September weather in Judith Gap, MT
The average temperature in Judith Gap in September is 54.4°F (40.2°F–68.6°F). Average precipitation: 1.36 inches. Average snowfall is 0.2 inches.
September is a fall month in Judith Gap, and is warmer than the annual average of 41.6°F. Daily temperatures swing about 28.4°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 19m. For travel, September is a comfortable month to visit.
Avg High
68.6°F
Avg Low
40.2°F
Precipitation
1.36 in
Snow
0.2 in
September records in Judith Gap
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2016) | 28.9°F (2005) | 0.91 in (1973) |
| September 2 | 93.0°F (2007) | 28.9°F (2005) | 0.45 in (1975) |
| September 3 | 93.9°F (2007) | 33.1°F (2004) | 0.36 in (1951) |
| September 4 | 96.1°F (2022) | 34.0°F (2004) | 0.30 in (2016) |
| September 5 | 91.0°F (2003) | 35.1°F (2014) | 0.80 in (2016) |
| September 6 | 89.1°F (2013) | 33.1°F (2005) | 0.80 in (2001) |
| September 7 | 91.0°F (2009) | 30.9°F (2005) | 0.51 in (2019) |
| September 8 | 98.1°F (2022) | 33.1°F (2015) | 1.55 in (1970) |
| September 9 | 86.0°F (2012) | 35.1°F (2010) | 0.96 in (1995) |
| September 10 | 90.0°F (2017) | 32.0°F (2007) | 0.45 in (1961) |
| September 11 | 84.9°F (2017) | 30.0°F (2014) | 0.60 in (1980) |
| September 12 | 89.1°F (2017) | 23.0°F (2014) | 1.28 in (1978) |
| September 13 | 87.1°F (2015) | 23.0°F (2014) | 1.10 in (1967) |
| September 14 | 84.9°F (2009) | 30.9°F (2014) | 0.98 in (1973) |
| September 15 | 93.9°F (2000) | 30.0°F (2007) | 0.80 in (2017) |
| September 16 | 91.9°F (2000) | 28.9°F (2006) | 0.57 in (1959) |
| September 17 | 90.0°F (2009) | 28.0°F (2021) | 0.98 in (1996) |
| September 18 | 89.1°F (2009) | 24.1°F (2003) | 0.97 in (1976) |
| September 19 | 88.0°F (2009) | 35.1°F (2006) | 0.69 in (1998) |
| September 20 | 89.1°F (2009) | 28.0°F (2000) | 0.70 in (1968) |
| September 21 | 80.1°F (2005) | 30.0°F (2000) | 1.50 in (2019) |
| September 22 | 82.0°F (2013) | 19.9°F (2000) | 1.13 in (2006) |
| September 23 | 81.0°F (2009) | 15.1°F (2000) | 0.29 in (1984) |
| September 24 | 89.1°F (2001) | 15.1°F (2000) | 0.65 in (2005) |
| September 25 | 90.0°F (2001) | 23.0°F (1970) | 0.30 in (1981) |
| September 26 | 90.0°F (2015) | 28.9°F (1970) | 0.57 in (2013) |
| September 27 | 87.1°F (2015) | 27.0°F (2007) | 1.45 in (2002) |
| September 28 | 86.0°F (2022) | 26.1°F (2005) | 0.64 in (2019) |
| September 29 | 82.9°F (2009) | 26.1°F (2019) | 0.24 in (2019) |
| September 30 | 81.0°F (2016) | 18.0°F (2019) | 0.77 in (1977) |