September weather in Marriott-Slaterville, UT
The average temperature in Marriott-Slaterville in September is 65.8°F (50.9°F–80.8°F). Average precipitation: 1.25 inches.
September is a fall month in Marriott-Slaterville, and is warmer than the annual average of 52.7°F. Daily temperatures swing about 29.9°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
80.8°F
Avg Low
50.9°F
Precipitation
1.25 in
Daylight
12h 16m
September records in Marriott-Slaterville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1995) | 41.0°F (1926) | 1.01 in (2008) |
| September 2 | 98.1°F (1995) | 39.0°F (1973) | 1.38 in (1929) |
| September 3 | 97.0°F (1950) | 37.9°F (1943) | 1.57 in (1940) |
| September 4 | 97.0°F (1976) | 37.9°F (1968) | 0.63 in (1930) |
| September 5 | 96.1°F (2006) | 39.0°F (2004) | 1.07 in (1965) |
| September 6 | 96.1°F (1955) | 41.0°F (1948) | 0.75 in (1970) |
| September 7 | 96.1°F (1961) | 37.0°F (1945) | 1.00 in (2002) |
| September 8 | 93.9°F (1961) | 37.0°F (1945) | 0.28 in (1992) |
| September 9 | 93.9°F (1996) | 34.0°F (1962) | 1.22 in (1967) |
| September 10 | 93.9°F (1958) | 36.0°F (1945) | 0.43 in (1978) |
| September 11 | 95.0°F (1958) | 37.0°F (1931) | 0.33 in (1980) |
| September 12 | 96.1°F (1990) | 35.1°F (1949) | 0.89 in (1942) |
| September 13 | 96.1°F (1990) | 34.0°F (1967) | 0.73 in (1927) |
| September 14 | 96.1°F (1948) | 34.0°F (1993) | 0.64 in (1959) |
| September 15 | 97.0°F (1943) | 35.1°F (1936) | 1.30 in (2006) |
| September 16 | 97.0°F (2000) | 34.0°F (1936) | 0.60 in (2006) |
| September 17 | 91.9°F (1937) | 25.0°F (1996) | 0.81 in (1947) |
| September 18 | 93.0°F (1962) | 28.0°F (1965) | 2.59 in (1961) |
| September 19 | 91.0°F (1937) | 28.9°F (1965) | 0.77 in (1972) |
| September 20 | 90.0°F (1933) | 28.0°F (1965) | 0.50 in (1925) |
| September 21 | 89.1°F (2001) | 32.0°F (1978) | 0.76 in (1984) |
| September 22 | 90.0°F (1966) | 32.0°F (1970) | 0.54 in (1930) |
| September 23 | 91.9°F (1992) | 30.0°F (1946) | 0.56 in (1954) |
| September 24 | 95.0°F (2001) | 24.1°F (1926) | 0.92 in (1935) |
| September 25 | 95.0°F (2001) | 28.0°F (1970) | 1.45 in (1986) |
| September 26 | 90.0°F (2001) | 28.9°F (1970) | 2.00 in (1982) |
| September 27 | 95.0°F (2001) | 28.9°F (1934) | 1.57 in (1983) |
| September 28 | 95.0°F (2001) | 28.9°F (1971) | 0.71 in (1940) |
| September 29 | 90.0°F (1957) | 28.9°F (1985) | 0.73 in (1982) |
| September 30 | 90.0°F (2001) | 30.0°F (1945) | 1.71 in (1926) |