September weather forecast
Middlebourne, WV

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Weather in September

The first month of the autumn, September, is still a warm month in Middlebourne, West Virginia, with an average temperature ranging between min 55.4°F (13°C) and max 76.6°F (24.8°C).

Temperature

Middlebourne in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 82.8°F (28.2°C) in August to a still moderately hot 76.6°F (24.8°C). The average temperature during September nights dips to a moderate 55.4°F (13°C).

Humidity

In September, the average relative humidity is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 1.61" (41mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:52 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:07 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The average high-temperature, in September, in Middlebourne, is 76.6°F (24.8°C), while the average low-temperature is 55.4°F (13°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in September?

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

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 1.61" (41mm) of precipitation.

How much does it rain in September?

In September, the rain falls for 13.6 days. Throughout September, 1.61" (41mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Middlebourne have in September?

The average day length in September is 12h and 26min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:52 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:07 pm EDT.

How many hours of sunshine does Middlebourne have in September?

The average sunshine duration in September is 8.4h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from 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
Middlebourne, WV

Average temperature in September - Middlebourne, WV
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in September: 55.4°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in September
Middlebourne, WV

Average pressure in September - Middlebourne, 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 (29.95"Hg).

Average wind speed in September
Middlebourne, WV

Average wind speed in September - Middlebourne, WV
  • Average wind speed in September: 4.7mph

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
Middlebourne, WV

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

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

Average rainfall in September
Middlebourne, WV

Average rainfall in September - Middlebourne, WV
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in September
Middlebourne, WV

Average rainfall days in September - Middlebourne, WV
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).

Average snowfall in September
Middlebourne, WV

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

The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Middlebourne, WV

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

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Middlebourne, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in September
Middlebourne, WV

Average sunshine days in September - Middlebourne, WV
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).

Average UV index in September
Middlebourne, WV

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

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Middlebourne, WV

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

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Middlebourne, WV

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

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

Middlebourne, West Virginia, USA

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