September weather forecast
Andersonville, VA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Andersonville, Virginia, with an average temperature fluctuating between 61°F (16.1°C) and 80.2°F (26.8°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a tropical 87.4°F (30.8°C) in August to a moderately hot 80.2°F (26.8°C). In September, the nighttime temperature lowers to an average of 61°F (16.1°C).

Humidity

In September, the average relative humidity is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.81" (46mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 25min.
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 is 8.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The average high-temperature and low-temperature during September are 80.2°F (26.8°C) and 61°F (16.1°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 100.4°F (38°C).

What is the average humidity in September?

The average relative humidity in September is 75%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.81" (46mm) of precipitation.

How many days does it rain in September in Andersonville?

In Andersonville, Virginia, in September, it is raining for 12.7 days, with typically 1.81" (46mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Andersonville have in September?

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

What time are sunrise and sunset in September?

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, sunrise is at 7:09 am and sunset at 6:58 pm EDT.

How many hours of sunshine does Andersonville have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Andersonville, VA

Average temperature in September - Andersonville, VA
  • Average high temperature in September: 80.2°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September
Andersonville, VA

Average pressure in September - Andersonville, 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
Andersonville, VA

Average wind speed in September - Andersonville, VA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Andersonville, VA

Average humidity in September - Andersonville, 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 (69%).

Average rainfall in September
Andersonville, VA

Average rainfall in September - Andersonville, VA
  • Average rainfall in September: 1.81"

The wettest months (with the highest rainfall) are February and May (2.95").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in September
Andersonville, VA

Average rainfall days in September - Andersonville, VA
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in September
Andersonville, VA

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

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

Average snowfall days in September
Andersonville, VA

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

The months with the highest number of snowfall days are January and February (3.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Andersonville, 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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September
Andersonville, VA

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

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in September
Andersonville, VA

Average UV index in September - Andersonville, 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
Andersonville, VA

Average cloud cover in September - Andersonville, VA
  • Average cloud cover in September: 40

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in September
Andersonville, VA

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

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

Andersonville, Virginia, USA

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