Virginia Beach
Virginia, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Virginia Beach, VA

September, the first month of the autumn, in Virginia Beach, is also a moderately hot month, with average temperature ranging between min 70.3°F (21.3°C) and max 77.9°F (25.5°C).

Temperature

In Virginia Beach, the average high-temperature in September is essentially the same as in August - a still warm 77.9°F (25.5°C). The average low-temperature, in Virginia Beach, is 70.3°F (21.3°C).

Humidity

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

Rainfall

In Virginia Beach, it is raining for 11.5 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, in Virginia Beach, there are 134.5 rainfall days, and 14.21" (361mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Ocean temperature

In Virginia Beach, Virginia, the average water temperature is 74.8°F (23.8°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 74.8°F (23.8°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

The average length of the day in September is 12.4h.

Sunshine

In Virginia Beach, the average sunshine in September is 9.5h.

UV index

In Virginia Beach, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the temperature in September in Virginia Beach?

In Virginia Beach, in September, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 70.3°F (21.3°C).

What is the average humidity in September in Virginia Beach?

The average relative humidity in September is 76%.

How many days does it rain in September in Virginia Beach?

In September, in Virginia Beach, the rain falls for 11.5 days. Throughout September, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Virginia Beach?

In Virginia Beach snow does not fall in April through November.

What is the ocean temperature in September in Virginia Beach?

In September, the average ocean temperature is 74.8°F (23.8°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 74.8°F (23.8°C).

How many hours of daylight does Virginia Beach have in September?

In September, the average length of the day in Virginia Beach, Virginia, is 12.4h.

How many hours of sunshine does Virginia Beach have in September?

The average sunshine in September is 9.5h.

What is the UV index intensity in September in Virginia Beach?

In September, the average daily maximum UV index in Virginia Beach, Virginia, is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in September - Virginia Beach, VA
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in September: 70.3°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).

Average humidity in September - Virginia Beach, VA
  • Average humidity in September: 76%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are October and November (74%).

Average rainfall in September - Virginia Beach, VA
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is November (0.75").

Average rainfall days in September - Virginia Beach, VA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September - Virginia Beach, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.28").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September - Virginia Beach, VA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.4 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in September - Virginia Beach, VA
  • Average sea temperature in September: 74.8°F

The best month for swimming (with the highest average sea temperature) is August (80°F).
The coldest month (with the lowest average sea temperature) is February (41.8°F).

Average daylight in September / Average sunshine in September - Virginia Beach, VA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 9.5h

The month with the most sunshine is July (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 5.4h).

Average UV index in September - Virginia Beach, VA
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, March, November and December (UV index 3).