September weather forecastJunction, WV
September
Weather in September
September, the first month of the autumn in Junction, is also a moderately hot month, with an average temperature ranging between max 75.2°F (24°C) and min 54°F (12.2°C).Temperature
September is characterized by a mild reduction in the average high-temperature, from a warm 82.2°F (27.9°C) in August to a still moderately hot 75.2°F (24°C). During the month of September, the temperature falls to an average of 54°F (12.2°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Junction, in September, it is raining for 14.5 days, with typically 2.01" (51mm) of accumulated precipitation. In Junction, during the entire year, the rain falls for 166 days and collects up to 25.83" (656mm) of precipitation.Snowfall
In Junction, snow does not fall in June through September.Daylight
The average length of the day in September in Junction is 12h and 26min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:45 pm. On the last day of September, in Junction, sunrise is at 7:11 am and sunset at 6:59 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index in Junction is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Junction, WV
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Junction, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Junction, WV
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Junction, WV
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in September
Junction, WV
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and November (1.73").
Average rainfall days in September
Junction, WV
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in September
Junction, WV
- Average snowfall in September: 0"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Junction, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Junction, WV
- Average daylight in September: 12h and 24min
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 30min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in September
Junction, WV
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Junction, WV
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Junction, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Junction, WV
- Average visibility in September: 5mi
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
