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
With the beginning of September, the average high-temperature shows a small decrease, transitioning from 81.5°F (27.5°C) in August to a still warm 75.6°F (24.2°C). Bison, during the month of September, experiences an average low-temperature of 54.5°F (12.5°C).Humidity
In Bison, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.8 days and typically collects 1.93" (49mm) of precipitation.Snowfall
June through September are months without snowfall in Bison.Daylight
In September, the average length of the day in Bison is 12h and 26min.On the first day of September in Bison, sunrise is at 6:52 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:06 pm EDT.
Sunshine
In September, the average sunshine in Bison is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during September translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Frequently asked questions
What are September temperatures in Bison?
What is the average humidity in September in Bison?
What is the driest month in Bison?
How many days does it rain in September in Bison?
When it does not snow in Bison?
Does it snow in Bison in September?
How many hours of daylight does Bison have in September?
When is the sunrise / sunset in September in Bison?
How many hours of sunshine does Bison have in September?
What is the UV index reading in September in Bison?
Average temperature in September
Bison, WV
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (36.5°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 (23.4°F).
Average pressure in September
Bison, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Bison, WV
- Average wind speed in September: 4.4mph
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 (4.1mph).
Average humidity in September
Bison, WV
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).
Average rainfall in September
Bison, WV
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Bison, WV
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (12.9 days).
Average snowfall in September
Bison, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bison, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bison, WV
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Bison, WV
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (14.3 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index in September
Bison, WV
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Bison, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Bison, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Bison, West Virginia, USA
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