September weather in Hot Springs, MT
The average temperature in Hot Springs in September is 57.2°F (43.1°F–71.4°F). Average precipitation: 1.14 inches.
September is a fall month in Hot Springs, and is warmer than the annual average of 45.2°F. Daily temperatures swing about 28.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
71.4°F
Avg Low
43.1°F
Precipitation
1.14 in
Daylight
12h 19m
September records in Hot Springs
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1967) | 36.0°F (2006) | 0.55 in (1964) |
| September 2 | 95.0°F (1998) | 30.0°F (2015) | 1.02 in (2000) |
| September 3 | 93.0°F (1998) | 35.1°F (1962) | 0.24 in (1968) |
| September 4 | 93.0°F (1998) | 34.0°F (2015) | 0.80 in (1994) |
| September 5 | 91.9°F (1998) | 28.9°F (2015) | 0.50 in (1996) |
| September 6 | 91.0°F (1962) | 35.1°F (1954) | 0.86 in (1985) |
| September 7 | 90.0°F (1990) | 34.0°F (2016) | 0.45 in (1978) |
| September 8 | 89.1°F (2022) | 34.0°F (1962) | 0.64 in (1978) |
| September 9 | 91.0°F (1981) | 33.1°F (1962) | 2.20 in (2019) |
| September 10 | 91.0°F (1981) | 30.0°F (2016) | 0.73 in (1995) |
| September 11 | 87.1°F (1969) | 33.1°F (1989) | 0.75 in (1951) |
| September 12 | 90.0°F (1953) | 28.9°F (2014) | 1.03 in (1985) |
| September 13 | 88.0°F (1953) | 26.1°F (2017) | 0.34 in (1963) |
| September 14 | 84.9°F (1998) | 25.0°F (1970) | 0.39 in (2006) |
| September 15 | 89.1°F (1998) | 27.0°F (1970) | 1.55 in (1959) |
| September 16 | 88.0°F (1998) | 30.0°F (1965) | 0.72 in (2006) |
| September 17 | 86.0°F (2009) | 27.0°F (1965) | 0.66 in (1977) |
| September 18 | 87.1°F (1984) | 32.0°F (1965) | 0.76 in (1989) |
| September 19 | 88.0°F (1984) | 30.0°F (1964) | 0.44 in (1972) |
| September 20 | 84.9°F (1967) | 25.0°F (1983) | 0.59 in (2006) |
| September 21 | 89.1°F (1967) | 28.0°F (1971) | 0.79 in (2008) |
| September 22 | 82.9°F (1999) | 28.9°F (1993) | 1.50 in (2022) |
| September 23 | 84.9°F (1999) | 23.0°F (2000) | 0.88 in (2007) |
| September 24 | 88.0°F (2014) | 27.0°F (2000) | 0.28 in (1992) |
| September 25 | 86.0°F (2014) | 28.0°F (1970) | 0.44 in (1998) |
| September 26 | 89.1°F (1952) | 28.9°F (1972) | 0.47 in (1959) |
| September 27 | 88.0°F (1952) | 28.9°F (1972) | 0.50 in (1959) |
| September 28 | 88.0°F (1957) | 24.1°F (1984) | 0.76 in (1954) |
| September 29 | 81.0°F (1967) | 21.9°F (1985) | 0.55 in (1977) |
| September 30 | 84.0°F (1963) | 25.0°F (1953) | 0.31 in (2014) |