September weather forecastLost City, WV
September
Weather in September
The first month of the autumn, September, is still a warm month in Lost City, West Virginia, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 54.3°F (12.4°C).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 81.9°F (27.7°C) in August to a still warm 75.2°F (24°C). Lost City's nighttime temperature during September is consistently averaged at a fresh 54.3°F (12.4°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Lost City, in September, it is raining for 12.8 days, with typically 1.61" (41mm) of accumulated precipitation. In Lost City, during the entire year, the rain falls for 147.6 days and collects up to 21.02" (534mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Lost City, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:59 pm EDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lost City, WV
- Average high temperature in September: 75.2°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 (37.6°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in September
Lost City, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Lost City, WV
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Lost City, WV
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in September
Lost City, WV
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in September
Lost City, WV
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Lost City, WV
- Average snowfall in September: 0"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lost City, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Lost City, WV
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Lost City, WV
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Lost City, WV
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lost City, WV
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Lost City, WV
- Average visibility in September: 5mi
The months with the highest visibility are January, February, April, June, July, November and December (6mi).
The months with the lowest visibility are March, May, August, September and October (5mi).





