September weather forecastSturms Mill, WV
September
Weather in September
The first month of the autumn, September, is still a warm month in Sturms Mill, West Virginia, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 54.7°F (12.6°C).Temperature
September brings a minor shift in the average high-temperature, adjusting from 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Throughout September, an average low-temperature of 54.7°F (12.6°C) is experienced.Humidity
In September, the average relative humidity is 79%.Rainfall
In Sturms Mill, in September, it is raining for 15.4 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 188.6 rainfall days, and 39.17" (995mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:04 pm EDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. 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
Sturms Mill, WV
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 54.7°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 (22.5°F).
Average pressure in September
Sturms Mill, WV
- Average pressure in September: 30.05"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
Sturms Mill, WV
- Average wind speed in September: 4.5mph
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 (4.2mph).
Average humidity in September
Sturms Mill, WV
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Sturms Mill, WV
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in September
Sturms Mill, WV
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in September
Sturms Mill, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sturms Mill, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sturms Mill, 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 24min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Sturms Mill, WV
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in September
Sturms Mill, WV
- Average UV index in September: 4
The months with the highest UV index are May 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
Sturms Mill, WV
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Sturms Mill, 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).





