Parkersburg
West Virginia, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Parkersburg, West VA

September, the first month of the autumn, in Parkersburg, is also a moderately hot month, with average temperature fluctuating between 77.9°F (25.5°C) and 56.7°F (13.7°C).

Temperature

In September, the average high-temperature marginally drops, from 84.2°F (29°C) in August, to a still moderately hot 77.9°F (25.5°C). The average low-temperature, in September, is 56.7°F (13.7°C).

Humidity

In September, the average relative humidity in Parkersburg is 77%.

Rainfall

September is the month with the least rainfall in Parkersburg. Rain falls for 12.5 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

May through September are months without snowfall in Parkersburg.

Daylight

In Parkersburg, the average length of the day is 12.4h.

Sunshine

In Parkersburg, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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.

What is the temperature in September in Parkersburg?

The average high-temperature, in September, in Parkersburg, is 77.9°F (25.5°C), while the average low-temperature is 56.7°F (13.7°C).

What is the average humidity in September in Parkersburg?

The average relative humidity in September in Parkersburg is 77%.

How much does it rain in Parkersburg in September?

In Parkersburg, West Virginia, during September, the rain falls for 12.5 days and regularly aggregates up to 1.89" (48mm) of precipitation.

What is the driest month in Parkersburg?

The month with the least rainfall is September when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.

Does it snow in Parkersburg in September?

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

When it does not snow in Parkersburg?

In Parkersburg, West Virginia, snow does not fall in May through September.

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

The average length of the day in September is 12.4h.

How many hours of sunshine does Parkersburg have in September?

The average sunshine in September in Parkersburg is 8.4h.

How high is the UV index in September in Parkersburg?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Parkersburg, West VA
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average humidity in September - Parkersburg, West VA
  • Average humidity in September: 77%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September - Parkersburg, West VA
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September - Parkersburg, West VA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is November (10.4 days).

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

The month with the highest snowfall is February (3.54").
Months with the least snowfall are May, June, July, August and September (0").

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

The month with the highest number of snowfall days is January (13.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Parkersburg, West VA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 8.4h

The month with the most sunshine is August (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).