September weather forecastAshton, WV
September
Weather in September
September, the first month of the autumn in Ashton, is also a moderately hot month, with an average temperature ranging between max 79°F (26.1°C) and min 57.7°F (14.3°C).Temperature
Ashton records a mild change in average high-temperature during September, easing from 85.5°F (29.7°C) in August to a still moderately hot 79°F (26.1°C). In September, Ashton encounters an average low-temperature of 57.7°F (14.3°C) during the night.Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 1.77" (45mm) of precipitation.Snowfall
In Ashton, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:58 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:12 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Ashton, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ashton, WV
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Ashton, WV
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Ashton, WV
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Ashton, WV
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Ashton, WV
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Ashton, WV
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Ashton, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Ashton, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ashton, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Ashton, WV
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.6 days).
Average UV index in September
Ashton, WV
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Ashton, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Ashton, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





