September weather in Lodge Grass, MT
The average temperature in Lodge Grass in September is 58.9°F (40.2°F–77.6°F). Average precipitation: 1.41 inches.
September is a fall month in Lodge Grass, and is warmer than the annual average of 46°F. Daily temperatures swing about 37.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
77.6°F
Avg Low
40.2°F
Precipitation
1.41 in
Daylight
12h 18m
September records in Lodge Grass
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1940) | 30.9°F (2006) | 0.81 in (1973) |
| September 2 | 100.0°F (1967) | 30.0°F (2006) | 0.84 in (1973) |
| September 3 | 100.0°F (1950) | 28.9°F (1961) | 1.17 in (1949) |
| September 4 | 102.0°F (1950) | 26.1°F (1980) | 0.39 in (1999) |
| September 5 | 99.0°F (1931) | 28.0°F (1994) | 0.32 in (1946) |
| September 6 | 95.0°F (1931) | 30.0°F (1983) | 0.48 in (1992) |
| September 7 | 96.1°F (1931) | 27.0°F (1984) | 1.91 in (1941) |
| September 8 | 98.1°F (1932) | 27.0°F (1984) | 0.88 in (1973) |
| September 9 | 96.1°F (1994) | 10.0°F (1941) | 0.57 in (1995) |
| September 10 | 95.0°F (1966) | 28.0°F (1992) | 0.76 in (1932) |
| September 11 | 100.9°F (1959) | 21.9°F (1989) | 0.83 in (1988) |
| September 12 | 95.0°F (1990) | 27.0°F (1989) | 1.08 in (1967) |
| September 13 | 99.0°F (1959) | 25.0°F (1989) | 0.78 in (1982) |
| September 14 | 100.9°F (1948) | 21.9°F (1979) | 0.94 in (1982) |
| September 15 | 95.0°F (1948) | 24.1°F (1970) | 0.62 in (1994) |
| September 16 | 90.0°F (1922) | 26.1°F (1951) | 0.63 in (1945) |
| September 17 | 93.0°F (1933) | 21.0°F (1965) | 1.54 in (1923) |
| September 18 | 91.0°F (1937) | 21.9°F (1965) | 1.18 in (1978) |
| September 19 | 98.1°F (1937) | 21.9°F (1965) | 1.05 in (1961) |
| September 20 | 93.9°F (1937) | 18.0°F (1978) | 1.05 in (1951) |
| September 21 | 95.0°F (1922) | 19.9°F (1983) | 0.78 in (1961) |
| September 22 | 91.9°F (1954) | 23.0°F (1994) | 0.46 in (1946) |
| September 23 | 95.0°F (1992) | 21.9°F (1934) | 0.90 in (1951) |
| September 24 | 91.9°F (1949) | 19.9°F (1972) | 0.95 in (1970) |
| September 25 | 90.0°F (1963) | 19.0°F (1934) | 0.65 in (1923) |
| September 26 | 91.9°F (1952) | 18.0°F (1972) | 0.71 in (1976) |
| September 27 | 91.0°F (1922) | 19.9°F (1951) | 1.25 in (1941) |
| September 28 | 91.0°F (1967) | 18.0°F (1945) | 1.40 in (1923) |
| September 29 | 91.0°F (1989) | 15.1°F (1984) | 2.00 in (1923) |
| September 30 | 93.0°F (1963) | 15.1°F (1985) | 0.80 in (1923) |