Winston-Salem weather in September: Winston-Salem, North Carolina: normal highs, lows, rain and records for September
Winston-Salem in September has a normal high of 80°F and a normal low of 61°F, a daily mean of 71°F, falling from 84°F on the 1st to 76°F by the 30th. Measurable precipitation falls on 10 days in a normal September, 3.86 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 16°C, 98 mm of precipitation in September.
- NOAA stationWinston Salem Rynlds Airport
- Station IDUSW00093807
- Location36.13°N 80.22°W
- Elevation970 ft (296 m)
- Population255,769
- Jan 49° 31°
- Feb 53° 33°
- Mar 61° 40°
- Apr 71° 48°
- May 78° 57°
- Jun 85° 65°
- Jul 88° 69°
- Aug 86° 68°
- Sep 80° 61°
- Oct 71° 49°
- Nov 60° 39°
- Dec 52° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Winston-Salem in September?
The normal high is 80°F and the normal low 61°F, for a daily mean of 70.6°F. September is 6.4°F cooler than August and 10.7°F warmer than October. September is the 4th warmest month of the year in Winston-Salem and the 3rd 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 68°F and 73°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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 84°F | 65°F | 34% | 19% |
| September 8 | 82°F | 64°F | 33% | 18% |
| September 15 | 80°F | 62°F | 33% | 18% |
| September 22 | 78°F | 59°F | 33% | 18% |
| September 30 | 76°F | 56°F | 33% | 18% |
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 | 65°F | 34% | 19% | 13 h |
| September 2 | 84°F | 65°F | 33% | 19% | 13 h |
| September 3 | 83°F | 65°F | 33% | 19% | 12 h 50 min |
| September 4 | 83°F | 65°F | 33% | 19% | 12 h 50 min |
| September 5 | 83°F | 65°F | 33% | 19% | 12 h 50 min |
| September 6 | 83°F | 64°F | 33% | 19% | 12 h 50 min |
| September 7 | 82°F | 64°F | 33% | 19% | 12 h 50 min |
| September 8 | 82°F | 64°F | 33% | 18% | 12 h 40 min |
| September 9 | 82°F | 63°F | 32% | 18% | 12 h 40 min |
| September 10 | 82°F | 63°F | 32% | 18% | 12 h 40 min |
| September 11 | 81°F | 63°F | 32% | 18% | 12 h 40 min |
| September 12 | 81°F | 63°F | 32% | 18% | 12 h 30 min |
| September 13 | 81°F | 62°F | 32% | 18% | 12 h 30 min |
| September 14 | 81°F | 62°F | 32% | 18% | 12 h 30 min |
| September 15 | 80°F | 62°F | 33% | 18% | 12 h 30 min |
| September 16 | 80°F | 61°F | 33% | 18% | 12 h 30 min |
| September 17 | 80°F | 61°F | 33% | 18% | 12 h 20 min |
| September 18 | 80°F | 61°F | 33% | 18% | 12 h 20 min |
| September 19 | 79°F | 60°F | 33% | 18% | 12 h 20 min |
| September 20 | 79°F | 60°F | 33% | 18% | 12 h 20 min |
| September 21 | 79°F | 60°F | 33% | 18% | 12 h 10 min |
| September 22 | 78°F | 59°F | 33% | 18% | 12 h 10 min |
| September 23 | 78°F | 59°F | 33% | 18% | 12 h 10 min |
| September 24 | 78°F | 58°F | 33% | 18% | 12 h 10 min |
| September 25 | 78°F | 58°F | 33% | 18% | 12 h 10 min |
| September 26 | 77°F | 58°F | 33% | 18% | 12 h |
| September 27 | 77°F | 57°F | 33% | 18% | 12 h |
| September 28 | 77°F | 57°F | 33% | 18% | 12 h |
| September 29 | 76°F | 57°F | 33% | 18% | 12 h |
| September 30 | 76°F | 56°F | 33% | 18% | 11 h 50 min |
- Normal high
- 80°FSeptember average
- Normal low
- 61°FSeptember average
- Precipitation
- 3.86 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 27
- Days at 80°F or more
- 17
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093807; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Winston-Salem in September?
On a given September day the chance of 0.01 inch or more is 33% on average, highest around September 1 (34%). In all, 3.86 in falls on 10 days of a normal September, 1 of them with an inch or more.
In a normal September in Winston-Salem, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093807.
What are the records for September in Winston-Salem?
The warmest September temperature on this station's record (since 1899) is 102°F, on September 8, 1925; the coldest is 36°F, on September 30, 1942. The wettest September brought 10.04 in (1944).
The September mean against the 1991-2020 normal of 70.6°F: 2021 71.6°F (+1.0), 2022 70.3°F (−0.3), 2023 71.8°F (+1.2), 2026 75.2°F (+4.6). 3 of 4 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 71.6°F | +1.0°F | 4.43 in |
| 2022 | 70.3°F | −0.3°F | 4.29 in |
| 2023 | 71.8°F | +1.2°F | 2.19 in |
| 2026 | 75.2°F | +4.6°F | – |
Source: records: ACIS, station USW00093807; recent months: ACIS, station USW00093807. Records and recent months use complete months only.
How does September in Winston-Salem 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; Winston-Salem's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Winston-Salem in August86°F by day, 68°F at night
- Winston-Salem in October71°F by day, 49°F at night
- Winston-Salem 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