September weather forecast
Bolt, WV

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Bolt, West Virginia, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 76.5°F (24.7°C).

Temperature

Bolt, West Virginia, experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 82.4°F (28°C) in August to a still warm 76.5°F (24.7°C). In September, the recorded average low-temperature, of 54.1°F (12.3°C), exhibits a significant fall from the daytime highs.

Humidity

The average relative humidity in September is 78%.

Rainfall

The month with the least rainfall in Bolt is September, when the rain falls for 10.8 days and typically collects 0.71" (18mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 6:56 am and sunset at 7:54 pm. On the last day of September, in Bolt, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

Sunshine

The average sunshine in September in Bolt, West Virginia, is 8.3h.

UV index

In Bolt, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Take precautions - Protection against sunburn is recommended. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What are September temperatures in Bolt?

September temperatures vary between a high-temperature of 76.5°F (24.7°C) and a low-temperature of 54.1°F (12.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

What is the average humidity in September in Bolt?

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

What is the driest month in Bolt?

September is the month with the least rainfall in Bolt. Rain falls for 10.8 days and accumulates 0.71" (18mm) of precipitation.

How much does it rain in Bolt in September?

In Bolt, West Virginia, during September, the rain falls for 10.8 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Bolt?

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

Does it snow in Bolt in September?

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

How many hours of daylight does Bolt have in September?

In Bolt, the average day length in September is 12h and 25min.

When are sunrise and sunset in September in Bolt?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 7:54 pm. On the last day of the month, in Bolt, sunrise is at 7:20 am and sunset at 7:09 pm EDT.

How many hours of sunshine does Bolt have in September?

The average sunshine duration in September in Bolt is 8.3h.

How high is the UV index in September in Bolt?

The average daily maximum UV index in September in Bolt is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Bolt, WV

Average temperature in September - Bolt, WV
  • Average high temperature in September: 76.5°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 (38.7°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).

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Average pressure in September
Bolt, WV

Average pressure in September - Bolt, 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 (29.98"Hg).

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Average wind speed in September
Bolt, WV

Average wind speed in September - Bolt, WV
  • Average wind speed in September: 4.3mph

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in September
Bolt, WV

Average humidity in September - Bolt, WV
  • Average humidity in September: 78%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (77%).

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Average rainfall in September
Bolt, WV

Average rainfall in September - Bolt, WV
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").

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Average rainfall days in September
Bolt, WV

Average rainfall days in September - Bolt, WV
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in September
Bolt, WV

Average snowfall in September - Bolt, WV
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Bolt, WV

Average snowfall days in September - Bolt, WV
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.3 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
Bolt, WV

Average daylight in September / Average sunshine in September - Bolt, 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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in September
Bolt, WV

Average sunshine days in September - Bolt, WV
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).

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Average UV index in September
Bolt, WV

Average UV index in September - Bolt, WV
  • Average UV index in September: 4

The months with the highest UV index are May, 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
Bolt, WV

Average cloud cover in September - Bolt, WV
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in September
Bolt, WV

Average visibility in September - Bolt, 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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Bolt, West Virginia, USA

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