September weather in Geraldine, MT
The average temperature in Geraldine in September is 60.1°F (45.0°F–75.2°F). Average precipitation: 1.49 inches.
September is a fall month in Geraldine, and is warmer than the annual average of 46.9°F. Daily temperatures swing about 30.2°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
75.2°F
Avg Low
45.0°F
Precipitation
1.49 in
Daylight
12h 19m
September records in Geraldine
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1983) | 34.0°F (1972) | 0.84 in (1973) |
| September 2 | 97.0°F (1998) | 26.1°F (1974) | 0.63 in (1953) |
| September 3 | 95.0°F (1978) | 30.0°F (1974) | 0.58 in (1999) |
| September 4 | 97.0°F (2001) | 27.0°F (1962) | 0.30 in (1965) |
| September 5 | 98.1°F (1967) | 30.9°F (1956) | 0.86 in (1990) |
| September 6 | 97.0°F (1988) | 28.9°F (1956) | 0.62 in (2001) |
| September 7 | 97.0°F (1998) | 30.0°F (1969) | 0.40 in (1985) |
| September 8 | 95.0°F (1979) | 28.0°F (1960) | 0.34 in (1977) |
| September 9 | 93.0°F (1981) | 18.0°F (1962) | 0.92 in (1983) |
| September 10 | 93.0°F (1968) | 30.9°F (1959) | 0.23 in (1974) |
| September 11 | 93.9°F (1981) | 21.9°F (1989) | 0.90 in (1988) |
| September 12 | 91.9°F (1953) | 23.0°F (1964) | 1.72 in (1978) |
| September 13 | 95.0°F (1959) | 25.0°F (1974) | 0.38 in (1967) |
| September 14 | 87.1°F (1998) | 19.0°F (1970) | 0.36 in (1973) |
| September 15 | 96.1°F (2000) | 27.0°F (1969) | 0.70 in (2006) |
| September 16 | 93.0°F (1979) | 24.1°F (1969) | 0.82 in (1954) |
| September 17 | 95.0°F (1998) | 25.0°F (1973) | 1.13 in (2005) |
| September 18 | 93.9°F (1981) | 19.9°F (1965) | 1.93 in (1988) |
| September 19 | 93.0°F (1981) | 26.1°F (1964) | 0.47 in (1968) |
| September 20 | 84.9°F (1991) | 25.0°F (1975) | 1.05 in (1968) |
| September 21 | 90.0°F (1967) | 17.1°F (1995) | 0.38 in (1956) |
| September 22 | 89.1°F (1987) | 21.9°F (1960) | 0.36 in (1985) |
| September 23 | 91.9°F (1992) | 26.1°F (2000) | 0.28 in (2005) |
| September 24 | 91.9°F (2001) | 24.1°F (1955) | 0.28 in (2005) |
| September 25 | 96.1°F (2001) | 21.9°F (1984) | 0.62 in (1981) |
| September 26 | 91.9°F (2011) | 18.0°F (1972) | 0.55 in (1961) |
| September 27 | 91.0°F (1963) | 21.0°F (1961) | 1.42 in (1982) |
| September 28 | 88.0°F (1967) | 19.9°F (1984) | 0.96 in (1954) |
| September 29 | 91.9°F (1967) | 18.0°F (1985) | 0.27 in (1983) |
| September 30 | 91.0°F (1963) | 18.0°F (1985) | 0.38 in (1977) |