September weather in Belt, MT
The average temperature in Belt in September is 57.8°F (43.4°F–72.2°F). Average precipitation: 2.09 inches.
September is a fall month in Belt, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 28.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
72.2°F
Avg Low
43.4°F
Precipitation
2.09 in
Daylight
12h 19m
September records in Belt
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (1983) | 33.1°F (2006) | 0.95 in (1971) |
| September 2 | 93.9°F (1998) | 32.0°F (1974) | 0.48 in (1975) |
| September 3 | 93.0°F (2001) | 32.0°F (1974) | 0.89 in (1999) |
| September 4 | 93.9°F (1998) | 33.1°F (1975) | 0.38 in (1993) |
| September 5 | 93.0°F (1976) | 34.0°F (1975) | 0.85 in (1996) |
| September 6 | 96.1°F (1980) | 28.9°F (1992) | 1.08 in (2001) |
| September 7 | 93.9°F (1998) | 28.0°F (1986) | 0.96 in (2001) |
| September 8 | 96.1°F (1979) | 30.9°F (2008) | 0.75 in (1977) |
| September 9 | 91.0°F (2012) | 32.0°F (1992) | 0.90 in (1986) |
| September 10 | 87.1°F (2012) | 32.0°F (1970) | 0.64 in (1988) |
| September 11 | 91.0°F (1981) | 23.0°F (1989) | 1.01 in (1978) |
| September 12 | 88.0°F (1981) | 23.0°F (1970) | 1.97 in (1978) |
| September 13 | 84.9°F (1987) | 24.1°F (1970) | 0.55 in (2008) |
| September 14 | 84.9°F (2000) | 21.0°F (1970) | 0.79 in (1991) |
| September 15 | 93.0°F (2000) | 23.0°F (1970) | 0.72 in (2006) |
| September 16 | 91.0°F (1998) | 23.0°F (1973) | 0.99 in (2006) |
| September 17 | 89.1°F (1981) | 27.0°F (1978) | 1.58 in (1996) |
| September 18 | 93.0°F (1981) | 26.1°F (1971) | 0.91 in (1988) |
| September 19 | 89.1°F (1981) | 24.1°F (1983) | 0.48 in (2004) |
| September 20 | 84.0°F (2008) | 19.9°F (1983) | 0.46 in (1971) |
| September 21 | 84.9°F (1979) | 17.1°F (1995) | 0.33 in (2000) |
| September 22 | 88.0°F (2009) | 21.9°F (2000) | 0.85 in (2006) |
| September 23 | 90.0°F (2009) | 16.0°F (2000) | 0.75 in (2007) |
| September 24 | 88.0°F (2011) | 21.0°F (1984) | 0.44 in (2007) |
| September 25 | 91.9°F (2001) | 24.1°F (1972) | 0.57 in (1981) |
| September 26 | 84.0°F (1995) | 26.1°F (1972) | 0.64 in (1999) |
| September 27 | 84.9°F (1978) | 25.0°F (1972) | 1.26 in (1982) |
| September 28 | 82.9°F (2010) | 17.1°F (1984) | 0.11 in (1977) |
| September 29 | 82.9°F (1970) | 16.0°F (1985) | 0.97 in (2009) |
| September 30 | 90.0°F (1992) | 19.0°F (1985) | 1.01 in (1977) |