September weather forecast
Fork Union, VA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Fork Union, Virginia, with an average temperature fluctuating between 59.4°F (15.2°C) and 80.1°F (26.7°C).

Temperature

September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a hot 86.9°F (30.5°C) in August to a warm 80.1°F (26.7°C). During the September nights, an average temperature of 59.4°F (15.2°C) is observed.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 11.5 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

In Fork Union, snow does not fall in May through October.

Daylight

In Fork Union, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:57 pm EDT.

Sunshine

In Fork Union, the average sunshine in September is 8.7h.

UV index

In Fork Union, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Fork Union in September?

The high-temperature during September is 80.1°F (26.7°C) and the low-temperature is 59.4°F (15.2°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 98.6°F (37°C).

What is the average humidity in September in Fork Union?

In Fork Union, Virginia, the average relative humidity in September is 75%.

What is the driest month in Fork Union?

September is the month with the least rainfall in Fork Union. Rain falls for 11.5 days and accumulates 1.57" (40mm) of precipitation.

How many days does it rain in September in Fork Union?

In Fork Union, Virginia, during September, the rain falls for 11.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When it does not snow in Fork Union?

May through October are months without snowfall in Fork Union, Virginia.

How many hours of daylight does Fork Union have in September?

In September, the average day length is 12h and 25min.

When are sunrise and sunset in September in Fork Union?

In September, on the first day of the month, sunrise is at 6:43 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:57 pm EDT.

How long on average sun shines in September in Fork Union?

In Fork Union, Virginia, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September in Fork Union?

In September, the average daily maximum UV index in Fork Union is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Fork Union, VA

Average temperature in September - Fork Union, VA
  • Average high temperature in September: 80.1°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (43°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in September
Fork Union, VA

Average pressure in September - Fork Union, VA
  • Average pressure in September: 30.05"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
Fork Union, VA

Average wind speed in September - Fork Union, VA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
Fork Union, VA

Average humidity in September - Fork Union, VA
  • Average humidity in September: 75%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

Average rainfall in September
Fork Union, VA

Average rainfall in September - Fork Union, VA
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is April (2.76").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in September
Fork Union, VA

Average rainfall days in September - Fork Union, VA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in September
Fork Union, VA

Average snowfall in September - Fork Union, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Fork Union, VA

Average snowfall days in September - Fork Union, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Fork Union, VA

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

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 36min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September
Fork Union, VA

Average sunshine days in September - Fork Union, VA
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (13.1 days).

Average UV index in September
Fork Union, VA

Average UV index in September - Fork Union, 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, November and December (UV index 2).

Average cloud cover in September
Fork Union, VA

Average cloud cover in September - Fork Union, VA
  • Average cloud cover in September: 39

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in September
Fork Union, VA

Average visibility in September - Fork Union, VA
  • Average visibility in September: 5mi

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

Fork Union, Virginia, USA

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