September weather in Mount Pleasant, UT
The average temperature in Mount Pleasant in September is 60.5°F (41.9°F–79.1°F). Average precipitation: 1.02 inches.
September is a fall month in Mount Pleasant, and is warmer than the annual average of 47.5°F. Daily temperatures swing about 37.2°F between overnight low and afternoon high. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
79.1°F
Avg Low
41.9°F
Precipitation
1.02 in
Daylight
12h 15m
September records in Mount Pleasant
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (1950) | 34.0°F (1962) | 0.49 in (1909) |
| September 2 | 98.1°F (1950) | 33.1°F (1973) | 0.40 in (1913) |
| September 3 | 97.0°F (1933) | 28.0°F (1961) | 0.93 in (1910) |
| September 4 | 99.0°F (1934) | 32.0°F (1964) | 0.24 in (1954) |
| September 5 | 97.0°F (1950) | 32.0°F (1926) | 0.65 in (1981) |
| September 6 | 97.0°F (1979) | 34.0°F (1964) | 0.83 in (1939) |
| September 7 | 98.1°F (2022) | 33.1°F (2010) | 0.90 in (1929) |
| September 8 | 93.0°F (1931) | 30.9°F (1941) | 0.67 in (1980) |
| September 9 | 93.0°F (2021) | 24.1°F (1962) | 0.68 in (1912) |
| September 10 | 91.0°F (1943) | 25.0°F (1962) | 0.40 in (1917) |
| September 11 | 91.9°F (1943) | 28.0°F (1947) | 0.59 in (1997) |
| September 12 | 93.9°F (1937) | 26.1°F (1974) | 0.69 in (1988) |
| September 13 | 93.9°F (1948) | 3.0°F (2009) | 0.50 in (1982) |
| September 14 | 93.0°F (1943) | 27.0°F (1993) | 0.73 in (2006) |
| September 15 | 95.0°F (1943) | 27.0°F (1947) | 0.90 in (2017) |
| September 16 | 91.9°F (1934) | 27.0°F (1970) | 0.47 in (2002) |
| September 17 | 91.9°F (1943) | 26.1°F (1947) | 0.78 in (1965) |
| September 18 | 93.0°F (1935) | 15.1°F (1965) | 0.74 in (1997) |
| September 19 | 93.0°F (1935) | 21.9°F (1971) | 0.69 in (1972) |
| September 20 | 90.0°F (1935) | 18.0°F (1965) | 0.62 in (1989) |
| September 21 | 89.1°F (1943) | 21.0°F (1965) | 0.59 in (1967) |
| September 22 | 91.0°F (1966) | 21.0°F (1968) | 0.64 in (2007) |
| September 23 | 91.9°F (1943) | 21.9°F (1965) | 0.58 in (2000) |
| September 24 | 89.1°F (1949) | 25.0°F (1956) | 1.25 in (1908) |
| September 25 | 88.0°F (1928) | 21.0°F (1926) | 0.51 in (1955) |
| September 26 | 89.1°F (1963) | 21.9°F (1970) | 0.85 in (2014) |
| September 27 | 90.0°F (1963) | 21.9°F (1971) | 0.42 in (1982) |
| September 28 | 90.0°F (1933) | 24.1°F (1974) | 0.62 in (1939) |
| September 29 | 91.0°F (1933) | 15.1°F (1985) | 1.15 in (1982) |
| September 30 | 88.0°F (1963) | 17.1°F (1985) | 0.54 in (1982) |