September weather in Nephi, UT
The average temperature in Nephi in September is 64.1°F (50.2°F–77.9°F). Average precipitation: 0.95 inches.
September is a fall month in Nephi, and is warmer than the annual average of 50.5°F. Daily temperatures swing about 27.7°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
77.9°F
Avg Low
50.2°F
Precipitation
0.95 in
Daylight
12h 15m
September records in Nephi
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1950) | 39.0°F (1962) | 0.61 in (2012) |
| September 2 | 102.9°F (1950) | 37.0°F (1973) | 0.26 in (1983) |
| September 3 | 104.0°F (1950) | 35.1°F (1961) | 0.25 in (1954) |
| September 4 | 106.0°F (1950) | 37.9°F (1961) | 0.78 in (1954) |
| September 5 | 102.9°F (1950) | 39.0°F (1999) | 0.70 in (1970) |
| September 6 | 100.0°F (2022) | 36.0°F (2010) | 0.65 in (1970) |
| September 7 | 100.9°F (2022) | 41.0°F (2001) | 0.89 in (1991) |
| September 8 | 98.1°F (1955) | 36.0°F (2020) | 0.77 in (1954) |
| September 9 | 95.0°F (2021) | 32.0°F (1962) | 0.93 in (1961) |
| September 10 | 95.0°F (1990) | 37.0°F (1945) | 0.50 in (1980) |
| September 11 | 97.0°F (1959) | 36.0°F (1947) | 0.59 in (2019) |
| September 12 | 97.0°F (1990) | 34.0°F (1974) | 0.33 in (1958) |
| September 13 | 98.1°F (1990) | 34.0°F (1967) | 0.86 in (1982) |
| September 14 | 97.0°F (1990) | 30.0°F (1993) | 0.37 in (1966) |
| September 15 | 95.0°F (2000) | 33.1°F (1991) | 0.83 in (2017) |
| September 16 | 93.9°F (1952) | 34.0°F (1970) | 0.50 in (2002) |
| September 17 | 93.9°F (1952) | 30.0°F (1965) | 0.70 in (1947) |
| September 18 | 91.0°F (1952) | 23.0°F (1965) | 1.50 in (1978) |
| September 19 | 93.0°F (1962) | 25.0°F (1978) | 0.48 in (1997) |
| September 20 | 93.9°F (1952) | 26.1°F (1978) | 0.82 in (1989) |
| September 21 | 91.9°F (1953) | 26.1°F (1978) | 0.46 in (2014) |
| September 22 | 91.0°F (1953) | 27.0°F (1968) | 0.59 in (2016) |
| September 23 | 91.0°F (1943) | 27.0°F (1968) | 0.82 in (2000) |
| September 24 | 93.9°F (1966) | 28.9°F (1945) | 1.33 in (1908) |
| September 25 | 91.9°F (1947) | 27.0°F (1958) | 0.79 in (1986) |
| September 26 | 90.0°F (1947) | 28.0°F (1970) | 0.67 in (1954) |
| September 27 | 93.9°F (1952) | 30.9°F (1996) | 1.27 in (1982) |
| September 28 | 91.9°F (1952) | 28.0°F (1999) | 1.45 in (1982) |
| September 29 | 91.0°F (2024) | 25.0°F (1985) | 1.02 in (1982) |
| September 30 | 91.0°F (1957) | 26.1°F (1985) | 0.49 in (1905) |