September weather forecast
Fort Christanna, VA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Fort Christanna, Virginia, with temperature in the range of an average low of 62.8°F (17.1°C) and an average high of 81.1°F (27.3°C).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a hot 87.3°F (30.7°C) in August to a moderately hot 81.1°F (27.3°C). An average low-temperature of 62.8°F (17.1°C) is observed in Fort Christanna during the September nights.

Heat index

In September, the average heat index is calculated to be a hot 86°F (30°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

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

Rainfall

In Fort Christanna, in September, during 11.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In Fort Christanna, during the entire year, the rain falls for 146.6 days and collects up to 20.91" (531mm) of precipitation.

Snowfall

April through October are months without snowfall in Fort Christanna.

Daylight

In Fort Christanna, the average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:39 pm. On the last day of September, in Fort Christanna, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

Sunshine

In Fort Christanna, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September in Fort Christanna is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 5 suggests this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's radiation is especially intense around midday; try to stay in shade during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are the temperatures in Fort Christanna in September?

The average high-temperature, in September, in Fort Christanna, is 81.1°F (27.3°C), while the average low-temperature is 62.8°F (17.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 86°F (30°C).

What is the average humidity in September in Fort Christanna?

In Fort Christanna, Virginia, the average relative humidity in September is 76%.

How much does it rain in Fort Christanna in September?

In Fort Christanna, Virginia, in September, during 11.8 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

When it does not snow in Fort Christanna?

In Fort Christanna, Virginia, snow does not fall in April through October.

What is the average length of the day in September in Fort Christanna?

In September, the average day length is 12h and 24min.

When is the sunrise / sunset in September in Fort Christanna?

In September, on the first day of the month, sunrise is at 6:43 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

How many hours of sunshine does Fort Christanna have in September?

In September, the average sunshine duration in Fort Christanna is 8.8h.

What is the UV index intensity in September in Fort Christanna?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes 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
Fort Christanna, VA

Average temperature in September - Fort Christanna, VA
  • Average high temperature in September: 81.1°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 (46°F).

  • Average low temperature in September: 62.8°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in September
Fort Christanna, VA

Average pressure in September - Fort Christanna, VA
  • Average pressure in September: 30.04"Hg

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

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Average wind speed in September
Fort Christanna, VA

Average wind speed in September - Fort Christanna, VA
  • Average wind speed in September: 5.9mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Fort Christanna, VA

Average humidity in September - Fort Christanna, VA
  • Average humidity in September: 76%

The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in September
Fort Christanna, VA

Average rainfall in September - Fort Christanna, VA
  • Average rainfall in September: 1.34"

The wettest months (with the highest rainfall) are May and August (2.05").
The driest month (with the least rainfall) is October (1.1").

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Average rainfall days in September
Fort Christanna, VA

Average rainfall days in September - Fort Christanna, VA
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is October (8.3 days).

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Average snowfall in September
Fort Christanna, VA

Average snowfall in September - Fort Christanna, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Fort Christanna, VA

Average snowfall days in September - Fort Christanna, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.7 days).
The 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
Fort Christanna, VA

Average daylight in September / Average sunshine in September - Fort Christanna, 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 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in September
Fort Christanna, VA

Average sunshine days in September - Fort Christanna, VA
  • Average sunshine days in September: 16 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in September
Fort Christanna, VA

Average UV index in September - Fort Christanna, 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 and December (UV index 2).

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Average cloud cover in September
Fort Christanna, VA

Average cloud cover in September - Fort Christanna, VA
  • Average cloud cover in September: 38

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 31).

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Average visibility in September
Fort Christanna, VA

Average visibility in September - Fort Christanna, VA
  • Average visibility in September: 6mi

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

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Fort Christanna, Virginia, USA

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