Newport News weather in September: Newport News, Virginia: normal highs, lows, rain and records for September

Newport News in September has a normal high of 81°F and a normal low of 63°F, a daily mean of 72°F, falling from 85°F on the 1st to 77°F by the 30th. Measurable precipitation falls on 12 days in a normal September, 4.95 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 27°C and low of 17°C, 126 mm of precipitation in September.

  • NOAA stationNewport News International Airport
  • Station IDUSW00093741
  • Location37.13°N 76.49°W
  • Elevation42 ft (13 m)
  • From the center4 miles
  • Population183,056
  1. Jan 49° 31°
  2. Feb 53° 32°
  3. Mar 59° 38°
  4. Apr 70° 47°
  5. May 77° 56°
  6. Jun 85° 65°
  7. Jul 88° 70°
  8. Aug 87° 68°
  9. Sep 81° 63°
  10. Oct 71° 51°
  11. Nov 61° 40°
  12. Dec 53° 34°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Newport News in September?

The normal high is 81°F and the normal low 63°F, for a daily mean of 71.7°F. September is 5.6°F cooler than August and 10.3°F warmer than October. September is the 4th warmest month of the year in Newport News and the 2nd wettest. Across the month the normal high falls 8°F, from 85°F on September 1 to 77°F on September 30. From one year to the next September's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 70°F and 74°F.

Newport News in September, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 40%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 185°F66°F39%18%
September 883°F65°F39%17%
September 1581°F63°F40%16%
September 2279°F61°F40%17%
September 3077°F58°F40%17%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Newport News: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 185°F66°F39%18%13 h
September 284°F66°F39%18%13 h
September 384°F65°F39%18%13 h
September 484°F65°F39%18%12 h 50 min
September 584°F65°F39%17%12 h 50 min
September 684°F65°F39%17%12 h 50 min
September 783°F65°F39%17%12 h 50 min
September 883°F65°F39%17%12 h 40 min
September 983°F64°F39%17%12 h 40 min
September 1083°F64°F39%17%12 h 40 min
September 1182°F64°F39%17%12 h 40 min
September 1282°F64°F39%16%12 h 40 min
September 1382°F64°F39%16%12 h 30 min
September 1482°F63°F40%16%12 h 30 min
September 1581°F63°F40%16%12 h 30 min
September 1681°F63°F40%16%12 h 30 min
September 1781°F63°F40%16%12 h 20 min
September 1880°F62°F40%16%12 h 20 min
September 1980°F62°F40%16%12 h 20 min
September 2080°F62°F40%16%12 h 20 min
September 2180°F61°F40%16%12 h 10 min
September 2279°F61°F40%17%12 h 10 min
September 2379°F61°F40%17%12 h 10 min
September 2479°F61°F40%17%12 h 10 min
September 2578°F60°F40%17%12 h 10 min
September 2678°F60°F40%16%12 h
September 2778°F59°F40%16%12 h
September 2877°F59°F40%16%12 h
September 2977°F59°F40%16%12 h
September 3077°F58°F40%17%11 h 50 min
Normal high
81°FSeptember average
Normal low
63°FSeptember average
Precipitation
4.95 inmonth total
Days with precipitation
120.01 inch or more
Days at 90°F or more
4
Daylight
13 h to 11 h 50 minSeptember 1 to September 30
Days at 70°F or more
29
Days at 80°F or more
19
Sunshine
77%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093741; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Newport News in September?

On a given September day the chance of 0.01 inch or more is 40% on average, highest around September 24 (40%). In all, 4.95 in falls on 12 days of a normal September, 2 of them with an inch or more.

In a normal September in Newport News, 4 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093741.

How humid and windy is Newport News in September?

At 3 p.m. the normal temperature is 75°F with 56% relative humidity and a dew point of 58°F; at 6 a.m. it is 62°F with 87% humidity. The wind averages 7.3 mph, most often from the east-northeast in the afternoon.

A normal September day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.62°F58°F87%5.5 mph59%
9 a.m.70°F60°F70%9.1 mph–
noon75°F59°F58%10.0 mph57%
3 p.m.75°F58°F56%10.0 mph58%
6 p.m.69°F59°F71%6.9 mph64%
9 p.m.65°F59°F81%5.6 mph67%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00093741. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for September in Newport News?

The warmest September temperature on this station's record (since 2000) is 99°F, on September 2, 2014; the coldest is 45°F, on September 27, 2001. The wettest September brought 9.62 in (2003).

The September mean against the 1991-2020 normal of 71.7°F: 2021 71.1°F (−0.6), 2022 71.0°F (−0.7), 2023 71.3°F (−0.4), 2024 70.8°F (−0.9), 2025 69.9°F (−1.8). 0 of 5 ran warmer than normal.

Newport News: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202171.1°F−0.6°F1.92 in
202271.0°F−0.7°F5.54 in
202371.3°F−0.4°F4.42 in
202470.8°F−0.9°F3.56 in
202569.9°F−1.8°F6.99 in

Source: records: ACIS, station USW00093741; recent months: ACIS, station USW00093741. Records and recent months use complete months only.

How does September in Newport News compare across Virginia?

Across the 81 places PlainClimate covers in Virginia, September normal highs run from 73°F in Floyd to 85°F in Chesapeake; Newport News's is 81°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places