September weather forecastMorgantown, KY

September

Weather in September

September, the first month of the autumn in Morgantown, is still a warm month, with an average temperature ranging between min 61°F (16.1°C) and max 80.2°F (26.8°C).

Temperature

September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 85.6°F (29.8°C) to a still warm 80.2°F (26.8°C). Morgantown observes an average nighttime low-temperature of 61°F (16.1°C) during the month of September.

Humidity

In Morgantown, the average relative humidity in September is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

In Morgantown, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:15 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In Morgantown, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 5 during September translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Morgantown, 80.2°F (26.8°C) is the average high-temperature and 61°F (16.1°C) is the average low-temperature during September. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 96.8°F (36°C).

The average relative humidity in September is 75%.

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 1.54" (39mm) of precipitation.

In Morgantown, during September, the rain falls for 13.3 days and regularly aggregates up to 1.54" (39mm) of precipitation.

In Morgantown, snow does not fall in May through September.

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

The average day length in September is 12h and 25min.

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:31 pm CDT.

In Morgantown, the average sunshine duration in September is 8.7h.

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Morgantown, KY

  • Average high temperature in September: 80.2°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in September
Morgantown, KY

  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Morgantown, KY

  • Average wind speed in September: 5.6mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5mph).

Average humidity in September
Morgantown, KY

  • Average humidity in September: 75%

The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Morgantown, KY

  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Morgantown, KY

  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in September
Morgantown, KY

  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Morgantown, KY

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Morgantown, KY

  • Average daylight in September: 12h and 24min

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 42min).

  • Average sunshine in September: 8h and 42min

The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in September
Morgantown, KY

  • Average sunshine days in September: 14.8 days

The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September
Morgantown, KY

  • Average UV index in September: 5

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 and December (UV index 2).

Average cloud cover in September
Morgantown, KY

  • Average cloud cover in September: 30

The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in September
Morgantown, KY

  • Average visibility in September: 6mi

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