September weather forecastSwitchback, WV
September
Weather in September
September, the first month of the autumn in Switchback, is still a warm month, with an average temperature fluctuating between 75°F (23.9°C) and 52.9°F (11.6°C).Temperature
With the onset of September, the average high-temperature subtly recedes from August's moderately hot 80.8°F (27.1°C) to a still warm 75°F (23.9°C). The September nights in Switchback, West Virginia, bear witness to a significant drop from the daytime highs, settling at an average temperature of 52.9°F (11.6°C).Humidity
The average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Switchback is September, when the rain falls for 14.5 days and typically collects 1.5" (38mm) of precipitation.Snowfall
In Switchback, West Virginia, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Switchback, sunrise is at 6:56 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.
Sunshine
In September, the average sunshine in Switchback is 8.4h.UV index
In Switchback, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Switchback, WV
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in September
Switchback, 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 (29.99"Hg).
Average wind speed in September
Switchback, WV
- Average wind speed in September: 4.6mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Switchback, WV
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in September
Switchback, WV
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Switchback, WV
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (10 days).
Average snowfall in September
Switchback, WV
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Switchback, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Switchback, WV
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Switchback, WV
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are February and May (9.8 days).
Average UV index in September
Switchback, 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
Switchback, WV
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Switchback, WV
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
