September weather forecast
Ryan, WV

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Weather in September

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

Temperature

The onset of September aligns with a soft reduction in the average high-temperature, gently falling from 84.7°F (29.3°C) in August to a still moderately hot 78.1°F (25.6°C). During the month of September, Ryan experiences a steady low-temperature average of 56.7°F (13.7°C).

Humidity

In September, the average relative humidity in Ryan 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 in Ryan.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:55 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:09 pm EDT.

Sunshine

In September, the average sunshine in Ryan is 8.3h.

UV index

In Ryan, West Virginia, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What are September temperatures in Ryan?

September temperatures in Ryan vary between a high-temperature of 78.1°F (25.6°C) and a low-temperature of 56.7°F (13.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is computed to be 93.2°F (34°C).

What is the average humidity in September in Ryan?

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

What is the driest month in Ryan?

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

How many days does it rain in September in Ryan?

In Ryan, West Virginia, during September, the rain falls for 12 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow in Ryan?

June through September are months without snowfall in Ryan, West Virginia.

Does it snow in Ryan in September?

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

What is the average length of the day in September in Ryan?

The average day length in September in Ryan is 12h and 26min.

What time are sunrise and sunset in September in Ryan?

On the first day of September in Ryan, West Virginia, sunrise is at 6:55 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:09 pm EDT.

How long on average sun shines in September in Ryan?

In Ryan, the average sunshine duration in September is 8.3h.

What is the UV index reading in September in Ryan?

In Ryan, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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
Ryan, WV

Average temperature in September - Ryan, 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).

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Average pressure in September
Ryan, WV

Average pressure in September - Ryan, 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).

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Average wind speed in September
Ryan, WV

Average wind speed in September - Ryan, 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).

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Average humidity in September
Ryan, WV

Average humidity in September - Ryan, 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%).

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Average rainfall in September
Ryan, WV

Average rainfall in September - Ryan, 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").

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Average rainfall days in September
Ryan, WV

Average rainfall days in September - Ryan, 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).

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Average snowfall in September
Ryan, WV

Average snowfall in September - Ryan, 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").

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Average snowfall days in September
Ryan, WV

Average snowfall days in September - Ryan, 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).

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Average daylight in September /
Average sunshine in September
Ryan, WV

Average daylight in September / Average sunshine in September - Ryan, 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).

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Average sunshine days in September
Ryan, WV

Average sunshine days in September - Ryan, 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).

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Average UV index in September
Ryan, WV

Average UV index in September - Ryan, 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).

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Average cloud cover in September
Ryan, WV

Average cloud cover in September - Ryan, 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).

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Average visibility in September
Ryan, WV

Average visibility in September - Ryan, 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).

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Ryan, West Virginia, USA

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