Asheville, NC weather in September
In September, Asheville sees highs around 79°F and lows around 58°F: mild, with some rain. Expect about 9 wet days. Good for outdoor plans.
- Normal high
- 79°F
- Normal low
- 58°F
- Wet days
- 9
- 3.7 in total
- Muggy days
- 5
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 83°F | 74°F |
| Normal low | 62°F | 53°F |
| Chance of a wet day | 33% | 27% |
| Sunrise / sunset | 7:02 am / 7:57 pm | 7:24 am / 7:15 pm |
| Daylight | 12.9 h | 11.9 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical September day
- 6 am59°Fdew point 57°F
- 9 am65°Fdew point 59°F
- Noon74°Fdew point 58°F
- 3 pm76°Fdew point 58°F
- 6 pm72°Fdew point 59°F
- 9 pm65°Fdew point 60°F
NOAA hourly normals (local standard time) from Asheville Rgnl Airport (12 mi away); average wind 4 mph; clear or few clouds in 57% of daytime hours, mostly cloudy or overcast in 32%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F10 of 30
- Hot dayshigh 90°F or more1 of 30
- Muggy daysdaily mean dew point 65°F or more5 of 30
- Wet daysat least 0.01 in of rain or melted snow9 of 30
- Notable rainat least 0.10 in6 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 3.7 in; a dry September brings about 1.8 in and a wet one about 5.2 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202019: average high 85°F
- Coolest September1996: average high 74°F
- Wettest September2004: 12.9 in
- Driest September2005: 0.5 in
- Highest reading93°F (September 11, 2019)
- Lowest reading36°F (September 27, 2001)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 85°F | 79°F | 69°F |
| Normal low | 64°F | 58°F | 47°F |
| Wet days | 12 | 9 | 7 |
| Comfortable days | 1 | 10 | 19 |
| Daylight | 13.5 h | 12.4 h | 11.3 h |
Highs change by -6°F from August and -10°F into October.
Nearby alternatives in September
- Warmer: Concord, NC112 mi · high 84°F · 8 wet days
How Asheville ranks in September
- Normal high213th warmest of 378 cities; 10th of 10 in North Carolina
- Wet days249th driest of 378
- Comfortable days159th most of 342
What to pack for Asheville in September
- A rain jacket or umbrella – rain on about 9 days
Heating and cooling
September has 35 heating degree days and 136 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Asheville in September?
The normal high is 79°F and the normal low is 58°F. From 1991 to 2020 the hottest September reading was 93°F (September 11, 2019).
Does it rain a lot in Asheville in September?
About 9 days in September have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest September in 1991-2020 was in 2004 (12.9 in); the driest was in 2005 (0.5 in).
Is September a good time to visit Asheville?
September ranks 4th of 12 months on our comfort score for Asheville (61 out of 100). It has about 10 comfortable days and about 1 day at 90°F or hotter. The best months are April, May and October.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Asheville (USW00013872), 0.4 mi SSW of the city center, 2,238 ft (111 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Asheville Rgnl Airport (USW00003812), 12 mi S of the city center, 2,117 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Asheville Regional Airport (723150-03812), 12 mi S of the city center, 2,118 ft . Hourly observations, 1991-2020.