September weather forecast
Tarrytown, NY

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A suspension bridge near the tall lighthouse also known as the Legend of Sleepy Hollow, in Tarrytown, New York
A suspension bridge near the tall lighthouse also known as the Legend of Sleepy Hollow, in Tarrytown, New York

Weather in September

September, the first month of the autumn in Tarrytown, is still a warm month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 59.5°F (15.3°C).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from 82.6°F (28.1°C) in August to a still warm 75.2°F (24°C). Tarrytown records an average low-temperature of 59.5°F (15.3°C) throughout the month of September.

Humidity

In September, the average relative humidity is 74%.

Rainfall

In Tarrytown, during September, the rain falls for 11.5 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Tarrytown, New York, during the entire year, the rain falls for 132.4 days and collects up to 15.63" (397mm) of precipitation.

Snowfall

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

Daylight

In Tarrytown, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:27 pm. On the last day of September, in Tarrytown, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In Tarrytown, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 4 in September transforms into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What are the temperatures in Tarrytown in September?

September temperatures in Tarrytown vary between a high-temperature of 75.2°F (24°C) and a low-temperature of 59.5°F (15.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in September in Tarrytown?

In Tarrytown, New York, the average relative humidity in September is 74%.

How much does it rain in Tarrytown in September?

In September, in Tarrytown, the rain falls for 11.5 days. Throughout September, 1.02" (26mm) of precipitation is accumulated.

When it does not snow in Tarrytown?

May through September are months without snowfall.

Does it snow in Tarrytown in September?

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

What is the average length of the day in September in Tarrytown?

In September, the average day length in Tarrytown, New York, is 12h and 28min.

What time are sunrise and sunset in September in Tarrytown?

On the first day of September in Tarrytown, sunrise is at 6:22 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

How long on average sun shines in September in Tarrytown?

In Tarrytown, New York, the average sunshine duration in September is 8.8h.

What is the UV index reading in September in Tarrytown?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Tarrytown, NY

Average temperature in September - Tarrytown, NY
  • Average high temperature in September: 75.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).

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Average pressure in September
Tarrytown, NY

Average pressure in September - Tarrytown, NY
  • Average pressure in September: 30.06"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
Tarrytown, NY

Average wind speed in September - Tarrytown, NY
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

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Average humidity in September
Tarrytown, NY

Average humidity in September - Tarrytown, NY
  • Average humidity in September: 74%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in September
Tarrytown, NY

Average rainfall in September - Tarrytown, NY
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").

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Average rainfall days in September
Tarrytown, NY

Average rainfall days in September - Tarrytown, NY
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in September
Tarrytown, NY

Average snowfall in September - Tarrytown, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Tarrytown, NY

Average snowfall days in September - Tarrytown, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.2 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
Tarrytown, NY

Average daylight in September / Average sunshine in September - Tarrytown, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
Tarrytown, NY

Average sunshine days in September - Tarrytown, NY
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).

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Average UV index in September
Tarrytown, NY

Average UV index in September - Tarrytown, NY
  • Average UV index in September: 4

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
Tarrytown, NY

Average cloud cover in September - Tarrytown, NY
  • Average cloud cover in September: 35

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in September
Tarrytown, NY

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

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