September weather forecast
Mullensville, WV

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Weather in September

The first month of the autumn, September, is still a warm month in Mullensville, West Virginia, with an average temperature varying between 75.9°F (24.4°C) and 54.1°F (12.3°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 82°F (27.8°C) in August to a still moderately hot 75.9°F (24.4°C). Mullensville anticipates a considerable drop in temperature at night in September, with an average low of 54.1°F (12.3°C).

Humidity

The average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 15.5 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

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

Daylight

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 7:54 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:10 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The average high-temperature and low-temperature during September are 75.9°F (24.4°C) and 54.1°F (12.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 87.8°F (31°C).

What is the average humidity in September?

In Mullensville, the average relative humidity in September is 78%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 15.5 days and accumulates 1.57" (40mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 15.5 days. Throughout September, 1.57" (40mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:57 am and sunset at 7:54 pm. On the last day of the month, in Mullensville, sunrise is at 7:21 am and sunset at 7:10 pm EDT.

How many hours of sunshine does Mullensville have in September?

In Mullensville, the average sunshine duration in September is 8.3h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk 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
Mullensville, WV

Average temperature in September - Mullensville, WV
  • Average high temperature in September: 75.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in September
Mullensville, WV

Average pressure in September - Mullensville, 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).

Average wind speed in September
Mullensville, WV

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

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in September
Mullensville, WV

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

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

Average rainfall in September
Mullensville, WV

Average rainfall in September - Mullensville, WV
  • Average rainfall in September: 1.57"

The wettest months (with the highest rainfall) are February and May (3.43").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in September
Mullensville, WV

Average rainfall days in September - Mullensville, WV
  • Average rainfall days in September: 15.5 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11.3 days).

Average snowfall in September
Mullensville, WV

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

The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Mullensville, WV

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

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Mullensville, 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).

Average sunshine days in September
Mullensville, WV

Average sunshine days in September - Mullensville, WV
  • Average sunshine days in September: 12.1 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in September
Mullensville, WV

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

Average cloud cover in September
Mullensville, WV

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

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Mullensville, WV

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

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

Mullensville, West Virginia, USA

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