September weather forecast
Montrose, NY

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Weather in September

The first month of the autumn, September, is still a warm month in Montrose, New York, with an average temperature varying between 74.5°F (23.6°C) and 56.3°F (13.5°C).

Temperature

September signals a slight drop in average high-temperature, sliding from August's warm 82°F (27.8°C) to a still moderately hot 74.5°F (23.6°C). During the nights in September, Montrose observes an average low-temperature of 56.3°F (13.5°C).

Humidity

In September, the average relative humidity in Montrose is 77%.

Rainfall

In September, in Montrose, the rain falls for 12.5 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Montrose, there are 148.4 rainfall days, and 30.55" (776mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Montrose.

Daylight

In Montrose, New York, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

Sunshine

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

UV index

In Montrose, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What is the temperature in September in Montrose?

The average high-temperature, in September, in Montrose, is 74.5°F (23.6°C), while the average low-temperature is 56.3°F (13.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 87.8°F (31°C).

What is the average humidity in September in Montrose?

In September, the average relative humidity in Montrose is 77%.

How much does it rain in Montrose in September?

In Montrose, New York, in September, during 12.5 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When it does not snow in Montrose?

June through September are months without snowfall in Montrose.

Does it snow in Montrose in September?

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

How many hours of daylight does Montrose have in September?

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

When is the sunrise / sunset in September in Montrose?

On the first day of September, sunrise is at 6:22 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 Montrose?

The average sunshine duration in September is 8.8h.

How high is the UV index in September in Montrose?

In Montrose, New York, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Montrose, NY

Average temperature in September - Montrose, NY
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in September
Montrose, NY

Average pressure in September - Montrose, 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
Montrose, NY

Average wind speed in September - Montrose, NY
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are January and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in September
Montrose, NY

Average humidity in September - Montrose, NY
  • Average humidity in September: 77%

The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Montrose, NY

Average rainfall in September - Montrose, NY
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is February (1.81").

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Average rainfall days in September
Montrose, NY

Average rainfall days in September - Montrose, NY
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in September
Montrose, NY

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

The month with the highest snowfall is March (3.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Montrose, NY

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

The month with the highest number of snowfall days is February (6.5 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
Montrose, NY

Average daylight in September / Average sunshine in September - Montrose, 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 5min

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).

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Average sunshine days in September
Montrose, NY

Average sunshine days in September - Montrose, NY
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in September
Montrose, NY

Average UV index in September - Montrose, NY
  • Average UV index in September: 4

The months with the highest UV index are June 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
Montrose, NY

Average cloud cover in September - Montrose, NY
  • Average cloud cover in September: 37

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 33).

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Average visibility in September
Montrose, NY

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

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

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Montrose, New York, USA

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