September weather forecast
Big Branch, WV

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Weather in September

The first month of the autumn, September, is still a warm month in Big Branch, West Virginia, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 76.3°F (24.6°C).

Temperature

With the onset of September, Big Branch's climate undergoes a slight change as the average high-temperature moves from a warm 82°F (27.8°C) in August to a still moderately hot 76.3°F (24.6°C). September nights are characterized by a notable drop from daytime highs, with an average low-temperature of 54.1°F (12.3°C).

Humidity

The average relative humidity in September in Big Branch, West Virginia, is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 15.2 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

June through September are months without snowfall in Big Branch.

Daylight

In Big Branch, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:57 am and sunset at 7:55 pm. On the last day of September, in Big Branch, sunrise is at 7:22 am and sunset at 7:11 pm EDT.

Sunshine

The average sunshine in September in Big Branch is 8.4h.

UV index

In Big Branch, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the usual temperature for Big Branch in September?

In Big Branch, 76.3°F (24.6°C) is the average high-temperature and 54.1°F (12.3°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in September in Big Branch?

In September, the average relative humidity in Big Branch, West Virginia, is 78%.

What is the driest month in Big Branch?

The month with the least rainfall in Big Branch, West Virginia, is September, when the rain falls for 15.2 days and typically collects 1.54" (39mm) of precipitation.

How many days does it rain in September in Big Branch?

In Big Branch, West Virginia, in September, it is raining for 15.2 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Big Branch?

June through September are months without snowfall in Big Branch, West Virginia.

Does it snow in Big Branch in September?

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

What is the average length of the day in September in Big Branch?

In Big Branch, West Virginia, the average day length in September is 12h and 25min.

What time are sunrise and sunset in September in Big Branch?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 7:55 pm. On the last day of the month, in Big Branch, sunrise is at 7:22 am and sunset at 7:11 pm EDT.

How long on average sun shines in September in Big Branch?

In September, the average sunshine duration in Big Branch, West Virginia, is 8.4h.

What is the UV index reading in September in Big Branch?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Big Branch, WV

Average temperature in September - Big Branch, WV
  • Average high temperature in September: 76.3°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in September
Big Branch, WV

Average pressure in September - Big Branch, WV
  • 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 (29.99"Hg).

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Average wind speed in September
Big Branch, WV

Average wind speed in September - Big Branch, WV
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Big Branch, WV

Average humidity in September - Big Branch, WV
  • Average humidity in September: 78%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).

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Average rainfall in September
Big Branch, WV

Average rainfall in September - Big Branch, WV
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Big Branch, WV

Average rainfall days in September - Big Branch, WV
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).

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Average snowfall in September
Big Branch, WV

Average snowfall in September - Big Branch, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Big Branch, WV

Average snowfall days in September - Big Branch, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.5 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
Big Branch, WV

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in September
Big Branch, WV

Average sunshine days in September - Big Branch, WV
  • Average sunshine days in September: 11.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).

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Average UV index in September
Big Branch, WV

Average UV index in September - Big Branch, WV
  • Average UV index in September: 4

The months with the highest UV index are June 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
Big Branch, WV

Average cloud cover in September - Big Branch, WV
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).

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Average visibility in September
Big Branch, WV

Average visibility in September - Big Branch, WV
  • Average visibility in September: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).

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Big Branch, West Virginia, USA

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