September weather forecast
Coal Mountain, WV

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Weather in September

September, the first month of the autumn in Coal Mountain, is also a moderately hot month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 76.5°F (24.7°C).

Temperature

The average high-temperature shows a slight dip in September, from August's moderately hot 82.4°F (28°C) to a still warm 76.5°F (24.7°C). Coal Mountain registers a pronounced decline from daytime peak temperatures, averaging a fresh 54.1°F (12.3°C) lows in September.

Humidity

In Coal Mountain, West Virginia, the average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall in Coal Mountain. Rain falls for 10.8 days and accumulates 0.71" (18mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Coal Mountain, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:57 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:11 pm EDT.

Sunshine

In Coal Mountain, the average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September in Coal Mountain is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 4 during September leads to these instructions:
Heed the precautions - It is counselled to guard against solar damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What is the temperature in September in Coal Mountain?

During September, Coal Mountain experiences an average high-temperature of 76.5°F (24.7°C) and a low-temperature of 54.1°F (12.3°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 89.6°F (32°C).

What is the average humidity in September in Coal Mountain?

In September, the average relative humidity is 78%.

What is the driest month in Coal Mountain?

September is the month with the least rainfall in Coal Mountain, West Virginia. Rain falls for 10.8 days and accumulates 0.71" (18mm) of precipitation.

How much does it rain in Coal Mountain in September?

In Coal Mountain, West Virginia, in September, during 10.8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Coal Mountain?

June through September are months without snowfall.

Does it snow in Coal Mountain in September?

In Coal Mountain, West Virginia, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Coal Mountain?

In September, the average day length in Coal Mountain is 12h and 25min.

When are sunrise and sunset in September in Coal Mountain?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 7:55 pm. On the last day of the month, in Coal Mountain, sunrise is at 7:22 am and sunset at 7:11 pm EDT.

How long on average sun shines in September in Coal Mountain?

In Coal Mountain, the average sunshine duration in September is 8.3h.

What is the UV index intensity in September in Coal Mountain?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Coal Mountain, WV

Average temperature in September - Coal Mountain, WV
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure in September
Coal Mountain, WV

Average pressure in September - Coal Mountain, WV
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Coal Mountain, WV

Average wind speed in September - Coal Mountain, WV
  • Average wind speed in September: 4.3mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in September
Coal Mountain, WV

Average humidity in September - Coal Mountain, WV
  • Average humidity in September: 78%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (77%).

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Average rainfall in September
Coal Mountain, WV

Average rainfall in September - Coal Mountain, WV
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in September
Coal Mountain, WV

Average rainfall days in September - Coal Mountain, WV
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in September
Coal Mountain, WV

Average snowfall in September - Coal Mountain, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Coal Mountain, WV

Average snowfall days in September - Coal Mountain, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.3 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
Coal Mountain, WV

Average daylight in September / Average sunshine in September - Coal Mountain, WV
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in September
Coal Mountain, WV

Average sunshine days in September - Coal Mountain, WV
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).

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Average UV index in September
Coal Mountain, WV

Average UV index in September - Coal Mountain, WV
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Coal Mountain, WV

Average cloud cover in September - Coal Mountain, WV
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in September
Coal Mountain, WV

Average visibility in September - Coal Mountain, WV
  • Average visibility in September: 5mi

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

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Coal Mountain, West Virginia, USA

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