September weather forecastLookout, WV
September
Weather in September
The first month of the autumn, September, is still a warm month in Lookout, West Virginia, with an average temperature varying between 75.7°F (24.3°C) and 54.1°F (12.3°C).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 81.5°F (27.5°C) in August to a still moderately hot 75.7°F (24.3°C). September is characterized by a distinct thermal shift, with nighttime lows averaging at a cool 54.1°F (12.3°C).Humidity
In Lookout, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 15.1 days and typically collects 1.54" (39mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Lookout, West Virginia, is 12h and 25min.On the first day of September, sunrise is at 6:54 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.
Sunshine
In Lookout, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Lookout is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lookout, WV
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in September
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
Lookout, WV
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Lookout, WV
- Average humidity in September: 79%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (77%).
Average rainfall in September
Lookout, WV
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Lookout, WV
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (11 days).
Average snowfall in September
Lookout, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lookout, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
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 18min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Lookout, WV
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in September
Lookout, WV
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lookout, WV
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Lookout, 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).
