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 onset of September brings a small shift in high-temperatures, falling from a moderately hot 80.8°F (27.1°C) in August to a still warm 75°F (23.9°C). During September, Dorothy witnesses a consistent average low-temperature of 54.1°F (12.3°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Dorothy, West Virginia, in September, during 13.8 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. In Dorothy, West Virginia, during the entire year, the rain falls for 173.9 days and collects up to 22.64" (575mm) of precipitation.Snowfall
In Dorothy, West Virginia, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Dorothy, sunrise is at 6:56 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:09 pm EDT.
Sunshine
In Dorothy, the average sunshine in September is 8.2h.UV index
In Dorothy, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Adopt protective measures - It is advised to guard against sun damage. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Dorothy?
What is the average humidity in September in Dorothy?
How many days does it rain in September in Dorothy?
When it does not snow in Dorothy?
Does it snow in Dorothy in September?
How many hours of daylight does Dorothy have in September?
What time are sunrise and sunset in September in Dorothy?
How long on average sun shines in September in Dorothy?
How high is the UV index in September in Dorothy?
Average temperature in September
Dorothy, WV
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 54.1°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Dorothy, 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 (29.98"Hg).
Average wind speed in September
Dorothy, WV
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Dorothy, WV
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).
Average rainfall in September
Dorothy, WV
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days in September
Dorothy, WV
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in September
Dorothy, WV
- Average snowfall in September: 0"
The months with the highest snowfall are January and March (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dorothy, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dorothy, 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 36min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Dorothy, WV
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (8.7 days).
Average UV index in September
Dorothy, WV
- Average UV index in September: 4
The month with the highest UV index is August (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
Dorothy, WV
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Dorothy, WV
- Average visibility in September: 4mi
The months with the highest visibility are February, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January and September (4mi).
Dorothy, West Virginia, USA
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