Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September involves a subtle temperature drop, shifting from 79.9°F (26.6°C) in August to a still moderately hot 73.4°F (23°C). Throughout the nights in September, Grassy Meadows experiences an average low-temperature of 52°F (11.1°C).Humidity
In Grassy Meadows, West Virginia, the average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in Grassy Meadows, West Virginia. Rain falls for 15.5 days and accumulates 1.81" (46mm) of precipitation.Snowfall
In Grassy Meadows, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:53 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:07 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Grassy Meadows, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during September leads to these advisories:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grassy Meadows in September?
What is the average humidity in September in Grassy Meadows?
What is the driest month in Grassy Meadows?
How much does it rain in Grassy Meadows in September?
When it does not snow in Grassy Meadows?
Does it snow in Grassy Meadows in September?
What is the average length of the day in September in Grassy Meadows?
When is the sunrise / sunset in September in Grassy Meadows?
How long on average sun shines in September in Grassy Meadows?
What is the UV index reading in September in Grassy Meadows?
Average temperature in September
Grassy Meadows, WV
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in September
Grassy Meadows, 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
Grassy Meadows, WV
- Average wind speed in September: 4.4mph
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 (4mph).
Average humidity in September
Grassy Meadows, WV
- Average humidity in September: 81%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (78%).
Average rainfall in September
Grassy Meadows, WV
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in September
Grassy Meadows, WV
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is May (22.2 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Grassy Meadows, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Grassy Meadows, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grassy Meadows, WV
- Average daylight in September: 12h and 2min
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 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Grassy Meadows, WV
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (7.7 days).
Average UV index in September
Grassy Meadows, WV
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Grassy Meadows, WV
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Grassy Meadows, WV
- Average visibility in September: 4mi
The months with the highest visibility are March, April, June, July, November and December (5mi).
The months with the lowest visibility are January, February, May, August, September and October (4mi).
Grassy Meadows, West Virginia, USA
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