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
A mild drop in Arnettsville's average high-temperature is observed in September, transitioning from a warm 81.9°F (27.7°C) in August to a still moderately hot 76.1°F (24.5°C). September nights present a stark temperature decrease to a cool 54.5°F (12.5°C).Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Arnettsville. Rain falls for 14.5 days and accumulates 2.13" (54mm) of precipitation.Snowfall
In Arnettsville, snow does not fall in June through September.Daylight
In Arnettsville, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:51 pm. On the last day of September, in Arnettsville, West Virginia, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
In September, the average sunshine in Arnettsville is 8.5h.UV index
In September, the average daily maximum UV index in Arnettsville, West Virginia, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Frequently asked questions
What are the temperatures in Arnettsville in September?
What is the average humidity in September in Arnettsville?
What is the driest month in Arnettsville?
How much does it rain in Arnettsville in September?
When it does not snow in Arnettsville?
Does it snow in Arnettsville in September?
How many hours of daylight does Arnettsville have in September?
When is the sunrise / sunset in September in Arnettsville?
How many hours of sunshine does Arnettsville have in September?
What is the UV index intensity in September in Arnettsville?
Average temperature in September
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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
Arnettsville, 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).
Arnettsville, West Virginia, USA
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