September weather forecastGrandview Gardens, WV
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Grandview Gardens, West Virginia, with an average temperature ranging between max 79.3°F (26.3°C) and min 58.1°F (14.5°C).Temperature
September signals a slight drop in average high-temperature, sliding from August's 85.6°F (29.8°C) to a still moderately hot 79.3°F (26.3°C). Grandview Gardens records an average temperature drop to a mild 58.1°F (14.5°C) in September.Humidity
In Grandview Gardens, West Virginia, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall in Grandview Gardens, West Virginia. Rain falls for 11.4 days and accumulates 1.42" (36mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 7:00 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:14 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Grandview Gardens, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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
Grandview Gardens, 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).





