September weather forecast
Fredericksburg, VA

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A river Rappahannock gloriously flows separating bushy trees from the beautiful buildings in Fredericksburg city, Virginia
A river Rappahannock gloriously flows separating bushy trees from the beautiful buildings in Fredericksburg city, Virginia

Weather in September

September marks the transition from summer to autumn in Fredericksburg, bringing relief from the summer heat. Attentive observers will notice an initial drop in temperatures, averaging high at 79.9°F (26.6°C). Meanwhile, rainfall levels decrease to 1.93" (49mm), indicating the gradual transition away from the shower-filled summer months. This month offers a delightful blend of warm days and cooler nights, perfect for exploring the city's charming surroundings.

Temperature

During the shift to September, Fredericksburg records a mild decrease in average high-temperature, moving from a tropical 86.7°F (30.4°C) in August to a moderately hot 79.9°F (26.6°C). Fredericksburg records a steady low-temperature average of 60.8°F (16°C) during September.

Humidity

The average relative humidity in September in Fredericksburg, Virginia, is 76%.

Rainfall

In Fredericksburg, in September, during 13.2 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Fredericksburg, during the entire year, the rain falls for 153.8 days and collects up to 26.73" (679mm) of precipitation.

Snowfall

May through October are months without snowfall in Fredericksburg.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:53 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In September, the average daily maximum UV index in Fredericksburg is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 5 in September translates into these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's recommended to limit sun exposure when its radiation is at its peak during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Fredericksburg?

The high-temperature, in September, in Fredericksburg, records 79.9°F (26.6°C), while the low-temperature is 60.8°F (16°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 98.6°F (37°C).

What is the average humidity in September in Fredericksburg?

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

How much does it rain in Fredericksburg in September?

In Fredericksburg, in September, it is raining for 13.2 days, with typically 1.93" (49mm) of accumulated precipitation.

When it does not snow in Fredericksburg?

May through October are months without snowfall in Fredericksburg.

How many hours of daylight does Fredericksburg have in September?

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

When are sunrise and sunset in September in Fredericksburg?

On the first day of September in Fredericksburg, Virginia, sunrise is at 6:40 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:53 pm EDT.

How many hours of sunshine does Fredericksburg have in September?

In Fredericksburg, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September in Fredericksburg?

In September, the average daily maximum UV index in Fredericksburg, Virginia, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Fredericksburg, VA

Average temperature in September - Fredericksburg, VA
  • Average high temperature in September: 79.9°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in September: 60.8°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Fredericksburg, VA

Average pressure in September - Fredericksburg, VA
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Fredericksburg, VA

Average wind speed in September - Fredericksburg, VA
  • Average wind speed in September: 5.3mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Fredericksburg, VA

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

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

Average rainfall in September
Fredericksburg, VA

Average rainfall in September - Fredericksburg, VA
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (1.65").

Average rainfall days in September
Fredericksburg, VA

Average rainfall days in September - Fredericksburg, VA
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in September
Fredericksburg, VA

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

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Fredericksburg, VA

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

The months with the highest number of snowfall days are January and February (4.3 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
Fredericksburg, VA

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

The month with the longest days is June (Average daylight: 14h and 48min).
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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Fredericksburg, VA

Average sunshine days in September - Fredericksburg, VA
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12.4 days).

Average UV index in September
Fredericksburg, VA

Average UV index in September - Fredericksburg, 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).

Average cloud cover in September
Fredericksburg, VA

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

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Fredericksburg, VA

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

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

Fredericksburg, Virginia, USA

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