September weather forecastDundon, WV
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dundon, West Virginia, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 74.8°F (23.8°C).Temperature
In Dundon, the average high-temperature in September gently drops from 80.6°F (27°C) in August to a still moderately hot 74.8°F (23.8°C). An average low-temperature of 54.1°F (12.3°C) is recorded during the nights in September.Humidity
The average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall in Dundon. Rain falls for 14.3 days and accumulates 1.69" (43mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:08 pm EDT.
Sunshine
In Dundon, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Guard yourself - Avoiding sunburn is suggested. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dundon, WV
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Dundon, 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
Dundon, WV
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Dundon, WV
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in September
Dundon, WV
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in September
Dundon, WV
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).
Average snowfall in September
Dundon, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dundon, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dundon, 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: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Dundon, WV
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).
Average UV index in September
Dundon, 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
Dundon, WV
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Dundon, 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).





