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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 81.9°F (27.7°C) in August to a still moderately hot 76.1°F (24.5°C). The month of September sees a significant daily temperature drop, recording an average low-temperature of 54.5°F (12.5°C) in Fort Grand, West Virginia.Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.5 days and typically collects 2.13" (54mm) of precipitation.Snowfall
June through September are months without snowfall in Fort Grand.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
In September, the average sunshine in Fort Grand is 8.5h.UV index
In Fort Grand, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What is the average September temperature in Fort Grand?
What is the average humidity in September in Fort Grand?
What is the driest month in Fort Grand?
How much does it rain in Fort Grand in September?
When it does not snow in Fort Grand?
Does it snow in Fort Grand in September?
How many hours of daylight does Fort Grand have in September?
What time are sunrise and sunset in September in Fort Grand?
How long on average sun shines in September in Fort Grand?
What is the UV index intensity in September in Fort Grand?
Average temperature in September
Fort Grand, WV
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in September
Fort Grand, WV
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Fort Grand, WV
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Fort Grand, WV
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Fort Grand, WV
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Fort Grand, WV
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in September
Fort Grand, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fort Grand, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fort Grand, WV
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Fort Grand, WV
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is November (14.5 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in September
Fort Grand, WV
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Fort Grand, WV
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Fort Grand, 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).
Fort Grand, West Virginia, USA
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