September weather in Opheim, MT
The average temperature in Opheim in September is 54.6°F (38.8°F–70.4°F). Average precipitation: 1.39 inches. Average snowfall is 0.2 inches.
September is a fall month in Opheim, and is warmer than the annual average of 39.1°F. Daily temperatures swing about 31.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 20m. For travel, September is a comfortable month to visit.
Avg High
70.4°F
Avg Low
38.8°F
Precipitation
1.39 in
Snow
0.2 in
September records in Opheim
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1983) | 27.0°F (1972) | 1.50 in (2010) |
| September 2 | 93.9°F (1983) | 19.9°F (1974) | 0.96 in (1961) |
| September 3 | 98.1°F (1978) | 24.1°F (1959) | 0.50 in (1999) |
| September 4 | 96.1°F (1978) | 30.9°F (1991) | 1.29 in (1965) |
| September 5 | 95.0°F (1967) | 24.1°F (1965) | 1.01 in (1986) |
| September 6 | 93.9°F (1980) | 28.9°F (1993) | 0.50 in (2002) |
| September 7 | 96.1°F (2022) | 26.1°F (1965) | 2.00 in (2013) |
| September 8 | 91.9°F (1981) | 16.0°F (2020) | 1.44 in (2002) |
| September 9 | 91.9°F (1981) | 21.0°F (1962) | 0.75 in (1986) |
| September 10 | 91.0°F (1998) | 21.0°F (1965) | 1.64 in (2005) |
| September 11 | 91.0°F (1971) | 21.0°F (1964) | 0.83 in (1978) |
| September 12 | 90.0°F (1969) | 19.0°F (1964) | 0.71 in (1967) |
| September 13 | 90.0°F (1969) | 12.0°F (1970) | 0.52 in (1967) |
| September 14 | 88.0°F (1990) | 18.0°F (2007) | 0.55 in (1967) |
| September 15 | 88.0°F (1998) | 21.9°F (1999) | 0.71 in (2011) |
| September 16 | 93.0°F (1998) | 14.0°F (1973) | 0.45 in (1977) |
| September 17 | 93.0°F (1998) | 21.0°F (1965) | 0.65 in (2002) |
| September 18 | 89.1°F (1981) | 12.9°F (1991) | 1.50 in (1996) |
| September 19 | 91.9°F (2009) | 9.0°F (1991) | 1.00 in (1980) |
| September 20 | 89.1°F (2009) | 21.0°F (1983) | 0.87 in (2018) |
| September 21 | 88.0°F (2009) | 1.9°F (1995) | 1.19 in (1993) |
| September 22 | 84.9°F (1987) | 18.0°F (1960) | 0.75 in (1959) |
| September 23 | 89.1°F (1992) | 21.0°F (1961) | 1.30 in (1977) |
| September 24 | 87.1°F (1992) | 19.9°F (1984) | 0.33 in (1966) |
| September 25 | 90.0°F (2024) | 15.1°F (1984) | 1.18 in (1986) |
| September 26 | 90.0°F (1963) | 24.1°F (1980) | 0.40 in (1964) |
| September 27 | 89.1°F (2017) | 19.0°F (1988) | 0.51 in (1982) |
| September 28 | 87.1°F (2021) | 17.1°F (2018) | 0.28 in (1982) |
| September 29 | 86.0°F (1967) | 19.0°F (1984) | 0.41 in (2019) |
| September 30 | 90.0°F (1963) | 9.0°F (1961) | 0.48 in (1977) |