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
Welch records a mild change in average high-temperature during September, easing from 82°F (27.8°C) in August to a still moderately hot 76.3°F (24.6°C). Despite the drastic temperature difference, Welch records an average nighttime low of 54.1°F (12.3°C) throughout September.Humidity
In Welch, West Virginia, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Welch, West Virginia, is September, when the rain falls for 15.2 days and typically collects 1.54" (39mm) of precipitation.Snowfall
In Welch, West Virginia, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:54 pm. On the last day of September, in Welch, West Virginia, sunrise is at 7:21 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September in Welch is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Take precautions - Protection against sunburn is recommended. It's recommended to limit sun exposure when its radiation is at its peak during midday. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the average September temperature in Welch?
What is the average humidity in September in Welch?
What is the driest month in Welch?
How many days does it rain in September in Welch?
When it does not snow in Welch?
Does it snow in Welch in September?
How many hours of daylight does Welch have in September?
When is the sunrise / sunset in September in Welch?
How many hours of sunshine does Welch have in September?
What is the UV index reading in September in Welch?
Average temperature in September
Welch, WV
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in September
Welch, 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
Welch, WV
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Welch, WV
- Average humidity in September: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).
Average rainfall in September
Welch, WV
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in September
Welch, WV
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).
Average snowfall in September
Welch, WV
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Welch, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Welch, 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
Welch, WV
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in September
Welch, 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 and December (UV index 2).
Average cloud cover in September
Welch, WV
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).
Average visibility in September
Welch, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Welch, West Virginia, USA
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