September weather in Ephraim, UT
The average temperature in Ephraim in September is 60.1°F (40.9°F–79.3°F). Average precipitation: 1.08 inches.
September is a fall month in Ephraim, and is warmer than the annual average of 46.9°F. Daily temperatures swing about 38.4°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
79.3°F
Avg Low
40.9°F
Precipitation
1.08 in
Daylight
12h 15m
September records in Ephraim
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (2022) | 32.0°F (2005) | 0.40 in (2008) |
| September 2 | 96.1°F (2022) | 30.0°F (2008) | 0.57 in (1954) |
| September 3 | 99.0°F (2022) | 33.1°F (2008) | 0.40 in (1971) |
| September 4 | 99.0°F (2022) | 34.0°F (1961) | 0.55 in (1990) |
| September 5 | 98.1°F (2020) | 28.0°F (2004) | 1.02 in (1981) |
| September 6 | 100.9°F (2022) | 32.0°F (2004) | 0.50 in (1998) |
| September 7 | 100.9°F (2022) | 34.0°F (2010) | 0.73 in (1980) |
| September 8 | 95.0°F (2022) | 33.1°F (2001) | 0.80 in (1961) |
| September 9 | 95.0°F (2021) | 26.1°F (1962) | 0.45 in (2014) |
| September 10 | 93.0°F (1990) | 30.9°F (1962) | 0.69 in (1978) |
| September 11 | 93.0°F (1990) | 27.0°F (2010) | 0.63 in (2002) |
| September 12 | 93.9°F (1990) | 28.0°F (1974) | 0.58 in (1958) |
| September 13 | 95.0°F (2000) | 30.0°F (1967) | 0.64 in (1982) |
| September 14 | 97.0°F (2000) | 27.0°F (1993) | 0.60 in (1966) |
| September 15 | 95.0°F (2000) | 27.0°F (2004) | 0.65 in (2009) |
| September 16 | 93.9°F (2000) | 30.9°F (1991) | 0.56 in (2002) |
| September 17 | 90.0°F (2014) | 21.0°F (1965) | 0.77 in (1965) |
| September 18 | 90.0°F (1956) | 16.0°F (1965) | 0.88 in (1963) |
| September 19 | 91.9°F (1956) | 24.1°F (1988) | 0.84 in (1972) |
| September 20 | 91.0°F (2010) | 26.1°F (1965) | 0.80 in (1989) |
| September 21 | 91.0°F (2001) | 24.1°F (2004) | 0.70 in (1961) |
| September 22 | 91.9°F (2001) | 18.0°F (2004) | 0.76 in (1967) |
| September 23 | 93.0°F (2001) | 25.0°F (1968) | 0.75 in (2016) |
| September 24 | 91.9°F (2001) | 28.0°F (2018) | 0.30 in (1990) |
| September 25 | 90.0°F (2024) | 21.9°F (1958) | 0.57 in (2012) |
| September 26 | 89.1°F (2001) | 27.0°F (1970) | 0.70 in (1982) |
| September 27 | 90.0°F (2024) | 21.9°F (1996) | 0.26 in (1982) |
| September 28 | 91.9°F (2024) | 19.9°F (1999) | 0.50 in (1982) |
| September 29 | 89.1°F (1992) | 21.9°F (1985) | 1.10 in (1982) |
| September 30 | 90.0°F (1992) | 21.9°F (2019) | 0.90 in (1994) |