September weather forecast
Valley Cottage, NY

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Weather in September

September, the first month of the autumn in Valley Cottage, is also a moderately hot month, with an average temperature ranging between max 75.2°F (24°C) and min 58.5°F (14.7°C).

Temperature

Valley Cottage records a mild change in average high-temperature during September, easing from 82.9°F (28.3°C) in August to a still moderately hot 75.2°F (24°C). An average low-temperature of 58.5°F (14.7°C) is anticipated throughout the nights during September.

Humidity

In Valley Cottage, the average relative humidity in September is 74%.

Rainfall

In Valley Cottage, New York, in September, during 12.5 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Valley Cottage, during the entire year, the rain falls for 151.8 days and collects up to 30.79" (782mm) of precipitation.

Snowfall

In Valley Cottage, New York, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of September in Valley Cottage, New York, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

Sunshine

In Valley Cottage, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 4 in September translates into these instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Valley Cottage?

The average high-temperature, in September, in Valley Cottage, is 75.2°F (24°C), while the average low-temperature is 58.5°F (14.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Valley Cottage?

In Valley Cottage, the average relative humidity in September is 74%.

How many days does it rain in September in Valley Cottage?

In Valley Cottage, New York, during September, the rain falls for 12.5 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow in Valley Cottage?

In Valley Cottage, New York, snow does not fall in May through September.

Does it snow in Valley Cottage in September?

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

What is the average length of the day in September in Valley Cottage?

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

When is the sunrise / sunset in September in Valley Cottage?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

How long on average sun shines in September in Valley Cottage?

In September, the average sunshine duration is 8.7h.

How high is the UV index in September in Valley Cottage?

In Valley Cottage, New York, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Valley Cottage, NY

Average temperature in September - Valley Cottage, 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: 58.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in September
Valley Cottage, NY

Average pressure in September - Valley Cottage, 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).

Average wind speed in September
Valley Cottage, NY

Average wind speed in September - Valley Cottage, NY
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in September
Valley Cottage, NY

Average humidity in September - Valley Cottage, 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%).

Average rainfall in September
Valley Cottage, NY

Average rainfall in September - Valley Cottage, NY
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in September
Valley Cottage, NY

Average rainfall days in September - Valley Cottage, NY
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in September
Valley Cottage, NY

Average snowfall in September - Valley Cottage, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Valley Cottage, NY

Average snowfall days in September - Valley Cottage, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Valley Cottage, NY

Average daylight in September / Average sunshine in September - Valley Cottage, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Valley Cottage, NY

Average sunshine days in September - Valley Cottage, NY
  • Average sunshine days in September: 14.9 days

The months with the most sunshine days are January and November (20 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in September
Valley Cottage, NY

Average UV index in September - Valley Cottage, 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).

Average cloud cover in September
Valley Cottage, NY

Average cloud cover in September - Valley Cottage, NY
  • Average cloud cover in September: 36

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 32).

Average visibility in September
Valley Cottage, NY

Average visibility in September - Valley Cottage, 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).

Valley Cottage, New York, USA

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