September weather forecast
McDowell, VA

Share

Weather in September

The first month of the autumn, September, is still a warm month in McDowell, Virginia, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 75.4°F (24.1°C).

Temperature

McDowell in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 81.3°F (27.4°C) to a still moderately hot 75.4°F (24.1°C). McDowell usually reports an average low-temperature of 54.7°F (12.6°C) during the month of September.

Humidity

The most humid month is September, with an average relative humidity of 79%.

Rainfall

In McDowell, during September, the rain falls for 13 days and regularly aggregates up to 1.69" (43mm) of precipitation. In McDowell, during the entire year, the rain falls for 144.6 days and collects up to 23.46" (596mm) of precipitation.

Snowfall

In McDowell, 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 6:48 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:01 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In McDowell, Virginia, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature, in September, in McDowell, records 75.4°F (24.1°C), while the low-temperature is 54.7°F (12.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the most humid month?

The most humid month is September, with an average relative humidity of 79%.

What is the average humidity in September?

The average relative humidity in September in McDowell is 79%.

How many days does it rain in September?

In McDowell, in September, during 13 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow?

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

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:01 pm EDT.

How long on average sun shines in September?

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

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
McDowell, VA

Average temperature in September - McDowell, VA
  • Average high temperature in September: 75.4°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 (39°F).

  • Average low temperature in September: 54.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in September
McDowell, VA

Average pressure in September - McDowell, VA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
McDowell, VA

Average wind speed in September - McDowell, VA
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
McDowell, VA

Average humidity in September - McDowell, VA
  • Average humidity in September: 79%

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is January (74%).

Average rainfall in September
McDowell, VA

Average rainfall in September - McDowell, VA
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in September
McDowell, VA

Average rainfall days in September - McDowell, VA
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in September
McDowell, VA

Average snowfall in September - McDowell, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (4.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
McDowell, VA

Average snowfall days in September - McDowell, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
McDowell, VA

Average daylight in September / Average sunshine in September - McDowell, VA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
McDowell, VA

Average sunshine days in September - McDowell, VA
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in September
McDowell, VA

Average UV index in September - McDowell, VA
  • Average UV index in September: 4

The months with the highest UV index are June 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
McDowell, VA

Average cloud cover in September - McDowell, VA
  • Average cloud cover in September: 40

The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 32).

Average visibility in September
McDowell, VA

Average visibility in September - McDowell, VA
  • Average visibility in September: 5mi

The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).

McDowell, Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location