September weather forecast
Osbornes Mills, WV

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Osbornes Mills, West Virginia, with an average temperature ranging between max 78.1°F (25.6°C) and min 56.7°F (13.7°C).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from a moderately hot 84.7°F (29.3°C) in August to a still warm 78.1°F (25.6°C). During the month of September, Osbornes Mills's nighttime temperature lowers to an average of 56.7°F (13.7°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12 days and typically collects 1.61" (41mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Osbornes Mills, West Virginia, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:55 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 4 during September translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

Osbornes Mills in September has an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 56.7°F (13.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is appraised at 93.2°F (34°C).

What is the average humidity in September?

In Osbornes Mills, West Virginia, the average relative humidity in September is 77%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.61" (41mm) of precipitation.

How much does it rain in Osbornes Mills in September?

In Osbornes Mills, in September, during 12 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow?

In Osbornes Mills, West Virginia, snow does not fall in June through September.

Does it snow in September?

In Osbornes Mills, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Osbornes Mills?

In Osbornes Mills, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September?

On the first day of September in Osbornes Mills, sunrise is at 6:55 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

How many hours of sunshine does Osbornes Mills have in September?

The average sunshine duration in September is 8.3h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Osbornes Mills, WV

Average temperature in September - Osbornes Mills, WV
  • Average high temperature in September: 78.1°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in September
Osbornes Mills, WV

Average pressure in September - Osbornes Mills, 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 (29.97"Hg).

Average wind speed in September
Osbornes Mills, WV

Average wind speed in September - Osbornes Mills, WV
  • Average wind speed in September: 4.3mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in September
Osbornes Mills, WV

Average humidity in September - Osbornes Mills, WV
  • Average humidity in September: 77%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Osbornes Mills, WV

Average rainfall in September - Osbornes Mills, WV
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in September
Osbornes Mills, WV

Average rainfall days in September - Osbornes Mills, WV
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.6 days).

Average snowfall in September
Osbornes Mills, WV

Average snowfall in September - Osbornes Mills, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.46").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Osbornes Mills, WV

Average snowfall days in September - Osbornes Mills, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Osbornes Mills, WV

Average daylight in September / Average sunshine in September - Osbornes Mills, 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: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in September
Osbornes Mills, WV

Average sunshine days in September - Osbornes Mills, WV
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is October (17.9 days).
The months with the least sunshine days are February and May (10.2 days).

Average UV index in September
Osbornes Mills, WV

Average UV index in September - Osbornes Mills, WV
  • Average UV index in September: 4

The months with the highest UV index are May, June, July 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
Osbornes Mills, WV

Average cloud cover in September - Osbornes Mills, WV
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Osbornes Mills, WV

Average visibility in September - Osbornes Mills, 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).

Osbornes Mills, West Virginia, USA

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