Asheville weather in September: Asheville, North Carolina: normal highs, lows, rain and records for September
Asheville in September has a normal high of 79°F and a normal low of 58°F, a daily mean of 68°F, falling from 82°F on the 1st to 75°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 4.13 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 14°C, 105 mm of precipitation in September.
- NOAA stationAsheville Regional Airport
- Station IDUSW00003812
- Location35.43°N 82.54°W
- Elevation2,117 ft (645 m)
- From the center10 miles
- Population94,992
- Jan 49° 29°
- Feb 53° 31°
- Mar 60° 37°
- Apr 69° 45°
- May 76° 53°
- Jun 83° 61°
- Jul 85° 65°
- Aug 84° 64°
- Sep 79° 58°
- Oct 70° 46°
- Nov 60° 36°
- Dec 52° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Asheville in September?
The normal high is 79°F and the normal low 58°F, for a daily mean of 68.3°F. September is 5.7°F cooler than August and 10.4°F warmer than October. September is the 4th warmest month of the year in Asheville and the 6th wettest. Across the month the normal high falls 7°F, from 82°F on September 1 to 75°F on September 30. From one year to the next September's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 66°F and 71°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 82°F | 62°F | 35% | 22% |
| September 8 | 81°F | 60°F | 32% | 21% |
| September 15 | 79°F | 58°F | 30% | 20% |
| September 22 | 77°F | 56°F | 29% | 19% |
| September 30 | 75°F | 53°F | 28% | 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 | 82°F | 62°F | 35% | 22% | 13 h |
| September 2 | 82°F | 62°F | 35% | 22% | 13 h |
| September 3 | 82°F | 62°F | 34% | 22% | 12 h 50 min |
| September 4 | 82°F | 61°F | 34% | 22% | 12 h 50 min |
| September 5 | 81°F | 61°F | 33% | 21% | 12 h 50 min |
| September 6 | 81°F | 61°F | 33% | 21% | 12 h 50 min |
| September 7 | 81°F | 61°F | 33% | 21% | 12 h 40 min |
| September 8 | 81°F | 60°F | 32% | 21% | 12 h 40 min |
| September 9 | 81°F | 60°F | 32% | 20% | 12 h 40 min |
| September 10 | 80°F | 60°F | 31% | 20% | 12 h 40 min |
| September 11 | 80°F | 60°F | 31% | 20% | 12 h 40 min |
| September 12 | 80°F | 59°F | 31% | 20% | 12 h 30 min |
| September 13 | 80°F | 59°F | 31% | 20% | 12 h 30 min |
| September 14 | 79°F | 59°F | 30% | 20% | 12 h 30 min |
| September 15 | 79°F | 58°F | 30% | 20% | 12 h 30 min |
| September 16 | 79°F | 58°F | 30% | 19% | 12 h 30 min |
| September 17 | 78°F | 58°F | 30% | 19% | 12 h 20 min |
| September 18 | 78°F | 57°F | 30% | 19% | 12 h 20 min |
| September 19 | 78°F | 57°F | 29% | 19% | 12 h 20 min |
| September 20 | 78°F | 57°F | 29% | 19% | 12 h 20 min |
| September 21 | 77°F | 56°F | 29% | 19% | 12 h 10 min |
| September 22 | 77°F | 56°F | 29% | 19% | 12 h 10 min |
| September 23 | 77°F | 56°F | 29% | 19% | 12 h 10 min |
| September 24 | 76°F | 55°F | 29% | 19% | 12 h 10 min |
| September 25 | 76°F | 55°F | 29% | 19% | 12 h 10 min |
| September 26 | 76°F | 55°F | 29% | 19% | 12 h |
| September 27 | 76°F | 54°F | 28% | 18% | 12 h |
| September 28 | 75°F | 54°F | 28% | 18% | 12 h |
| September 29 | 75°F | 53°F | 28% | 18% | 12 h |
| September 30 | 75°F | 53°F | 28% | 18% | 11 h 50 min |
- Normal high
- 79°FSeptember average
- Normal low
- 58°FSeptember average
- Precipitation
- 4.13 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 13 h to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 26
- Days at 80°F or more
- 13
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003812; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Asheville in September?
On a given September day the chance of 0.01 inch or more is 31% on average, highest around September 1 (35%). In all, 4.13 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Asheville, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003812.
How humid and windy is Asheville in September?
At 3 p.m. the normal temperature is 72°F with 53% relative humidity and a dew point of 54°F; at 6 a.m. it is 54°F with 93% humidity. The wind averages 4.9 mph, most often from the north-northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 54°F | 52°F | 93% | 3.2 mph | – |
| 9 a.m. | 60°F | 54°F | 81% | 5.4 mph | 56% |
| noon | 69°F | 54°F | 58% | 7.3 mph | 62% |
| 3 p.m. | 72°F | 54°F | 53% | 8.1 mph | 59% |
| 6 p.m. | 67°F | 55°F | 66% | 6.1 mph | 61% |
| 9 p.m. | 60°F | 55°F | 84% | 3.5 mph | 65% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003812. 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 Asheville?
The warmest September temperature on Asheville's official record (since 1876) is 95°F, on September 15, 1897; the coldest is 30°F, on September 30, 1967. The wettest September brought 17.90 in (2024).
The September mean against the 1991-2020 normal of 68.3°F: 2021 67.4°F (−0.9), 2022 66.0°F (−2.3), 2023 69.2°F (+0.9), 2024 68.7°F (+0.4), 2025 67.9°F (−0.4), 2026 71.8°F (+3.5). 3 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 67.4°F | −0.9°F | 2.92 in |
| 2022 | 66.0°F | −2.3°F | 4.27 in |
| 2023 | 69.2°F | +0.9°F | 1.66 in |
| 2024 | 68.7°F | +0.4°F | 17.90 in |
| 2025 | 67.9°F | −0.4°F | 3.44 in |
| 2026 | 71.8°F | +3.5°F | 2.08 in |
Source: records: ACIS, NWS threaded record AVLthr; recent months: ACIS, station USW00003812. Records and recent months use complete months only.
How does September in Asheville 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; Asheville's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Asheville in August84°F by day, 64°F at night
- Asheville in October70°F by day, 46°F at night
- Asheville 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