September weather forecast
Pioneer Rocks, WV

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Weather in September

The first month of the autumn, September, is still a warm month in Pioneer Rocks, West Virginia, with an average temperature fluctuating between 54.5°F (12.5°C) and 75.7°F (24.3°C).

Temperature

During the shift to September, Pioneer Rocks records a mild decrease in average high-temperature, moving from 81.5°F (27.5°C) in August to a still warm 75.7°F (24.3°C). Pioneer Rocks, during September, witnesses an average low-temperature of 54.5°F (12.5°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 15.2 days and typically collects 2.17" (55mm) of precipitation.

Snowfall

In Pioneer Rocks, snow does not fall in June through September.

Daylight

In Pioneer Rocks, 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 7:50 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:03 pm EDT.

Sunshine

The average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September in Pioneer Rocks is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 4 during September translates into the following guidance:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

What is the temperature in September in Pioneer Rocks?

In Pioneer Rocks, in September, the average high-temperature is 75.7°F (24.3°C), and the average low-temperature is 54.5°F (12.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Pioneer Rocks?

In September, the average relative humidity in Pioneer Rocks, West Virginia, is 78%.

What is the driest month in Pioneer Rocks?

September is the month with the least rainfall in Pioneer Rocks, West Virginia. Rain falls for 15.2 days and accumulates 2.17" (55mm) of precipitation.

How many days does it rain in September in Pioneer Rocks?

In Pioneer Rocks, West Virginia, during September, the rain falls for 15.2 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow in Pioneer Rocks?

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

Does it snow in Pioneer Rocks in September?

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

What is the average length of the day in September in Pioneer Rocks?

In Pioneer Rocks, the average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Pioneer Rocks?

On the first day of September in Pioneer Rocks, sunrise is at 6:48 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:03 pm EDT.

How many hours of sunshine does Pioneer Rocks have in September?

In Pioneer Rocks, the average sunshine duration in September is 8.8h.

How high is the UV index in September in Pioneer Rocks?

In September, the average daily maximum UV index in Pioneer Rocks, West Virginia, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Pioneer Rocks, WV

Average temperature in September - Pioneer Rocks, WV
  • Average high temperature in September: 75.7°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in September
Pioneer Rocks, WV

Average pressure in September - Pioneer Rocks, WV
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
Pioneer Rocks, WV

Average wind speed in September - Pioneer Rocks, WV
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Pioneer Rocks, WV

Average humidity in September - Pioneer Rocks, WV
  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (77%).

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Average rainfall in September
Pioneer Rocks, WV

Average rainfall in September - Pioneer Rocks, WV
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (2.17").

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Average rainfall days in September
Pioneer Rocks, WV

Average rainfall days in September - Pioneer Rocks, WV
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (11.1 days).

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Average snowfall in September
Pioneer Rocks, WV

Average snowfall in September - Pioneer Rocks, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Pioneer Rocks, WV

Average snowfall days in September - Pioneer Rocks, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17 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
Pioneer Rocks, WV

Average daylight in September / Average sunshine in September - Pioneer Rocks, WV
  • Average daylight in September: 12h and 2min

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 24min).

  • Average sunshine in September: 8h and 5min

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 0min).

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Average sunshine days in September
Pioneer Rocks, WV

Average sunshine days in September - Pioneer Rocks, WV
  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is January (6.7 days).

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Average UV index in September
Pioneer Rocks, WV

Average UV index in September - Pioneer Rocks, WV
  • Average UV index in September: 4

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Pioneer Rocks, WV

Average cloud cover in September - Pioneer Rocks, WV
  • Average cloud cover in September: 38

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
Pioneer Rocks, WV

Average visibility in September - Pioneer Rocks, WV
  • 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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Pioneer Rocks, West Virginia, USA

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