September weather in Mount Pleasant, TN
The average temperature in Mount Pleasant in September is 71.4°F (59.2°F–83.7°F). Average precipitation: 5.34 inches.
September is a fall month in Mount Pleasant, and is warmer than the annual average of 59.4°F. Daily temperatures swing about 24.5°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a wet month.
Avg High
83.7°F
Avg Low
59.2°F
Precipitation
5.34 in
Daylight
12h 13m
September records in Mount Pleasant
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1999) | 48.0°F (1988) | 3.50 in (2017) |
| September 2 | 98.1°F (2000) | 48.0°F (1967) | 2.00 in (2024) |
| September 3 | 100.9°F (1954) | 46.9°F (1956) | 7.00 in (1996) |
| September 4 | 104.0°F (1954) | 48.0°F (1974) | 1.64 in (1981) |
| September 5 | 105.1°F (1954) | 44.1°F (1997) | 2.15 in (1970) |
| September 6 | 104.0°F (1954) | 46.0°F (1984) | 4.42 in (1977) |
| September 7 | 100.0°F (1990) | 41.0°F (1988) | 1.10 in (1961) |
| September 8 | 99.0°F (1955) | 41.0°F (1988) | 0.50 in (2001) |
| September 9 | 97.0°F (1955) | 44.1°F (1956) | 2.00 in (1974) |
| September 10 | 97.0°F (1980) | 43.0°F (1969) | 1.55 in (1970) |
| September 11 | 96.1°F (1953) | 42.1°F (1976) | 1.23 in (1975) |
| September 12 | 96.1°F (1962) | 42.1°F (1976) | 1.30 in (1983) |
| September 13 | 96.1°F (1962) | 42.1°F (1968) | 1.66 in (2020) |
| September 14 | 97.0°F (1954) | 39.9°F (1975) | 6.95 in (1979) |
| September 15 | 99.0°F (1980) | 39.9°F (1975) | 1.50 in (2000) |
| September 16 | 96.1°F (1956) | 37.9°F (1961) | 2.80 in (2004) |
| September 17 | 97.0°F (1980) | 41.0°F (1961) | 3.00 in (2004) |
| September 18 | 98.1°F (1953) | 39.0°F (1981) | 2.66 in (2009) |
| September 19 | 97.0°F (1954) | 39.0°F (1981) | 2.50 in (2002) |
| September 20 | 97.0°F (1955) | 39.0°F (1981) | 4.00 in (2002) |
| September 21 | 99.0°F (1955) | 37.0°F (1956) | 3.20 in (1958) |
| September 22 | 97.0°F (1955) | 35.1°F (1983) | 6.02 in (2003) |
| September 23 | 95.0°F (1980) | 35.1°F (1982) | 2.90 in (2018) |
| September 24 | 95.0°F (1961) | 34.0°F (1982) | 3.20 in (1997) |
| September 25 | 93.9°F (1961) | 34.0°F (1983) | 2.99 in (1997) |
| September 26 | 93.0°F (1958) | 39.9°F (1963) | 2.45 in (1977) |
| September 27 | 96.1°F (1954) | 39.0°F (2001) | 1.85 in (1996) |
| September 28 | 95.0°F (1954) | 37.9°F (2001) | 1.56 in (1967) |
| September 29 | 95.0°F (1953) | 33.1°F (1967) | 1.60 in (1999) |
| September 30 | 95.0°F (2019) | 37.0°F (1967) | 1.80 in (1989) |