September weather forecast
Wytheville, VA

Plain and green landscape in the city of Wytheville, Virginia
Plain and green landscape in the city of Wytheville, Virginia

Weather in September

The first month of the autumn, September, is still a warm month in Wytheville, Virginia, with average temperature ranging between min 52.7°F (11.5°C) and max 74.5°F (23.6°C).

Temperature

In September, the average high-temperature marginally drops, from 80.2°F (26.8°C) in August, to a still moderately hot 74.5°F (23.6°C). The average low-temperature, in Wytheville, Virginia, is 52.7°F (11.5°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 16.5 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Wytheville is 12.4h.

Sunshine

In Wytheville, the average sunshine is 8.3h.

UV index

In Wytheville, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Wytheville?

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

What is the driest month in Wytheville?

The month with the least rainfall in Wytheville is September when the rain falls for 16.5 days and typically collects 1.69" (43mm) of precipitation.

How much does it rain in Wytheville in September?

In Wytheville, during September, the rain falls for 16.5 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Wytheville?

June through September are months without snowfall in Wytheville, Virginia.

Does it snow in Wytheville in September?

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

How many hours of daylight does Wytheville have in September?

In Wytheville, the average length of the day in September is 12.4h.

How long on average sun shines in September in Wytheville?

In September, the average sunshine in Wytheville, Virginia, is 8.3h.

How high is the UV index in September in Wytheville?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from the exposure to the Sun's UV rays.

Average temperature in September
Wytheville, VA

Average temperature in September - Wytheville, VA
  • Average high temperature in September: 23.6°C

The warmest month (with the highest average high temperature) is July (27.2°C).
The month with the lowest average high temperature is January (3.7°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).

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Average pressure in September
Wytheville, VA

Average pressure in September - Wytheville, VA
  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is November (1021.5mbar).
The month with the lowest atmospheric pressure is June (1015.7mbar).

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Average wind speed in September
Wytheville, VA

Average wind speed in September - Wytheville, VA
  • Average wind speed in September: 7.6km/h

The windiest month (with the highest average wind speed) is January (13.3km/h).
The calmest month (with the lowest average wind speed) is August (6.9km/h).

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Average humidity in September
Wytheville, VA

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

The month with the highest relative humidity is February (81%).
Months with the lowest relative humidity are April, June, July and November (77%).

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Average rainfall in September
Wytheville, VA

Average rainfall in September - Wytheville, VA
  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is September (43mm).

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Average rainfall days in September
Wytheville, VA

Average rainfall days in September - Wytheville, VA
  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in September
Wytheville, VA

Average snowfall in September - Wytheville, VA
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (158mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Wytheville, VA

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

The month with the highest number of snowfall days is January (10.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Wytheville, VA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 8.3h

The month with the most sunshine is June (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 4.8h).

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Average sunshine days in September
Wytheville, VA

Average sunshine days in September - Wytheville, VA
  • Average sunshine days in September: 10.1 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (6.8 days).

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Average UV index in September
Wytheville, VA

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

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Wytheville, VA

Average cloud cover in September - Wytheville, VA
  • Average cloud cover in September: 42

The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 38).

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Average visibility in September
Wytheville, VA

Average visibility in September - Wytheville, VA
  • Average visibility in September: 7km

Months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (8km).
The month with the lowest visibility is September (7km).

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