September weather forecast and climate
York, NY

Weather in September

The first month of the autumn, September, is also an agreeable month in York, New York, with average temperature ranging between max 71.4°F (21.9°C) and min 52.7°F (11.5°C).

Temperature

In York, the average high-temperature slightly decreases, from a moderately hot 77.5°F (25.3°C) in August, to a pleasant 71.4°F (21.9°C). In York, the average low-temperature is 52.7°F (11.5°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

Months with the least rainfall in York are January and September Rain falls for 14.5 days and accumulates 1.77" (45mm) of rain.

Snowfall

June through September are months without snowfall in York.

Daylight

In York, the average length of the day in September is 12.5h.

Sunshine

In York, New York, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in York?

In York, New York, in September, the average high-temperature is 71.4°F (21.9°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September in York?

In York, New York, the average relative humidity in September is 78%.

How many days does it rain in September in York?

In York, New York, in September, it is raining for 14.5 days, with typically 1.77" (45mm) of accumulated precipitation.

What is the driest month in York?

Months with the least rainfall in York are January and September Rain falls for 14.5 days and accumulates 1.77" (45mm) of rain.

Does it snow in York in September?

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

When it does not snow in York?

In York, New York, snow does not fall in June through September.

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

The average length of the day in September in York is 12.5h.

How long on average sun shines in September in York?

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

What is the UV index intensity in September in York?

In York, New York, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
York, NY

Average temperature in September - York, NY
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (29.1°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in September
York, NY

Average pressure in September - York, NY
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
York, NY

Average wind speed in September - York, NY
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).

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Average humidity in September
York, NY

Average humidity in September - York, NY
  • Average humidity in September: 78%

Months with the highest relative humidity are January and February (86%).
Months with the lowest relative humidity are April and May (77%).

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Average rainfall in September
York, NY

Average rainfall in September - York, NY
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is May (2.95").
The driest months (with the least rainfall) are January and September (1.77").

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Average rainfall days in September
York, NY

Average rainfall days in September - York, NY
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in September
York, NY

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

The month with the highest snowfall is February (8.07").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
York, NY

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

The month with the highest number of snowfall days is January (19.1 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
York, NY

Average daylight in September / Average sunshine in September - York, NY
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 8.8h

The month with the most sunshine is July (Average sunshine: 10.3h).
Months with the least sunshine are January and February (Average sunshine: 2.7).

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Average sunshine days in September
York, NY

Average sunshine days in September - York, NY
  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is September (13.1 days).
The month with the least sunshine days is February (5.9 days).

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Average UV index in September
York, NY

Average UV index in September - York, NY
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in September
York, NY

Average cloud cover in September - York, NY
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in September
York, NY

Average visibility in September - York, NY
  • Average visibility in September: 6mi

Months with the highest visibility are April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, November and December (5mi).

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