September weather in Farmington, UT
The average temperature in Farmington in September is 65.6°F (52.6°F–78.6°F). Average precipitation: 1.25 inches.
September is a fall month in Farmington, and is warmer than the annual average of 52°F. Daily temperatures swing about 26°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 15m. For travel, September is one of the best months of the year to visit.
Avg High
78.6°F
Avg Low
52.6°F
Precipitation
1.25 in
Daylight
12h 15m
September records in Farmington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1995) | 42.1°F (1973) | 1.00 in (2008) |
| September 2 | 99.0°F (1995) | 39.9°F (1975) | 0.81 in (1973) |
| September 3 | 97.0°F (1995) | 39.9°F (1973) | 0.99 in (2012) |
| September 4 | 97.0°F (1998) | 39.0°F (1968) | 0.58 in (1992) |
| September 5 | 95.0°F (1967) | 41.0°F (1968) | 1.26 in (1970) |
| September 6 | 93.9°F (1977) | 42.1°F (1970) | 1.93 in (1970) |
| September 7 | 93.9°F (1977) | 43.0°F (2001) | 0.73 in (1991) |
| September 8 | 95.0°F (1979) | 37.9°F (1976) | 1.63 in (1991) |
| September 9 | 91.9°F (1966) | 37.9°F (1970) | 0.60 in (2014) |
| September 10 | 93.0°F (1966) | 39.0°F (1970) | 1.03 in (1982) |
| September 11 | 95.0°F (1990) | 42.1°F (1979) | 1.16 in (1978) |
| September 12 | 96.1°F (1990) | 36.0°F (1974) | 0.66 in (1982) |
| September 13 | 95.0°F (1963) | 37.0°F (1967) | 0.95 in (1982) |
| September 14 | 96.1°F (1990) | 37.0°F (1993) | 1.02 in (1963) |
| September 15 | 93.9°F (1990) | 34.0°F (1970) | 0.71 in (2006) |
| September 16 | 93.9°F (2000) | 35.1°F (1968) | 1.78 in (2006) |
| September 17 | 93.0°F (1998) | 36.0°F (1968) | 0.64 in (1996) |
| September 18 | 91.0°F (2014) | 32.0°F (1978) | 1.74 in (1978) |
| September 19 | 90.0°F (2010) | 33.1°F (1971) | 0.81 in (1990) |
| September 20 | 86.0°F (1979) | 30.0°F (1978) | 0.58 in (1997) |
| September 21 | 88.0°F (1967) | 30.0°F (1978) | 0.39 in (1984) |
| September 22 | 88.0°F (1966) | 32.0°F (1968) | 0.38 in (2014) |
| September 23 | 91.0°F (1992) | 30.0°F (1968) | 1.13 in (1973) |
| September 24 | 89.1°F (1994) | 32.0°F (2000) | 2.16 in (2007) |
| September 25 | 91.0°F (2001) | 28.0°F (1970) | 1.82 in (1986) |
| September 26 | 91.9°F (1966) | 30.0°F (1970) | 0.86 in (1982) |
| September 27 | 88.0°F (1969) | 30.0°F (1999) | 0.72 in (1982) |
| September 28 | 90.0°F (1994) | 28.9°F (1971) | 1.10 in (1982) |
| September 29 | 88.0°F (1969) | 32.0°F (1974) | 0.83 in (1995) |
| September 30 | 88.0°F (1963) | 32.0°F (1971) | 1.06 in (1971) |