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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's moderately hot 79°F (26.1°C) to an agreeable 73.2°F (22.9°C). During September, Etam's temperature averages to a cool 52.7°F (11.5°C) at night.Humidity
In Etam, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 15.9 days and accumulates 2.2" (56mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:02 pm EDT.
Sunshine
In Etam, the average sunshine in September is 8.5h.UV index
In Etam, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Etam?
What is the UV index reading in September?
Average temperature in September
Etam, WV
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Etam, 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
Etam, WV
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Etam, WV
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are June, July, August and November (79%).
Average rainfall in September
Etam, WV
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in September
Etam, WV
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is May (21.6 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Etam, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (9.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Etam, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Etam, 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 30min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Etam, WV
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is January (6 days).
Average UV index in September
Etam, 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
Etam, WV
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Etam, WV
- Average visibility in September: 4mi
The months with the highest visibility are April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, March, September and December (4mi).
Etam, West Virginia, USA
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