glenwood Landing, NY

Average rainfall in September - Glenwood Landing, NY
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").

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Average rainfall days in September
Glenwood Landing, NY

Average rainfall days in September - Glenwood Landing, NY
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).

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Average snowfall in September
Glenwood Landing, NY

Average snowfall in September - Glenwood Landing, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.01").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Glenwood Landing, NY

Average snowfall days in September - Glenwood Landing, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in September
Glenwood Landing, NY

Average sea temperature in September - Glenwood Landing, NY
  • Average sea temperature in September: 70.1°F

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

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Average daylight in September /
Average sunshine in September
Glenwood Landing, NY

Average daylight in September / Average sunshine in September - Glenwood Landing, NY
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 9h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in September
Glenwood Landing, NY

Average sunshine days in September - Glenwood Landing, NY
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in September
Glenwood Landing, NY

Average UV index in September - Glenwood Landing, NY
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 6).
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
Glenwood Landing, NY

Average cloud cover in September - Glenwood Landing, NY
  • Average cloud cover in September: 33

Months with the most cloud cover are February and December (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in September
Glenwood Landing, NY

Average visibility in September - Glenwood Landing, NY
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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