Climate averages 1991–2020
Winston-Salem weather
in September.
A warm, wet month: the 4th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Winston-Salem: daytime highs average 26.4°C and nights cool to about 17.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 101 mm of rain on roughly 9 days, which makes September a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 27 min on an average September day.
The nearest other city in this atlas is High Point (27 km away). In September its highs average 26.3°C, about as warm as Winston-Salem, with 105 mm of rain.
Among the 498 cities listed in the United States, Winston-Salem ranks joint 263rd of 498 for the warmest September highs and joint 398th of 498 for the driest September (rainfall, lowest first). The mean September high of those 498 cities is 26.9°C; Winston-Salem is 0.5°C cooler than that mean.
From September to October, average highs fall by 5.6°C to 20.8°C, and monthly rainfall falls from 101 mm to 83 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Winston-Salem climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.5°C-0.8°C | -0.8°C | 92 | 9.4 | 10.010 h |
| February | 10.7°C0.4°C | 0.4°C | 83 | 8.9 | 10.811 h |
| March | 14.9°C3.8°C | 3.8°C | 108 | 10.0 | 11.912 h |
| April | 20.4°C8.8°C | 8.8°C | 93 | 9.5 | 13.113 h |
| May | 24.9°C14.0°C | 14.0°C | 84 | 10.9 | 14.114 h |
| June | 29.0°C18.7°C | 18.7°C | 91 | 12.1 | 14.615 h |
| July | 31.1°C21.0°C | 21.0°C | 93 | 14.0 | 14.414 h |
| August | 29.9°C20.2°C | 20.2°C | 91 | 11.8 | 13.514 h |
| September, selected | 26.4°C17.0°C | 17.0°C | 101 | 9.0 | 12.412 h |
| October | 20.8°C10.6°C | 10.6°C | 83 | 7.3 | 11.311 h |
| November | 14.6°C4.6°C | 4.6°C | 85 | 7.7 | 10.310 h |
| December | 10.0°C1.0°C | 1.0°C | 93 | 9.0 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- High Point in SeptemberUnited States · 27 kmHigh 26.3°C · Low 17.1°C · 105 mm rain
- Greensboro in SeptemberUnited States · 41 kmHigh 26.2°C · Low 17.1°C · 105 mm rain
- Concord (North Carolina), United States in SeptemberUnited States · 83 kmHigh 27.2°C · Low 18.1°C · 103 mm rain
- Charlotte in SeptemberUnited States · 111 kmHigh 27.1°C · Low 17.7°C · 98 mm rain
- Durham in SeptemberUnited States · 122 kmHigh 26.9°C · Low 17.9°C · 112 mm rain
- Gastonia in SeptemberUnited States · 126 kmHigh 26.9°C · Low 18.0°C · 97 mm rain
- Roanoke in SeptemberUnited States · 133 kmHigh 25.5°C · Low 15.7°C · 102 mm rain
- Cary in SeptemberUnited States · 136 kmHigh 26.6°C · Low 18.2°C · 120 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Winston-Salem) is explained once on the Winston-Salem year overview and on the Sources, method and limits page.