September weather forecast
Coburn, WV

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Weather in September

September, the first month of the autumn in Coburn, is also a moderately hot month, with an average temperature fluctuating between 76.1°F (24.5°C) and 54.7°F (12.6°C).

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Throughout September nights, Coburn registers an average low-temperature of 54.7°F (12.6°C).

Humidity

In Coburn, the average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 15.4 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 188.6 rainfall days, and 39.17" (995mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:50 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:05 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What is the usual temperature for Coburn in September?

In Coburn, in September, the average high-temperature is 76.1°F (24.5°C), and the average low-temperature is 54.7°F (12.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

How much does it rain in September?

In Coburn, in September, it is raining for 15.4 days, with typically 2.48" (63mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:50 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:05 pm EDT.

How long on average sun shines in September?

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

What is the UV index reading in September in Coburn?

In September, the average daily maximum UV index 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
Coburn, WV

Average temperature in September - Coburn, WV
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in September
Coburn, WV

Average pressure in September - Coburn, WV
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Coburn, WV

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

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 (4.2mph).

Average humidity in September
Coburn, WV

Average humidity in September - Coburn, WV
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

Average rainfall in September
Coburn, WV

Average rainfall in September - Coburn, WV
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in September
Coburn, WV

Average rainfall days in September - Coburn, WV
  • Average rainfall days in September: 15.4 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is January (10.8 days).

Average snowfall in September
Coburn, WV

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

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Coburn, WV

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

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Coburn, WV

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September
Coburn, WV

Average sunshine days in September - Coburn, WV
  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (7.8 days).

Average UV index in September
Coburn, WV

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

The months with the highest UV index are May and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Coburn, WV

Average cloud cover in September - Coburn, WV
  • Average cloud cover in September: 40

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Coburn, WV

Average visibility in September - Coburn, WV
  • Average visibility in September: 5mi

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

Coburn, West Virginia, USA

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