September weather forecast
Osborne, WV

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Weather in September

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

Temperature

Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 84.7°F (29.3°C) to a still moderately hot 78.1°F (25.6°C). Osborne in September experiences a low-temperature average of 56.7°F (13.7°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

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

Snowfall

June through September are months without snowfall.

Daylight

In Osborne, 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

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Exercise prevention - Protecting skin and eyes from harm is required. It's recommended to limit sun exposure when its radiation is at its peak during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What are the temperatures in September?

In Osborne, in September, the average high-temperature is 78.1°F (25.6°C), and the average low-temperature is 56.7°F (13.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 93.2°F (34°C).

What is the average humidity in September?

In Osborne, 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 many days does it rain in September?

In Osborne, in September, it is raining for 12 days, with typically 1.61" (41mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Osborne, West Virginia, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Osborne have in September?

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

When is the sunrise / sunset in September in Osborne?

In September, on the first day of the month, 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 Osborne have in September?

The average sunshine duration in September is 8.3h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Osborne, WV

Average temperature in September - Osborne, 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
Osborne, WV

Average pressure in September - Osborne, 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
Osborne, WV

Average wind speed in September - Osborne, 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
Osborne, WV

Average humidity in September - Osborne, 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
Osborne, WV

Average rainfall in September - Osborne, 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
Osborne, WV

Average rainfall days in September - Osborne, 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
Osborne, WV

Average snowfall in September - Osborne, 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
Osborne, WV

Average snowfall days in September - Osborne, 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
Osborne, WV

Average daylight in September / Average sunshine in September - Osborne, 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
Osborne, WV

Average sunshine days in September - Osborne, 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
Osborne, WV

Average UV index in September - Osborne, 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
Osborne, WV

Average cloud cover in September - Osborne, 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
Osborne, WV

Average visibility in September - Osborne, 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).

Osborne, West Virginia, USA

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