September weather forecastNewport, VA

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Newport, Virginia, with an average temperature ranging between min 54.3°F (12.4°C) and max 75.6°F (24.2°C).

Temperature

September is marked by a subtle drop in average high-temperatures, transitioning from 81.7°F (27.6°C) in August to a still warm 75.6°F (24.2°C). Nighttime temperatures consistently average a cool 54.3°F (12.4°C) during September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

The month with the least rainfall in Newport is September, when the rain falls for 13.5 days and typically collects 1.65" (42mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:50 pm. On the last day of September, in Newport, Virginia, sunrise is at 7:17 am and sunset at 7:06 pm EDT.

Sunshine

In Newport, the average sunshine in September is 8.2h.

UV index

In Newport, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 4 during September leads to these advisories:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Newport, records 75.6°F (24.2°C), while the low-temperature is 54.3°F (12.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in August is appraised at 87.8°F (31°C).

In Newport, Virginia, the average relative humidity in September is 79%.

September is the month with the least rainfall in Newport, Virginia. Rain falls for 13.5 days and accumulates 1.65" (42mm) of precipitation.

In September, the rain falls for 13.5 days. Throughout September, 1.65" (42mm) of precipitation is accumulated.

June through September are months without snowfall in Newport, Virginia.

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

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

On the first day of September in Newport, Virginia, sunrise is at 6:53 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:06 pm EDT.

In September, the average sunshine duration in Newport is 8.2h.

The average daily maximum UV index in September in Newport, Virginia, is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Newport, VA

  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (39.4°F).

  • Average low temperature in September: 54.3°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Newport, 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 (29.98"Hg).

Average wind speed in September
Newport, VA

  • Average wind speed in September: 4.5mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in September
Newport, VA

  • Average humidity in September: 79%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is July (75%).

Average rainfall in September
Newport, VA

  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Newport, VA

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in September
Newport, VA

  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Newport, VA

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 24min

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 12min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in September
Newport, VA

  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (8.6 days).

Average UV index in September
Newport, VA

  • Average UV index in September: 4

The months with the highest UV index are June, July and 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
Newport, VA

  • Average cloud cover in September: 43

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in September
Newport, VA

  • Average visibility in September: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).