September weather in Mendenhall, MS
The average temperature in Mendenhall in September is 78.7°F (66.8°F–90.6°F). Average precipitation: 3.36 inches.
September is a fall month in Mendenhall, and is warmer than the annual average of 67.5°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 11m. For travel, September is hot.
Avg High
90.6°F
Avg Low
66.8°F
Precipitation
3.36 in
Daylight
12h 11m
September records in Mendenhall
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (2000) | 52.0°F (1954) | 1.90 in (1998) |
| September 2 | 100.9°F (2000) | 48.9°F (1954) | 2.28 in (2001) |
| September 3 | 102.0°F (2000) | 52.0°F (1967) | 2.17 in (2014) |
| September 4 | 100.9°F (2000) | 50.0°F (1974) | 2.35 in (1988) |
| September 5 | 102.9°F (2000) | 51.1°F (1974) | 5.45 in (2011) |
| September 6 | 100.0°F (1954) | 53.1°F (1984) | 1.78 in (1977) |
| September 7 | 100.0°F (1954) | 46.9°F (1988) | 2.35 in (1943) |
| September 8 | 99.0°F (1954) | 48.0°F (1988) | 1.51 in (1985) |
| September 9 | 98.1°F (1954) | 51.1°F (2011) | 1.30 in (1949) |
| September 10 | 100.9°F (2013) | 48.0°F (1956) | 1.94 in (1959) |
| September 11 | 99.0°F (1980) | 45.0°F (1956) | 3.17 in (1965) |
| September 12 | 99.0°F (2013) | 46.0°F (1969) | 1.89 in (1965) |
| September 13 | 100.0°F (2013) | 46.9°F (1954) | 1.77 in (1988) |
| September 14 | 99.0°F (1962) | 44.1°F (1964) | 1.44 in (1948) |
| September 15 | 98.1°F (1954) | 45.0°F (2015) | 1.16 in (1989) |
| September 16 | 100.9°F (1980) | 46.9°F (1961) | 0.83 in (1968) |
| September 17 | 99.0°F (1920) | 46.9°F (1961) | 5.33 in (1971) |
| September 18 | 99.0°F (2013) | 45.0°F (1981) | 2.40 in (1958) |
| September 19 | 97.0°F (2010) | 39.0°F (1981) | 1.19 in (1957) |
| September 20 | 96.1°F (1954) | 39.9°F (1981) | 2.22 in (1947) |
| September 21 | 98.1°F (1955) | 42.1°F (1981) | 4.07 in (2013) |
| September 22 | 96.1°F (1980) | 37.0°F (1983) | 2.68 in (1995) |
| September 23 | 97.0°F (1993) | 37.9°F (1982) | 0.72 in (1946) |
| September 24 | 96.1°F (1980) | 39.0°F (1999) | 3.12 in (1940) |
| September 25 | 96.1°F (1993) | 42.1°F (1990) | 2.18 in (1991) |
| September 26 | 93.9°F (1961) | 41.0°F (1975) | 4.17 in (2002) |
| September 27 | 97.0°F (1955) | 41.0°F (2001) | 3.49 in (1957) |
| September 28 | 95.0°F (1954) | 39.9°F (1975) | 1.29 in (1957) |
| September 29 | 95.0°F (1954) | 33.1°F (1967) | 2.80 in (1999) |
| September 30 | 95.0°F (1986) | 34.0°F (1967) | 1.06 in (1989) |