September weather forecast
Sterling Forest, NY

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Weather in September

The first month of the autumn, September, is still a warm month in Sterling Forest, New York, with an average temperature ranging between max 73.9°F (23.3°C) and min 55°F (12.8°C).

Temperature

September's arrival signals a moderate reduction in the average high-temperature, easing from a warm 80.8°F (27.1°C) in August to a still moderately hot 73.9°F (23.3°C). Sterling Forest's temperature drops to an average low of 55°F (12.8°C) during the nights of September.

Humidity

In Sterling Forest, the average relative humidity in September is 78%.

Rainfall

In Sterling Forest, in September, during 11.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Sterling Forest, during the entire year, the rain falls for 137.6 days and collects up to 23.31" (592mm) of precipitation.

Snowfall

In Sterling Forest, snow does not fall in June through September.

Daylight

The average length of the day in September in Sterling Forest is 12h and 28min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise prevention - Warding off sunburn is urged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What are the temperatures in Sterling Forest in September?

September temperatures in Sterling Forest, New York, vary between a high-temperature of 73.9°F (23.3°C) and a low-temperature of 55°F (12.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in September in Sterling Forest?

In Sterling Forest, the average relative humidity in September is 78%.

How much does it rain in Sterling Forest in September?

In Sterling Forest, in September, during 11.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow in Sterling Forest?

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

Does it snow in Sterling Forest in September?

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

How many hours of daylight does Sterling Forest have in September?

In September, the average day length is 12h and 28min.

When are sunrise and sunset in September in Sterling Forest?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:29 pm. On the last day of the month, in Sterling Forest, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

How long on average sun shines in September in Sterling Forest?

In September, the average sunshine duration in Sterling Forest, New York, is 8.7h.

What is the UV index reading in September in Sterling Forest?

In Sterling Forest, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Sterling Forest, NY

Average temperature in September - Sterling Forest, NY
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in September
Sterling Forest, NY

Average pressure in September - Sterling Forest, 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
Sterling Forest, NY

Average wind speed in September - Sterling Forest, NY
  • Average wind speed in September: 5.3mph

The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Sterling Forest, NY

Average humidity in September - Sterling Forest, NY
  • Average humidity in September: 78%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in September
Sterling Forest, NY

Average rainfall in September - Sterling Forest, NY
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in September
Sterling Forest, NY

Average rainfall days in September - Sterling Forest, NY
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in September
Sterling Forest, NY

Average snowfall in September - Sterling Forest, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Sterling Forest, NY

Average snowfall days in September - Sterling Forest, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.8 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
Sterling Forest, NY

Average daylight in September / Average sunshine in September - Sterling Forest, 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 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 24min).

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Average sunshine days in September
Sterling Forest, NY

Average sunshine days in September - Sterling Forest, NY
  • Average sunshine days in September: 16.2 days

The months with the most sunshine days are January and November (21 days).
The month with the least sunshine days is June (12 days).

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Average UV index in September
Sterling Forest, NY

Average UV index in September - Sterling Forest, 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
Sterling Forest, NY

Average cloud cover in September - Sterling Forest, NY
  • Average cloud cover in September: 39

The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Sterling Forest, NY

Average visibility in September - Sterling Forest, NY
  • Average visibility in September: 5mi

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

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Sterling Forest, New York, USA

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