September weather in Black Mountain, NC
The average temperature in Black Mountain in September is 66.3°F (54.8°F–77.8°F). Average precipitation: inches.
September is a fall month in Black Mountain, and is warmer than the annual average of 55.4°F. Daily temperatures swing about 23°F between overnight low and afternoon high. Daylight averages about 12h 13m. For travel, September is one of the best months of the year to visit.
Avg High
77.8°F
Avg Low
54.8°F
Precipitation
in
Daylight
12h 13m
September records in Black Mountain
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1957) | 44.1°F (1954) | 3.25 in (1950) |
| September 2 | 91.9°F (1998) | 45.0°F (1958) | 2.14 in (2004) |
| September 3 | 91.0°F (1975) | 44.1°F (1967) | 0.84 in (1960) |
| September 4 | 93.0°F (1975) | 39.9°F (1952) | 1.95 in (1988) |
| September 5 | 93.0°F (1954) | 39.9°F (1997) | 3.42 in (1996) |
| September 6 | 93.0°F (1954) | 42.1°F (1984) | 2.50 in (1956) |
| September 7 | 93.9°F (1954) | 44.1°F (1968) | 2.90 in (1987) |
| September 8 | 91.9°F (1954) | 39.9°F (1951) | 10.00 in (2004) |
| September 9 | 89.1°F (1954) | 39.9°F (1956) | 1.95 in (1950) |
| September 10 | 88.0°F (1954) | 37.0°F (1998) | 1.05 in (1997) |
| September 11 | 90.0°F (2002) | 39.9°F (1998) | 1.83 in (2008) |
| September 12 | 86.0°F (1951) | 41.0°F (1976) | 1.05 in (1952) |
| September 13 | 90.0°F (1998) | 39.0°F (1968) | 2.00 in (1979) |
| September 14 | 90.0°F (1998) | 35.1°F (1953) | 1.72 in (1978) |
| September 15 | 89.1°F (1998) | 37.0°F (1985) | 2.10 in (2007) |
| September 16 | 88.0°F (1958) | 35.1°F (1961) | 1.00 in (1962) |
| September 17 | 88.0°F (1956) | 37.9°F (1961) | 5.69 in (2004) |
| September 18 | 88.0°F (1954) | 39.0°F (1999) | 2.19 in (1975) |
| September 19 | 90.0°F (1954) | 37.9°F (1984) | 1.05 in (1961) |
| September 20 | 89.1°F (1954) | 39.9°F (1984) | 3.42 in (1953) |
| September 21 | 90.0°F (1970) | 39.0°F (1962) | 1.35 in (2009) |
| September 22 | 89.1°F (1970) | 37.9°F (1983) | 2.00 in (1979) |
| September 23 | 88.0°F (1955) | 28.0°F (1983) | 1.85 in (2003) |
| September 24 | 89.1°F (1980) | 30.0°F (1981) | 3.14 in (1975) |
| September 25 | 87.1°F (1970) | 34.0°F (1982) | 1.67 in (1997) |
| September 26 | 87.1°F (1970) | 37.0°F (1981) | 2.40 in (1956) |
| September 27 | 84.9°F (1958) | 34.0°F (1983) | 1.75 in (2008) |
| September 28 | 84.0°F (1986) | 34.0°F (1983) | 3.40 in (2004) |
| September 29 | 88.0°F (1998) | 35.1°F (1970) | 3.35 in (1964) |
| September 30 | 88.0°F (1953) | 34.0°F (2001) | 5.40 in (1959) |