September weather forecast
Cass, West VA

Weather in September

September, the first month of the autumn in Cass, is still a pleasant month, with an average temperature varying between 69.4°F (20.8°C) and 49.6°F (9.8°C).

Temperature

In September, the average high-temperature is essentially the same as in August - a pleasant 69.4°F (20.8°C). The average low-temperature, in Cass, is 49.6°F (9.8°C).

Humidity

The average relative humidity in September is 83%.

Rainfall

In Cass, West Virginia, it is raining for 14.6 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, in Cass, there are 153.4 rainfall days, and 23.23" (590mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Cass.

Daylight

The average length of the day in September in Cass is 12h and 25min.
On the first day of September in Cass, sunrise is at 6:49 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:04 pm EDT.

Sunshine

In Cass, the average sunshine in September is 7.5h.

UV index

The average daily maximum UV index in September in Cass is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 3 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Cass?

The average relative humidity in September in Cass, West Virginia, is 83%.

How many days does it rain in September in Cass?

In Cass, West Virginia, during September, the rain falls for 14.6 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When it does not snow in Cass?

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

Does it snow in Cass in September?

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

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

The average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Cass?

In September, on the first day of the month, sunrise is at 6:49 am and sunset at 7:49 pm. On the last day of the month, in Cass, sunrise is at 7:14 am and sunset at 7:04 pm EDT.

How many hours of sunshine does Cass have in September?

In September, the average sunshine duration is 7.5h.

What is the UV index reading in September in Cass?

The average daily maximum UV index in September in Cass is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Cass, West VA

Average temperature in September - Cass, West VA
  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in September: 49.6°F

The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in September
Cass, West VA

Average pressure in September - Cass, West VA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Cass, West VA

Average wind speed in September - Cass, West VA
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Cass, West VA

Average humidity in September - Cass, West VA
  • Average humidity in September: 83%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (80%).

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Average rainfall in September
Cass, West VA

Average rainfall in September - Cass, West VA
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is November (1.3").

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Average rainfall days in September
Cass, West VA

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

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (6.7 days).

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Average snowfall in September
Cass, West VA

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

The month with the highest snowfall is January (7.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Cass, West VA

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

The month with the highest number of snowfall days is January (18.4 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
Cass, West VA

Average daylight in September / Average sunshine in September - Cass, West VA
  • Average daylight in September: 12h and 25min

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 32min).

  • Average sunshine in September: 7h and 30min

The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in September
Cass, West VA

Average sunshine days in September - Cass, West VA
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (7.7 days).

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Average UV index in September
Cass, West VA

Average UV index in September - Cass, West VA
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Cass, West VA

Average cloud cover in September - Cass, West VA
  • Average cloud cover in September: 51

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 47).

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Average visibility in September
Cass, West VA

Average visibility in September - Cass, West VA
  • Average visibility in September: 4mi

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

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