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 onset of September results in a small decrease in the average high-temperature, moderately receding from 82°F (27.8°C) in August to a still warm 75.9°F (24.4°C). The September nights bear witness to a significant drop from the daytime highs, settling at an average temperature of 54.1°F (12.3°C).Humidity
In Allen Junction, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Allen Junction is September, when the rain falls for 15.5 days and typically collects 1.57" (40mm) of precipitation.Snowfall
June through September are months without snowfall in Allen Junction.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Allen Junction, sunrise is at 6:56 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.
Sunshine
In September, the average sunshine in Allen Junction is 8.3h.UV index
In Allen Junction, West Virginia, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the average September temperature in Allen Junction?
What is the average humidity in September in Allen Junction?
What is the driest month in Allen Junction?
How much does it rain in Allen Junction in September?
When it does not snow in Allen Junction?
Does it snow in Allen Junction in September?
How many hours of daylight does Allen Junction have in September?
What time are sunrise and sunset in September in Allen Junction?
How many hours of sunshine does Allen Junction have in September?
What is the UV index intensity in September in Allen Junction?
Average temperature in September
Allen Junction, WV
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in September
Allen Junction, 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 (29.99"Hg).
Average wind speed in September
Allen Junction, WV
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Allen Junction, WV
- Average humidity in September: 78%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in September
Allen Junction, WV
- Average rainfall in September: 1.57"
The wettest months (with the highest rainfall) are February and May (3.43").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Allen Junction, WV
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11.3 days).
Average snowfall in September
Allen Junction, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Allen Junction, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Allen Junction, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Allen Junction, WV
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Allen Junction, WV
- Average UV index in September: 4
The months with the highest UV index are June 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
Allen Junction, WV
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Allen Junction, WV
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Allen Junction, West Virginia, USA
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