September weather forecast
Speed, West VA

Weather in September

The first month of the autumn, September, is also a moderately hot month in Speed, West Virginia, with an average temperature varying between 56.7°F (13.7°C) and 77.9°F (25.5°C).

Temperature

In Speed, the average high-temperature in September marginally drops from 84.4°F (29.1°C) in August to a still moderately hot 77.9°F (25.5°C). The average low-temperature, in Speed, is 56.7°F (13.7°C).

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 14.2 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

In Speed, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September in Speed, sunrise is at 6:54 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:10 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 temperature in September in Speed?

The average high-temperature, in September, is 77.9°F (25.5°C), while the average low-temperature is 56.7°F (13.7°C). in August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 93.2°F (34°C).

What is the average humidity in September in Speed?

In Speed, West Virginia, the average relative humidity in September is 77%.

What is the driest month in Speed?

The month with the least rainfall in Speed, West Virginia, is September, when the rain falls for 14.2 days and typically collects 2.05" (52mm) of precipitation.

How much does it rain in Speed in September?

In September, in Speed, the rain falls for 14.2 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in Speed?

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

Does it snow in Speed in September?

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

How many hours of daylight does Speed have in September?

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

When are sunrise and sunset in September in Speed?

In September, on the first day of the month, sunrise is at 6:54 am and sunset at 7:56 pm. On the last day of the month, in Speed, sunrise is at 7:20 am and sunset at 7:10 pm EDT.

How many hours of sunshine does Speed have in September?

In Speed, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September in Speed?

In September, the average daily maximum UV index in Speed, West Virginia, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Speed, West VA

Average temperature in September - Speed, West VA
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in September
Speed, West VA

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

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in September
Speed, West VA

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

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in September
Speed, West VA

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

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).

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Average rainfall in September
Speed, West VA

Average rainfall in September - Speed, West VA
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in September
Speed, West VA

Average rainfall days in September - Speed, West VA
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).

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Average snowfall in September
Speed, West VA

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

The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Speed, West VA

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

The month with the highest number of snowfall days is January (14 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
Speed, West VA

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

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in September
Speed, West VA

Average sunshine days in September - Speed, West VA
  • Average sunshine days in September: 12.8 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).

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Average UV index in September
Speed, West VA

Average UV index in September - Speed, 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 and December (UV index 2).

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Average cloud cover in September
Speed, West VA

Average cloud cover in September - Speed, West VA
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in September
Speed, West VA

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

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

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