September weather forecast
North Salem, NY

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Weather in September

September, the first month of the autumn in North Salem, is also an agreeable month, with an average temperature fluctuating between 56.5°F (13.6°C) and 73°F (22.8°C).

Temperature

North Salem's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 80.2°F (26.8°C) in August to an agreeable 73°F (22.8°C). The nights of September in North Salem anticipate an average low-temperature of 56.5°F (13.6°C).

Humidity

The average relative humidity in September in North Salem is 78%.

Rainfall

In North Salem, during September, the rain falls for 9.7 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, in North Salem, there are 123.7 rainfall days, and 11.65" (296mm) of precipitation is accumulated.

Snowfall

In North Salem, snow does not fall in May through September.

Daylight

In North Salem, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 6:21 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm EDT.

Sunshine

In September, the average sunshine in North Salem, New York, is 8.6h.

UV index

In North Salem, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are September temperatures in North Salem?

In North Salem, in September, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 56.5°F (13.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 87.8°F (31°C).

What is the average humidity in September in North Salem?

The average relative humidity in September in North Salem is 78%.

How much does it rain in North Salem in September?

In North Salem, New York, in September, during 9.7 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When it does not snow in North Salem?

May through September are months without snowfall in North Salem, New York.

Does it snow in North Salem in September?

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

How many hours of daylight does North Salem have in September?

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

What time are sunrise and sunset in September in North Salem?

On the first day of September in North Salem, sunrise is at 6:21 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm EDT.

How many hours of sunshine does North Salem have in September?

In September, the average sunshine duration in North Salem is 8.6h.

What is the UV index intensity in September in North Salem?

In North Salem, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
North Salem, NY

Average temperature in September - North Salem, NY
  • Average high temperature in September: 73°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in September
North Salem, NY

Average pressure in September - North Salem, NY
  • Average pressure in September: 30.06"Hg

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

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Average wind speed in September
North Salem, NY

Average wind speed in September - North Salem, NY
  • Average wind speed in September: 5.9mph

The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
North Salem, NY

Average humidity in September - North Salem, NY
  • Average humidity in September: 78%

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in September
North Salem, NY

Average rainfall in September - North Salem, NY
  • Average rainfall in September: 0.67"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are January and February (0.55").

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Average rainfall days in September
North Salem, NY

Average rainfall days in September - North Salem, NY
  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in September
North Salem, NY

Average snowfall in September - North Salem, NY
  • Average snowfall in September: 0"

The months with the highest snowfall are January and February (0.75").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
North Salem, NY

Average snowfall days in September - North Salem, NY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.7 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
North Salem, NY

Average daylight in September / Average sunshine in September - North Salem, 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 months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in September
North Salem, NY

Average sunshine days in September - North Salem, NY
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is June (13.3 days).

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Average UV index in September
North Salem, NY

Average UV index in September - North Salem, NY
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
North Salem, NY

Average cloud cover in September - North Salem, NY
  • Average cloud cover in September: 37

The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in September
North Salem, NY

Average visibility in September - North Salem, NY
  • Average visibility in September: 6mi

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

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North Salem, New York, USA

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