September weather forecastMount Lookout, WV

September

Weather in September

September, the first month of the autumn in Mount Lookout, is also a moderately hot month, with an average temperature varying between 54.1°F (12.3°C) and 74.8°F (23.8°C).

Temperature

The advent of September brings a subtle shift in temperature, with the average high moving from a warm 80.6°F (27°C) in August to a still moderately hot 74.8°F (23.8°C). In Mount Lookout, September nights witness a steady temperature drop to a cool 54.1°F (12.3°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

The month with the least rainfall in Mount Lookout is September, when the rain falls for 14.3 days and typically collects 1.69" (43mm) of precipitation.

Snowfall

June through September are months without snowfall in Mount Lookout, West Virginia.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:07 pm EDT.

Sunshine

In September, the average sunshine in Mount Lookout is 8.5h.

UV index

In September, the average daily maximum UV index in Mount Lookout, West Virginia, is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Mount Lookout, is 74.8°F (23.8°C), while the low-temperature averages to 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 appraised at 86°F (30°C).

In September, the average relative humidity is 79%.

The month with the least rainfall in Mount Lookout, West Virginia, is September, when the rain falls for 14.3 days and typically collects 1.69" (43mm) of precipitation.

In September, in Mount Lookout, West Virginia, the rain falls for 14.3 days. Throughout September, 1.69" (43mm) of precipitation is accumulated.

June through September are months without snowfall in Mount Lookout, West Virginia.

In Mount Lookout, West Virginia, in September, it doesn't snow. In October, it regularly snows.

In Mount Lookout, West Virginia, the average day length in September is 12h and 25min.

On the first day of September in Mount Lookout, West Virginia, sunrise is at 6:53 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:07 pm EDT.

In September, the average sunshine duration is 8.5h.

The average daily maximum UV index in September in Mount Lookout, West Virginia, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Mount Lookout, 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 (36.5°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 (23.2°F).

Average pressure in September
Mount Lookout, 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).

Average wind speed in September
Mount Lookout, WV

  • Average wind speed in September: 4.5mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Mount Lookout, WV

  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).

Average rainfall in September
Mount Lookout, WV

  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Mount Lookout, WV

  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).

Average snowfall in September
Mount Lookout, WV

  • Average snowfall in September: 0"

The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Mount Lookout, WV

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Mount Lookout, WV

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Mount Lookout, WV

  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).

Average UV index in September
Mount Lookout, 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
Mount Lookout, WV

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Mount Lookout, WV

  • Average visibility in September: 5mi

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