September weather forecast
Wylliesburg, VA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Wylliesburg, Virginia, with an average temperature varying between 62.2°F (16.8°C) and 81.3°F (27.4°C).

Temperature

September's arrival aligns with a minor decrease in average high-temperatures, from August's tropical 87.4°F (30.8°C) to a warm 81.3°F (27.4°C). During the September nights, an average temperature of 62.2°F (16.8°C) is observed in Wylliesburg.

Heat index

September's heat index is computed to be a hot 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

In September, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.73" (44mm) of precipitation.

Snowfall

May through September are months without snowfall in Wylliesburg.

Daylight

In Wylliesburg, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:58 pm EDT.

Sunshine

In September, the average sunshine in Wylliesburg is 8.7h.

UV index

The average daily maximum UV index in September in Wylliesburg is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What is the temperature in September in Wylliesburg?

In Wylliesburg, in September, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is computed to be 86°F (30°C).

What is the average humidity in September in Wylliesburg?

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

What is the driest month in Wylliesburg?

The month with the least rainfall in Wylliesburg, Virginia, is September, when the rain falls for 12.5 days and typically collects 1.73" (44mm) of precipitation.

How many days does it rain in September in Wylliesburg?

In Wylliesburg, in September, during 12.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow in Wylliesburg?

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

Does it snow in Wylliesburg in September?

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

How many hours of daylight does Wylliesburg have in September?

The average day length in September in Wylliesburg is 12h and 24min.

When are sunrise and sunset in September in Wylliesburg?

In September, on the first day of the month, sunrise is at 6:45 am and sunset at 7:42 pm. On the last day of the month, in Wylliesburg, sunrise is at 7:09 am and sunset at 6:58 pm EDT.

How many hours of sunshine does Wylliesburg have in September?

The average sunshine duration in September in Wylliesburg is 8.7h.

What is the UV index reading in September in Wylliesburg?

In Wylliesburg, Virginia, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Wylliesburg, VA

Average temperature in September - Wylliesburg, VA
  • Average high temperature in September: 81.3°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

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Average pressure in September
Wylliesburg, VA

Average pressure in September - Wylliesburg, VA
  • Average pressure in September: 30.04"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).

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Average wind speed in September
Wylliesburg, VA

Average wind speed in September - Wylliesburg, VA
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Wylliesburg, VA

Average humidity in September - Wylliesburg, VA
  • Average humidity in September: 75%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in September
Wylliesburg, VA

Average rainfall in September - Wylliesburg, VA
  • Average rainfall in September: 1.73"

The wettest months (with the highest rainfall) are May and August (2.91").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in September
Wylliesburg, VA

Average rainfall days in September - Wylliesburg, VA
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (9.6 days).

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Average snowfall in September
Wylliesburg, VA

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

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Wylliesburg, VA

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

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in September
Wylliesburg, VA

Average sunshine days in September - Wylliesburg, VA
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11 days).

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Average UV index in September
Wylliesburg, VA

Average UV index in September - Wylliesburg, VA
  • 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).

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Average cloud cover in September
Wylliesburg, VA

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

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 32).

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Average visibility in September
Wylliesburg, VA

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

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

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Wylliesburg, Virginia, USA

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