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
McClellan's weather subtly changes with the onset of September, barely falling from 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). An average low-temperature of 54.7°F (12.6°C) is noted during the nights in September in McClellan.Humidity
In McClellan, West Virginia, the average relative humidity in September is 79%.Rainfall
In September, in McClellan, the rain falls for 15.4 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. Throughout the year, in McClellan, there are 188.6 rainfall days, and 39.17" (995mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In McClellan, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:50 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the temperature in September in McClellan?
What is the average humidity in September in McClellan?
How many days does it rain in September in McClellan?
When it does not snow in McClellan?
Does it snow in McClellan in September?
How many hours of daylight does McClellan have in September?
When are sunrise and sunset in September in McClellan?
How long on average sun shines in September in McClellan?
What is the UV index reading in September in McClellan?
Average temperature in September
McClellan, WV
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
McClellan, 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
McClellan, WV
- Average wind speed in September: 4.5mph
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
McClellan, WV
- Average humidity in September: 79%
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
McClellan, WV
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in September
McClellan, WV
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in September
McClellan, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
McClellan, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
McClellan, 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: 2h and 54min).
Average sunshine days in September
McClellan, WV
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in September
McClellan, WV
- Average UV index in September: 4
The months with the highest UV index are May 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
McClellan, WV
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
McClellan, 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).
McClellan, West Virginia, USA
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