September weather forecast
Cool Ridge, WV

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Weather in September

The first month of the autumn, September, is still a warm month in Cool Ridge, West Virginia, with an average temperature ranging between min 52.7°F (11.5°C) and max 74.8°F (23.8°C).

Temperature

Cool Ridge's transition into September involves a gentle shift in temperature, receding from a warm 80.4°F (26.9°C) in August to a still moderately hot 74.8°F (23.8°C). From the height of daytime heat, the temperature recedes to an average of 52.7°F (11.5°C) at night during September.

Humidity

In Cool Ridge, the average relative humidity in September is 80%.

Rainfall

The month with the least rainfall is September, when the rain falls for 15.5 days and typically collects 1.69" (43mm) of precipitation.

Snowfall

June through September are months without snowfall in Cool Ridge.

Daylight

In Cool Ridge, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:08 pm EDT.

Sunshine

In Cool Ridge, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Cool Ridge in September?

In Cool Ridge, in September, the average high-temperature is 74.8°F (23.8°C), and the average low-temperature is 52.7°F (11.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in July is estimated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 80%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 15.5 days and accumulates 1.69" (43mm) of precipitation.

How much does it rain in September?

In Cool Ridge, during September, the rain falls for 15.5 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow?

In Cool Ridge, snow does not fall in June through September.

Does it snow in September?

In Cool Ridge, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

The average day length in September is 12h and 25min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:08 pm EDT.

How many hours of sunshine does Cool Ridge have in September?

In September, the average sunshine duration is 8.2h.

How high is the UV index in September?

In Cool Ridge, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes 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
Cool Ridge, WV

Average temperature in September - Cool Ridge, WV
  • Average high temperature in September: 74.8°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in September
Cool Ridge, WV

Average pressure in September - Cool Ridge, 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 (29.99"Hg).

Average wind speed in September
Cool Ridge, WV

Average wind speed in September - Cool Ridge, WV
  • Average wind speed in September: 4.5mph

The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Cool Ridge, WV

Average humidity in September - Cool Ridge, WV
  • Average humidity in September: 80%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (78%).

Average rainfall in September
Cool Ridge, WV

Average rainfall in September - Cool Ridge, WV
  • Average rainfall in September: 1.69"

The wettest months (with the highest rainfall) are February and May (3.5").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Cool Ridge, WV

Average rainfall days in September - Cool Ridge, WV
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.9 days).

Average snowfall in September
Cool Ridge, WV

Average snowfall in September - Cool Ridge, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Cool Ridge, WV

Average snowfall days in September - Cool Ridge, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Cool Ridge, WV

Average daylight in September / Average sunshine in September - Cool Ridge, 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 1min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in September
Cool Ridge, WV

Average sunshine days in September - Cool Ridge, WV
  • Average sunshine days in September: 11.3 days

The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is May (8.8 days).

Average UV index in September
Cool Ridge, WV

Average UV index in September - Cool Ridge, WV
  • Average UV index in September: 4

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

Average cloud cover in September
Cool Ridge, WV

Average cloud cover in September - Cool Ridge, WV
  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in September
Cool Ridge, WV

Average visibility in September - Cool Ridge, WV
  • Average visibility in September: 4mi

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

Cool Ridge, West Virginia, USA

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