September weather forecast
Shirley, West VA

Weather in September

September, the first month of the autumn in Shirley, is still a warm month, with an average temperature ranging between min 55.4°F (13°C) and max 76.8°F (24.9°C).

Temperature

In September, the average high-temperature marginally drops from 82.6°F (28.1°C) in August to a still warm 76.8°F (24.9°C). In September, the average low-temperature is 55.4°F (13°C).

Humidity

The average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 15.1 days and accumulates 2.24" (57mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Shirley, West Virginia, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:51 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:18 am and sunset at 7:07 pm EDT.

Sunshine

In Shirley, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Shirley is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.
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FAQ

What is the temperature in September in Shirley?

The average high-temperature, in September, in Shirley, is 76.8°F (24.9°C), while the average low-temperature is 55.4°F (13°C). in August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in September in Shirley?

The average relative humidity in September is 78%.

What is the driest month in Shirley?

The month with the least rainfall in Shirley, West Virginia, is September, when the rain falls for 15.1 days and typically collects 2.24" (57mm) of precipitation.

How much does it rain in Shirley in September?

In Shirley, West Virginia, in September, it is raining for 15.1 days, with typically 2.24" (57mm) of accumulated precipitation.

When it does not snow in Shirley?

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

Does it snow in Shirley in September?

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

How many hours of daylight does Shirley have in September?

In Shirley, West Virginia, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September in Shirley?

On the first day of September in Shirley, West Virginia, sunrise is at 6:51 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:07 pm EDT.

How long on average sun shines in September in Shirley?

The average sunshine duration in September in Shirley, West Virginia, is 8.6h.

What is the UV index reading in September in Shirley?

In Shirley, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Shirley, West VA

Average temperature in September - Shirley, West VA
  • Average high temperature in September: 76.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in September
Shirley, West VA

Average pressure in September - Shirley, West VA
  • Average pressure in September: 30.05"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).

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Average wind speed in September
Shirley, West VA

Average wind speed in September - Shirley, West VA
  • Average wind speed in September: 4.4mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in September
Shirley, West VA

Average humidity in September - Shirley, West VA
  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).

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Average rainfall in September
Shirley, West VA

Average rainfall in September - Shirley, West VA
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in September
Shirley, West VA

Average rainfall days in September - Shirley, West VA
  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (11.4 days).

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Average snowfall in September
Shirley, West VA

Average snowfall in September - Shirley, West VA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Shirley, West VA

Average snowfall days in September - Shirley, West VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.1 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
Shirley, West VA

Average daylight in September / Average sunshine in September - Shirley, West VA
  • Average daylight in September: 12h and 26min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 27min).

  • Average sunshine in September: 8h and 36min

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 12min).

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Average sunshine days in September
Shirley, West VA

Average sunshine days in September - Shirley, West VA
  • Average sunshine days in September: 12.4 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is January (7.4 days).

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Average UV index in September
Shirley, West VA

Average UV index in September - Shirley, West VA
  • 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, November and December (UV index 2).

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Average cloud cover in September
Shirley, West VA

Average cloud cover in September - Shirley, West VA
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in September
Shirley, West VA

Average visibility in September - Shirley, West VA
  • Average visibility in September: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

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