September weather forecastSlaty Fork, WV
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Slaty Fork, West Virginia, with an average temperature ranging between min 49.6°F (9.8°C) and max 69.4°F (20.8°C).Temperature
The advent of September reveals an average high-temperature of a pleasant 69.4°F (20.8°C), showing minimal difference from the prior month. In Slaty Fork, September nights witness a steady temperature drop to a frosty 49.6°F (9.8°C).Humidity
In September, the average relative humidity is 83%.Rainfall
In Slaty Fork, during September, the rain falls for 14.6 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Slaty Fork, during the entire year, the rain falls for 153.4 days and collects up to 23.23" (590mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Slaty Fork, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:04 pm EDT.
Sunshine
In September, the average sunshine in Slaty Fork is 7.5h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slaty Fork, WV
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Slaty Fork, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Slaty Fork, WV
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Slaty Fork, WV
- Average humidity in September: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).
Average rainfall in September
Slaty Fork, WV
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").
Average rainfall days in September
Slaty Fork, WV
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in September
Slaty Fork, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Slaty Fork, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Slaty Fork, 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 30min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Slaty Fork, WV
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in September
Slaty Fork, WV
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Slaty Fork, WV
- Average cloud cover in September: 51
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).
Average visibility in September
Slaty Fork, WV
- Average visibility in September: 4mi
The months with the highest visibility are April and November (5mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (4mi).
