September weather forecastHarveytown, WV
September
Weather in September
September, the first month of the autumn in Harveytown, is also a moderately hot month, with an average temperature varying between 58.1°F (14.5°C) and 79.3°F (26.3°C).Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 85.6°F (29.8°C) in August to a still moderately hot 79.3°F (26.3°C). An average temperature of 58.1°F (14.5°C) is recorded during the nights in September.Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 1.42" (36mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Harveytown is 12h and 25min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:13 pm EDT.
Sunshine
In Harveytown, West Virginia, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. 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
Harveytown, WV
- Average high temperature in September: 79.3°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in September
Harveytown, 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
Harveytown, WV
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Harveytown, WV
- Average humidity in September: 75%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Harveytown, WV
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Harveytown, WV
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Harveytown, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Harveytown, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Harveytown, 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 30min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Harveytown, WV
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in September
Harveytown, 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
Harveytown, WV
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Harveytown, WV
- Average visibility in September: 5mi
The months with the highest visibility are April, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, September and December (5mi).
