Greensboro weather in September: Greensboro, North Carolina: normal highs, lows, rain and records for September
Greensboro in September has a normal high of 80°F and a normal low of 62°F, a daily mean of 71°F, falling from 84°F on the 1st to 76°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 4.59 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 16°C, 117 mm of precipitation in September.
- NOAA stationPiedmont Triad International Airport
- Station IDUSW00013723
- Location36.10°N 79.94°W
- Elevation890 ft (271 m)
- From the center7 miles
- Population307,381
- Jan 49° 30°
- Feb 53° 33°
- Mar 61° 39°
- Apr 71° 48°
- May 78° 57°
- Jun 85° 65°
- Jul 89° 69°
- Aug 87° 68°
- Sep 80° 62°
- Oct 71° 49°
- Nov 61° 39°
- Dec 52° 33°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Greensboro in September?
The normal high is 80°F and the normal low 62°F, for a daily mean of 71.0°F. September is 6.3°F cooler than August and 10.8°F warmer than October. September is the 4th warmest month of the year in Greensboro and the wettest. Across the month the normal high falls 8°F, from 84°F on September 1 to 76°F on September 30. From one year to the next September's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 69°F and 74°F.
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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 84°F | 66°F | 29% | 19% |
| September 8 | 83°F | 64°F | 28% | 18% |
| September 15 | 81°F | 62°F | 27% | 17% |
| September 22 | 79°F | 59°F | 27% | 17% |
| September 30 | 76°F | 56°F | 26% | 16% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 84°F | 66°F | 29% | 19% | 13 h |
| September 2 | 84°F | 66°F | 29% | 19% | 13 h |
| September 3 | 84°F | 65°F | 29% | 19% | 12 h 50 min |
| September 4 | 84°F | 65°F | 28% | 19% | 12 h 50 min |
| September 5 | 83°F | 65°F | 28% | 19% | 12 h 50 min |
| September 6 | 83°F | 65°F | 28% | 19% | 12 h 50 min |
| September 7 | 83°F | 64°F | 28% | 18% | 12 h 50 min |
| September 8 | 83°F | 64°F | 28% | 18% | 12 h 40 min |
| September 9 | 82°F | 64°F | 27% | 18% | 12 h 40 min |
| September 10 | 82°F | 64°F | 27% | 18% | 12 h 40 min |
| September 11 | 82°F | 63°F | 27% | 18% | 12 h 40 min |
| September 12 | 82°F | 63°F | 27% | 18% | 12 h 30 min |
| September 13 | 81°F | 63°F | 27% | 18% | 12 h 30 min |
| September 14 | 81°F | 62°F | 27% | 18% | 12 h 30 min |
| September 15 | 81°F | 62°F | 27% | 17% | 12 h 30 min |
| September 16 | 80°F | 62°F | 27% | 17% | 12 h 30 min |
| September 17 | 80°F | 61°F | 27% | 17% | 12 h 20 min |
| September 18 | 80°F | 61°F | 27% | 17% | 12 h 20 min |
| September 19 | 80°F | 61°F | 27% | 17% | 12 h 20 min |
| September 20 | 79°F | 60°F | 27% | 17% | 12 h 20 min |
| September 21 | 79°F | 60°F | 27% | 17% | 12 h 10 min |
| September 22 | 79°F | 59°F | 27% | 17% | 12 h 10 min |
| September 23 | 78°F | 59°F | 27% | 17% | 12 h 10 min |
| September 24 | 78°F | 59°F | 27% | 17% | 12 h 10 min |
| September 25 | 78°F | 58°F | 27% | 17% | 12 h 10 min |
| September 26 | 77°F | 58°F | 27% | 17% | 12 h |
| September 27 | 77°F | 57°F | 27% | 17% | 12 h |
| September 28 | 77°F | 57°F | 27% | 17% | 12 h |
| September 29 | 76°F | 57°F | 27% | 17% | 12 h |
| September 30 | 76°F | 56°F | 26% | 16% | 11 h 50 min |
- Normal high
- 80°FSeptember average
- Normal low
- 62°FSeptember average
- Precipitation
- 4.59 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 28
- Days at 80°F or more
- 17
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013723; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Greensboro in September?
On a given September day the chance of 0.01 inch or more is 27% on average, highest around September 1 (29%). In all, 4.59 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Greensboro, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013723.
How humid and windy is Greensboro in September?
At 3 p.m. the normal temperature is 74°F with 53% relative humidity and a dew point of 56°F; at 6 a.m. it is 58°F with 89% humidity. The wind averages 6.4 mph, most often from the north-northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 58°F | 55°F | 89% | 5.1 mph | – |
| 9 a.m. | 65°F | 57°F | 74% | 7.9 mph | 50% |
| noon | 72°F | 56°F | 58% | 8.3 mph | 45% |
| 3 p.m. | 74°F | 56°F | 53% | 8.3 mph | 39% |
| 6 p.m. | 70°F | 56°F | 62% | 6.5 mph | 55% |
| 9 p.m. | 64°F | 57°F | 77% | 5.2 mph | 60% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013723. 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 Greensboro?
The warmest September temperature on Greensboro's official record (since 1903) is 101°F, on September 3, 1921; the coldest is 35°F, on September 29, 1942. The wettest September brought 13.26 in (1947).
The September mean against the 1991-2020 normal of 71.0°F: 2021 70.8°F (−0.2), 2022 70.0°F (−1.0), 2023 70.8°F (−0.2), 2024 71.0°F (at normal), 2025 70.4°F (−0.6), 2026 74.9°F (+3.9). 1 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 70.8°F | −0.2°F | 3.68 in |
| 2022 | 70.0°F | −1.0°F | 5.44 in |
| 2023 | 70.8°F | −0.2°F | 5.38 in |
| 2024 | 71.0°F | at normal | 7.65 in |
| 2025 | 70.4°F | −0.6°F | 3.93 in |
| 2026 | 74.9°F | +3.9°F | 2.94 in |
Source: records: ACIS, NWS threaded record GSOthr; recent months: ACIS, station USW00013723. Records and recent months use complete months only.
How does September in Greensboro compare across North Carolina?
Across the 131 places PlainClimate covers in North Carolina, September normal highs run from 63°F in Beech Mountain to 87°F in Southport; Greensboro's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Greensboro in August87°F by day, 68°F at night
- Greensboro in October71°F by day, 49°F at night
- Greensboro through the yearEvery month, frost dates, records and recent years
- North Carolina in SeptemberThe statewide normal and the warmest and coolest places
- Southport: North Carolina's warmest Septembernormal high 87°F