September weather in Broadus, MT
The average temperature in Broadus in September is 62.4°F (45.8°F–79.0°F). Average precipitation: 1.23 inches.
September is a fall month in Broadus, and is warmer than the annual average of 48.2°F. Daily temperatures swing about 33.2°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
79.0°F
Avg Low
45.8°F
Precipitation
1.23 in
Daylight
12h 18m
September records in Broadus
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1983) | 30.9°F (1965) | 0.62 in (1986) |
| September 2 | 100.0°F (2015) | 32.0°F (1974) | 1.32 in (1966) |
| September 3 | 100.0°F (1978) | 30.0°F (1961) | 0.93 in (1963) |
| September 4 | 104.0°F (1960) | 24.1°F (1962) | 1.25 in (1954) |
| September 5 | 102.9°F (1978) | 28.9°F (1965) | 0.67 in (1938) |
| September 6 | 104.0°F (1976) | 28.0°F (1956) | 0.29 in (1945) |
| September 7 | 106.0°F (2022) | 30.0°F (1986) | 0.68 in (1941) |
| September 8 | 105.1°F (2022) | 30.9°F (1962) | 0.65 in (1946) |
| September 9 | 100.9°F (2022) | 26.1°F (2020) | 0.53 in (1937) |
| September 10 | 97.0°F (2021) | 28.0°F (1940) | 1.22 in (2003) |
| September 11 | 95.0°F (1959) | 19.9°F (1989) | 1.80 in (2019) |
| September 12 | 100.9°F (1990) | 21.0°F (1989) | 0.80 in (2019) |
| September 13 | 97.0°F (1959) | 28.0°F (1950) | 1.08 in (1967) |
| September 14 | 100.0°F (1948) | 21.9°F (1993) | 0.75 in (1967) |
| September 15 | 99.0°F (1948) | 26.1°F (1947) | 3.00 in (2017) |
| September 16 | 95.0°F (1979) | 28.0°F (1943) | 0.83 in (1945) |
| September 17 | 97.0°F (1989) | 24.1°F (1965) | 0.46 in (1942) |
| September 18 | 96.1°F (2021) | 23.0°F (1971) | 1.30 in (1967) |
| September 19 | 96.1°F (1937) | 21.9°F (1991) | 0.69 in (1985) |
| September 20 | 93.0°F (1922) | 21.9°F (1965) | 0.70 in (1951) |
| September 21 | 95.0°F (1922) | 21.0°F (1995) | 0.67 in (1977) |
| September 22 | 91.9°F (1922) | 21.9°F (1995) | 0.76 in (2006) |
| September 23 | 98.1°F (1992) | 23.0°F (1965) | 1.17 in (2008) |
| September 24 | 95.0°F (1992) | 25.0°F (2000) | 1.57 in (1986) |
| September 25 | 96.1°F (2024) | 16.0°F (1984) | 0.55 in (1959) |
| September 26 | 98.1°F (2024) | 17.1°F (1942) | 0.45 in (1982) |
| September 27 | 95.0°F (2024) | 24.1°F (1951) | 0.58 in (2013) |
| September 28 | 96.1°F (2021) | 21.9°F (1941) | 2.15 in (1923) |
| September 29 | 98.1°F (2024) | 21.0°F (1984) | 0.68 in (1923) |
| September 30 | 97.0°F (1989) | 21.0°F (1961) | 1.19 in (1977) |