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 start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 78.1°F (25.6°C) in August to an agreeable 72.5°F (22.5°C). Throughout September, Mill Creek witnesses a nighttime temperature average of 52°F (11.1°C).Humidity
In Mill Creek, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Mill Creek is September, when the rain falls for 15.8 days and typically collects 2.13" (54mm) of precipitation.Snowfall
June through September are months without snowfall in Mill Creek.Daylight
In Mill Creek, 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 7:49 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:03 pm EDT.
Sunshine
In Mill Creek, the average sunshine in September is 8.4h.UV index
In Mill Creek, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in Mill Creek in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Mill Creek have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Mill Creek have in September?
How high is the UV index in September?
Average temperature in September
Mill Creek, WV
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Mill Creek, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Mill Creek, WV
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Mill Creek, WV
- Average humidity in September: 80%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are June, July, August and November (79%).
Average rainfall in September
Mill Creek, WV
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Mill Creek, WV
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Mill Creek, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mill Creek, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mill Creek, WV
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Mill Creek, WV
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is October (12.7 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in September
Mill Creek, WV
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Mill Creek, WV
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Mill Creek, WV
- Average visibility in September: 4mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February and September (4mi).
Mill Creek, West Virginia, USA
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