September weather forecast
Greenfield Park, NY

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Weather in September

The first month of the autumn, September, is also an agreeable month in Greenfield Park, New York, with an average temperature fluctuating between 71.6°F (22°C) and 51.1°F (10.6°C).

Temperature

September marks a gentle change in average high-temperature, declining from August's moderately hot 79°F (26.1°C) to an agreeable 71.6°F (22°C). Throughout the month of September, Greenfield Park sees a steady low-temperature average of 51.1°F (10.6°C).

Humidity

In Greenfield Park, the average relative humidity in September is 80%.

Rainfall

In Greenfield Park, in September, during 11.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Greenfield Park, during the entire year, the rain falls for 138.8 days and collects up to 20.12" (511mm) of precipitation.

Snowfall

June through September are months without snowfall in Greenfield Park.

Daylight

In September, the average length of the day in Greenfield Park is 12h and 28min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

Sunshine

The average sunshine in September in Greenfield Park is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What are September temperatures in Greenfield Park?

The high-temperature, in September, in Greenfield Park, is 71.6°F (22°C), while the low-temperature averages to 51.1°F (10.6°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the average humidity in September in Greenfield Park?

In September, the average relative humidity in Greenfield Park is 80%.

How many days does it rain in September in Greenfield Park?

In September, in Greenfield Park, the rain falls for 11.1 days. Throughout September, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in Greenfield Park?

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

Does it snow in Greenfield Park in September?

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

How many hours of daylight does Greenfield Park have in September?

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

What time are sunrise and sunset in September in Greenfield Park?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Greenfield Park have in September?

In Greenfield Park, New York, the average sunshine duration in September is 8.7h.

What is the UV index reading in September in Greenfield Park?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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
Greenfield Park, NY

Average temperature in September - Greenfield Park, NY
  • Average high temperature in September: 71.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 51.1°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

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Average pressure in September
Greenfield Park, NY

Average pressure in September - Greenfield Park, 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
Greenfield Park, NY

Average wind speed in September - Greenfield Park, NY
  • Average wind speed in September: 4.9mph

The windiest months (with the highest average wind speed) are January, February and March (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in September
Greenfield Park, NY

Average humidity in September - Greenfield Park, NY
  • Average humidity in September: 80%

The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).

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Average rainfall in September
Greenfield Park, NY

Average rainfall in September - Greenfield Park, NY
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is July (2.32").
The driest months (with the least rainfall) are January and February (1.18").

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Average rainfall days in September
Greenfield Park, NY

Average rainfall days in September - Greenfield Park, NY
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (16.7 days).
The months with the least rainy days are January and February (6.1 days).

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Average snowfall in September
Greenfield Park, NY

Average snowfall in September - Greenfield Park, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Greenfield Park, NY

Average snowfall days in September - Greenfield Park, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.2 days).
The 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
Greenfield Park, NY

Average daylight in September / Average sunshine in September - Greenfield Park, NY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in September
Greenfield Park, NY

Average sunshine days in September - Greenfield Park, NY
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (12.1 days).

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Average UV index in September
Greenfield Park, NY

Average UV index in September - Greenfield Park, NY
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Greenfield Park, NY

Average cloud cover in September - Greenfield Park, NY
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).

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Average visibility in September
Greenfield Park, NY

Average visibility in September - Greenfield Park, NY
  • Average visibility in September: 4mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (5mi).
The months with the lowest visibility are May and September (4mi).

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Greenfield Park, New York, USA

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