September weather forecast and climate
Charlottesville, VA

The beautiful sunrise over Charlottesville, Virginia
The beautiful sunrise over Charlottesville, Virginia

Weather in September

The first month of the autumn, September, is still a warm month in Charlottesville, Virginia, with average temperature ranging between min 58.5°F (14.7°C) and max 78.6°F (25.9°C).

Temperature

In September, the average high-temperature slightly decreases, from 85.6°F (29.8°C) in August, to a still moderately hot 78.6°F (25.9°C). In Charlottesville, Virginia, in September, the average low-temperature is 58.5°F (14.7°C).

Humidity

May, September, October and December, with an average relative humidity of 76%, are most humid months.

Rainfall

In Charlottesville, during September, the rain falls for 14.1 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Charlottesville, Virginia, there are 155.9 rainfall days, and 27.99" (711mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Charlottesville, the average length of the day is 12.4h.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In Charlottesville, 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 the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What are the most humid months in Charlottesville?

May, September, October and December, with an average relative humidity of 76%, are most humid months in Charlottesville.

What is the average humidity in September in Charlottesville?

In September, the average relative humidity in Charlottesville is 76%.

How many days does it rain in September in Charlottesville?

In Charlottesville, Virginia, in September, during 14.1 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow in Charlottesville?

In Charlottesville snow does not fall in May through October.

What is the average length of the day in September in Charlottesville?

The average length of the day in September in Charlottesville, Virginia, is 12.4h.

How long on average sun shines in September in Charlottesville?

In September, the average sunshine in Charlottesville, Virginia, is 8.7h.

What is the UV index intensity in September in Charlottesville?

The average daily maximum UV index in September in Charlottesville, Virginia, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Charlottesville, VA

Average temperature in September - Charlottesville, VA
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in September: 58.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in September
Charlottesville, VA

Average pressure in September - Charlottesville, VA
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in September
Charlottesville, VA

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

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Charlottesville, VA

Average humidity in September - Charlottesville, VA
  • Average humidity in September: 76%

Months with the highest relative humidity are May, September, October and December (76%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in September
Charlottesville, VA

Average rainfall in September - Charlottesville, VA
  • Average rainfall in September: 2.05"

The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is January (1.69").

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Average rainfall days in September
Charlottesville, VA

Average rainfall days in September - Charlottesville, VA
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in September
Charlottesville, VA

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

The month with the highest snowfall is March (3.07").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Charlottesville, VA

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

The month with the highest number of snowfall days is January (4.6 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is July (Average sunshine: 10.7h).
Months with the least sunshine are January and December (Average sunshine: 5.4).

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Average sunshine days in September
Charlottesville, VA

Average sunshine days in September - Charlottesville, VA
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in September
Charlottesville, VA

Average UV index in September - Charlottesville, VA
  • Average UV index in September: 5

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Charlottesville, VA

Average cloud cover in September - Charlottesville, VA
  • Average cloud cover in September: 39

The month with the most cloud cover is March (Cloud cover 45).
Months with the least cloud cover are June and July (Cloud cover 31).

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Average visibility in September
Charlottesville, VA

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

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

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