September weather forecast
Old Fitzhugh, VA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Old Fitzhugh, Virginia, with an average temperature varying between 81.1°F (27.3°C) and 62.8°F (17.1°C).

Temperature

September signifies a gentle decline in Old Fitzhugh's average high-temperature, easing from a hot 87.3°F (30.7°C) in August to a warm 81.1°F (27.3°C). An average nighttime temperature of 62.8°F (17.1°C) is recorded during September.

Heat index

The average heat index in September is appraised at a hot 86°F (30°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The average relative humidity in September is 76%.

Rainfall

In September, the rain falls for 11.8 days. Throughout September, 1.34" (34mm) of precipitation is accumulated. In Old Fitzhugh, 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.

Daylight

In Old Fitzhugh, the average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:55 pm EDT.

Sunshine

In Old Fitzhugh, the average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents 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:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. 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.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The average high-temperature and low-temperature during September are 81.1°F (27.3°C) and 62.8°F (17.1°C) respectively. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is appraised at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 76%.

How much does it rain in September?

In September, the rain falls for 11.8 days. Throughout September, 1.34" (34mm) of precipitation is accumulated.

When it does not snow?

In Old Fitzhugh, snow does not fall in April through October.

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:42 am and sunset at 7:38 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 Old Fitzhugh have in September?

In Old Fitzhugh, the average sunshine duration in September is 8.8h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Old Fitzhugh, VA

Average temperature in September - Old Fitzhugh, 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).

Average pressure in September
Old Fitzhugh, VA

Average pressure in September - Old Fitzhugh, 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).

Average wind speed in September
Old Fitzhugh, VA

Average wind speed in September - Old Fitzhugh, 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).

Average humidity in September
Old Fitzhugh, VA

Average humidity in September - Old Fitzhugh, 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%).

Average rainfall in September
Old Fitzhugh, VA

Average rainfall in September - Old Fitzhugh, 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").

Average rainfall days in September
Old Fitzhugh, VA

Average rainfall days in September - Old Fitzhugh, 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).

Average snowfall in September
Old Fitzhugh, VA

Average snowfall in September - Old Fitzhugh, 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").

Average snowfall days in September
Old Fitzhugh, VA

Average snowfall days in September - Old Fitzhugh, 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).

Average daylight in September /
Average sunshine in September
Old Fitzhugh, VA

Average daylight in September / Average sunshine in September - Old Fitzhugh, 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).

Average sunshine days in September
Old Fitzhugh, VA

Average sunshine days in September - Old Fitzhugh, 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).

Average UV index in September
Old Fitzhugh, VA

Average UV index in September - Old Fitzhugh, 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).

Average cloud cover in September
Old Fitzhugh, VA

Average cloud cover in September - Old Fitzhugh, 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).

Average visibility in September
Old Fitzhugh, VA

Average visibility in September - Old Fitzhugh, 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).

Old Fitzhugh, Virginia, USA

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