September weather forecast
Petroleum, West VA

Weather in September

The first month of the autumn, September, is also a moderately hot month in Petroleum, West Virginia, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 77.4°F (25.2°C).

Temperature

In September, the average high-temperature marginally drops from 83.8°F (28.8°C) in August to a still moderately hot 77.4°F (25.2°C). The average low-temperature, in September, is 56.3°F (13.5°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 14.6 days and typically collects 2.13" (54mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Petroleum, the average length of the day in September is 12h and 26min.
On the first day of September in Petroleum, sunrise is at 6:53 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

Sunshine

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

UV index

In September, the average daily maximum UV index in Petroleum is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Petroleum?

In Petroleum, West Virginia, in September, the average high-temperature is 77.4°F (25.2°C), and the average low-temperature is 56.3°F (13.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is calculated to be 93.2°F (34°C).

What is the average humidity in September in Petroleum?

The average relative humidity in September in Petroleum is 78%.

What is the driest month in Petroleum?

September is the month with the least rainfall. Rain falls for 14.6 days and accumulates 2.13" (54mm) of precipitation.

How much does it rain in Petroleum in September?

In Petroleum, in September, during 14.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Petroleum?

May through September are months without snowfall.

Does it snow in Petroleum in September?

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

How many hours of daylight does Petroleum have in September?

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

What time are sunrise and sunset in September in Petroleum?

On the first day of September in Petroleum, sunrise is at 6:53 am and sunset at 7:56 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 Petroleum have in September?

In September, the average sunshine duration in Petroleum, West Virginia, is 8.3h.

What is the UV index reading in September in Petroleum?

In September, the average daily maximum UV index in Petroleum is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Petroleum, West VA

Average temperature in September - Petroleum, West VA
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in September
Petroleum, West VA

Average pressure in September - Petroleum, 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
Petroleum, West VA

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

The windiest months (with the highest average wind speed) are January and February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in September
Petroleum, West VA

Average humidity in September - Petroleum, 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, July, August and November (77%).

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Average rainfall in September
Petroleum, West VA

Average rainfall in September - Petroleum, West VA
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is September (2.13").

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Average rainfall days in September
Petroleum, West VA

Average rainfall days in September - Petroleum, West VA
  • Average rainfall days in September: 14.6 days

The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is November (12.2 days).

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Average snowfall in September
Petroleum, West VA

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

The month with the highest snowfall is January (5.87").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Petroleum, West VA

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

The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Petroleum, West VA

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

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in September
Petroleum, West VA

Average sunshine days in September - Petroleum, West VA
  • Average sunshine days in September: 12.9 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (8.2 days).

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Average UV index in September
Petroleum, West VA

Average UV index in September - Petroleum, West VA
  • Average UV index in September: 4

The months with the highest UV index are 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
Petroleum, West VA

Average cloud cover in September - Petroleum, West VA
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Petroleum, West VA

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

The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).

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