September weather forecast
Highmount, NY

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Weather in September

The first month of the autumn, September, is still a refreshing month in Highmount, New York, with an average temperature ranging between max 67.6°F (19.8°C) and min 48.2°F (9°C).

Temperature

In Highmount, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 73.9°F (23.3°C) to an enjoyable 67.6°F (19.8°C). Throughout September, Highmount experiences a low-temperature average of 48.2°F (9°C).

Humidity

The average relative humidity in September in Highmount is 83%.

Rainfall

September is the month with the least rainfall in Highmount. Rain falls for 14 days and accumulates 2.99" (76mm) of precipitation.

Snowfall

In Highmount, snow does not fall in June through September.

Daylight

In September, the average length of the day in Highmount, New York, is 12h and 28min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:31 pm. On the last day of September, in Highmount, New York, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

Sunshine

The average sunshine in September in Highmount, New York, is 7.3h.

UV index

In Highmount, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 3 during September morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Updated: Feb 13, 2024 | Published by: Weather U.S. | Resources

Frequently asked questions

What are the temperatures in Highmount in September?

The high-temperature, in September, in Highmount, is 67.6°F (19.8°C), while the low-temperature averages to 48.2°F (9°C).

What is the average humidity in September in Highmount?

In Highmount, New York, the average relative humidity in September is 83%.

What is the driest month in Highmount?

The month with the least rainfall is September, when the rain falls for 14 days and typically collects 2.99" (76mm) of precipitation.

How many days does it rain in September in Highmount?

In Highmount, New York, during September, the rain falls for 14 days and regularly aggregates up to 2.99" (76mm) of precipitation.

When it does not snow in Highmount?

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

Does it snow in Highmount in September?

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

How many hours of daylight does Highmount have in September?

The average day length in September in Highmount, New York, is 12h and 28min.

When is the sunrise / sunset in September in Highmount?

On the first day of September in Highmount, New York, sunrise is at 6:24 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:40 pm EDT.

How long on average sun shines in September in Highmount?

In Highmount, New York, the average sunshine duration in September is 7.3h.

How high is the UV index in September in Highmount?

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Highmount, NY

Average temperature in September - Highmount, NY
  • Average high temperature in September: 67.6°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in September: 48.2°F

The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).

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Average pressure in September
Highmount, NY

Average pressure in September - Highmount, 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
Highmount, NY

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

The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Highmount, NY

Average humidity in September - Highmount, NY
  • Average humidity in September: 83%

The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (80%).

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Average rainfall in September
Highmount, NY

Average rainfall in September - Highmount, NY
  • Average rainfall in September: 2.99"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.99").

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Average rainfall days in September
Highmount, NY

Average rainfall days in September - Highmount, NY
  • Average rainfall days in September: 14 days

The months with the highest number of rainy days are May and July (19.9 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall in September
Highmount, NY

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

The months with the highest snowfall are February and December (17.32").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Highmount, NY

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

The month with the highest number of snowfall days is January (22.1 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
Highmount, NY

Average daylight in September / Average sunshine in September - Highmount, 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: 7h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).

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Average sunshine days in September
Highmount, NY

Average sunshine days in September - Highmount, NY
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (5.4 days).

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Average UV index in September
Highmount, NY

Average UV index in September - Highmount, NY
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in September
Highmount, NY

Average cloud cover in September - Highmount, NY
  • Average cloud cover in September: 51

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 46).

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Average visibility in September
Highmount, NY

Average visibility in September - Highmount, NY
  • Average visibility in September: 4mi

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

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Highmount, New York, USA

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