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 shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 78.1°F (25.6°C) to a pleasant 72.5°F (22.5°C). The average nighttime temperature lowers to a cool 52°F (11.1°C) throughout September.Humidity
In September, the average relative humidity in Osceola is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 15.8 days and accumulates 2.13" (54mm) of precipitation.Snowfall
June through September are months without snowfall in Osceola.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:02 pm EDT.
Sunshine
In September, the average sunshine in Osceola is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Osceola?
What is the average humidity in September in Osceola?
What is the driest month in Osceola?
How much does it rain in Osceola in September?
When it does not snow in Osceola?
Does it snow in Osceola in September?
How many hours of daylight does Osceola have in September?
What time are sunrise and sunset in September in Osceola?
How long on average sun shines in September in Osceola?
What is the UV index reading in September in Osceola?
Average temperature in September
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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
Osceola, 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).
Osceola, West Virginia, USA
Weather forecast for your location
2. Allow the app to use your location