September weather forecast
Newport News, VA

Weather in September

September, the first month of the autumn in Newport News, is also a moderately hot month, with an average temperature ranging between min 68.2°F (20.1°C) and max 78.8°F (26°C).

Temperature

In September, the average high-temperature slightly decreases from a moderately hot 84.2°F (29°C) in August to a still warm 78.8°F (26°C). In September, in Newport News, the average low-temperature is 68.2°F (20.1°C).

Humidity

The average relative humidity in September in Newport News is 75%.

Rainfall

In September, in Newport News, the rain falls for 13.4 days. Throughout September, 2.76" (70mm) of precipitation is accumulated. In Newport News, during the entire year, the rain falls for 161.2 days and collects up to 28.43" (722mm) of precipitation.

Snowfall

In Newport News, snow does not fall in April through November.

Ocean temperature

In Newport News, Virginia, in September, the average water temperature is 75.6°F (24.2°C).
Note: 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 75.6°F (24.2°C).

Daylight

In September, the average length of the day in Newport News is 12h and 25min.
On the first day of September, sunrise is at 6:36 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:51 pm EDT.

Sunshine

In September, the average sunshine is 9.4h.

UV index

The average daily maximum UV index in September in Newport News, Virginia, is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
[Resources]

FAQ

What is the temperature in September in Newport News?

In Newport News, in September, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 68.2°F (20.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 91.4°F (33°C).

What is the average humidity in September in Newport News?

The average relative humidity in September in Newport News, Virginia, is 75%.

How many days does it rain in September in Newport News?

In Newport News, Virginia, in September, it is raining for 13.4 days, with typically 2.76" (70mm) of accumulated precipitation.

When it does not snow in Newport News?

In Newport News, Virginia, snow does not fall in April through November.

How warm is the water in September in Newport News?

In Newport News, Virginia, in September, the average water temperature is 75.6°F (24.2°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75.6°F (24.2°C) water.

What is the average length of the day in September in Newport News?

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

When is the sunrise / sunset in September in Newport News?

On the first day of September, sunrise is at 6:36 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:51 pm EDT.

How long on average sun shines in September in Newport News?

In September, the average sunshine duration in Newport News, Virginia, is 9.4h.

What is the UV index reading in September in Newport News?

The average daily maximum UV index in September in Newport News is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Newport News, VA

Average temperature in September - Newport News, VA
  • Average high temperature in September: 78.8°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in September: 68.2°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).

[Resources]

Average pressure in September
Newport News, VA

Average pressure in September - Newport News, VA
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

[Resources]

Average wind speed in September
Newport News, VA

Average wind speed in September - Newport News, VA
  • Average wind speed in September: 9mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8mph).

[Resources]

Average humidity in September
Newport News, VA

Average humidity in September - Newport News, VA
  • Average humidity in September: 75%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (73%).

[Resources]

Average rainfall in September
Newport News, VA

Average rainfall in September - Newport News, VA
  • Average rainfall in September: 2.76"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is November (1.85").

[Resources]

Average rainfall days in September
Newport News, VA

Average rainfall days in September - Newport News, VA
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (9.5 days).

[Resources]

Average snowfall in September
Newport News, VA

Average snowfall in September - Newport News, VA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in September
Newport News, VA

Average snowfall days in September - Newport News, VA
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average sea temperature in September
Newport News, VA

Average sea temperature in September - Newport News, VA
  • Average sea temperature in September: 75.6°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 (44.5°F).

[Resources]

Average daylight in September /
Average sunshine in September
Newport News, VA

Average daylight in September / Average sunshine in September - Newport News, VA
  • Average daylight in September: 12h and 25min

The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 40min).

  • Average sunshine in September: 9h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

[Resources]

Average sunshine days in September
Newport News, VA

Average sunshine days in September - Newport News, VA
  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is August (10.5 days).

[Resources]

Average UV index in September
Newport News, VA

Average UV index in September - Newport News, VA
  • Average UV index in September: 5

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).

[Resources]

Average cloud cover in September
Newport News, VA

Average cloud cover in September - Newport News, VA
  • Average cloud cover in September: 33

The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).

[Resources]

Average visibility in September
Newport News, VA

Average visibility in September - Newport News, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location