September weather forecast
Damascus, VA

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Weather in September

September, the first month of the autumn in Damascus, is still a warm month, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 75.7°F (24.3°C).

Temperature

Damascus experiences a recorded average high-temperature of a still warm 75.7°F (24.3°C) in September, closely aligned with August's 80.6°F (27°C). Damascus notes a substantial temperature decline from the daytime peaks throughout September, with an average nighttime temperature of 53.6°F (12°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Damascus, the average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 6:58 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:11 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Damascus in September?

In Damascus, 75.7°F (24.3°C) is the average high-temperature and 53.6°F (12°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 79%.

What is the driest month?

The month with the least rainfall in Damascus is September, when the rain falls for 14.2 days and typically collects 1.38" (35mm) of precipitation.

How many days does it rain in September in Damascus?

In September, the rain falls for 14.2 days. Throughout September, 1.38" (35mm) of precipitation is accumulated.

When it does not snow?

In Damascus, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:58 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:11 pm EDT.

How many hours of sunshine does Damascus have in September?

In Damascus, Virginia, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from 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
Damascus, VA

Average temperature in September - Damascus, VA
  • Average high temperature in September: 75.7°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (39.4°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in September
Damascus, VA

Average pressure in September - Damascus, VA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Damascus, VA

Average wind speed in September - Damascus, VA
  • Average wind speed in September: 4.4mph

The windiest months (with the highest average wind speed) are January and April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in September
Damascus, VA

Average humidity in September - Damascus, VA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Damascus, VA

Average rainfall in September - Damascus, VA
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is February (3.43").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in September
Damascus, VA

Average rainfall days in September - Damascus, VA
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is November (11.3 days).

Average snowfall in September
Damascus, VA

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

The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Damascus, VA

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

The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Damascus, 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in September
Damascus, VA

Average sunshine days in September - Damascus, VA
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is May (6.8 days).

Average UV index in September
Damascus, VA

Average UV index in September - Damascus, VA
  • Average UV index in September: 4

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Damascus, VA

Average cloud cover in September - Damascus, VA
  • Average cloud cover in September: 38

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are June and August (Cloud cover 35).

Average visibility in September
Damascus, VA

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

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

Damascus, Virginia, USA

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