September weather in Philipsburg, MT
The average temperature in Philipsburg in September is 53.4°F (35.5°F–71.2°F). Average precipitation: 1.44 inches.
September is a fall month in Philipsburg, and is warmer than the annual average of 42°F. Daily temperatures swing about 35.7°F between overnight low and afternoon high. Daylight averages about 12h 19m. For travel, September is cool.
Avg High
71.2°F
Avg Low
35.5°F
Precipitation
1.44 in
Daylight
12h 19m
September records in Philipsburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1967) | 25.0°F (1981) | 0.53 in (1961) |
| September 2 | 91.0°F (1967) | 26.1°F (1973) | 0.50 in (1983) |
| September 3 | 95.0°F (2022) | 25.0°F (1956) | 0.47 in (2024) |
| September 4 | 91.9°F (1998) | 23.0°F (1969) | 0.34 in (1965) |
| September 5 | 91.9°F (1967) | 21.9°F (1969) | 0.64 in (2007) |
| September 6 | 91.0°F (2022) | 25.0°F (1969) | 0.83 in (2001) |
| September 7 | 91.9°F (2022) | 21.9°F (1992) | 0.56 in (1985) |
| September 8 | 90.0°F (2022) | 21.9°F (1960) | 1.50 in (1973) |
| September 9 | 88.0°F (1981) | 19.9°F (1959) | 0.98 in (2010) |
| September 10 | 87.1°F (1966) | 21.0°F (1959) | 0.76 in (1998) |
| September 11 | 88.0°F (1958) | 21.0°F (1989) | 0.95 in (1988) |
| September 12 | 87.1°F (1963) | 17.1°F (2014) | 0.95 in (1985) |
| September 13 | 88.0°F (2015) | 15.1°F (1970) | 0.22 in (1962) |
| September 14 | 87.1°F (2000) | 16.0°F (1970) | 0.35 in (1991) |
| September 15 | 91.0°F (2000) | 16.0°F (1970) | 0.55 in (2017) |
| September 16 | 93.0°F (2000) | 19.9°F (1970) | 0.33 in (1996) |
| September 17 | 90.0°F (1981) | 5.0°F (1965) | 0.52 in (1977) |
| September 18 | 90.0°F (1981) | 12.9°F (1965) | 0.62 in (1988) |
| September 19 | 87.1°F (1981) | 15.1°F (1957) | 0.75 in (1972) |
| September 20 | 84.0°F (2009) | 8.1°F (1983) | 0.95 in (1968) |
| September 21 | 84.9°F (1967) | 16.0°F (1971) | 0.64 in (1959) |
| September 22 | 84.9°F (1966) | 18.0°F (1960) | 0.33 in (1965) |
| September 23 | 86.0°F (1987) | 14.0°F (2000) | 0.71 in (2005) |
| September 24 | 87.1°F (1987) | 16.0°F (1961) | 0.50 in (1992) |
| September 25 | 88.0°F (2014) | 18.0°F (1970) | 0.60 in (1981) |
| September 26 | 88.0°F (2014) | 17.1°F (1972) | 0.35 in (2013) |
| September 27 | 84.0°F (1963) | 18.0°F (1961) | 0.59 in (1971) |
| September 28 | 84.9°F (1967) | 12.9°F (1984) | 0.48 in (1981) |
| September 29 | 93.0°F (1967) | 15.1°F (1985) | 0.31 in (1977) |
| September 30 | 84.0°F (1967) | 15.1°F (1985) | 0.60 in (1977) |