September weather in Malta, MT
The average temperature in Malta in September is 60.0°F (45.5°F–74.4°F). Average precipitation: 1.41 inches.
September is a fall month in Malta, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 28.9°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 20m. For travel, September is a comfortable month to visit.
Avg High
74.4°F
Avg Low
45.5°F
Precipitation
1.41 in
Daylight
12h 20m
September records in Malta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (2016) | 42.1°F (1999) | 1.06 in (2008) |
| September 2 | 96.1°F (1998) | 42.1°F (2018) | 0.09 in (2008) |
| September 3 | 98.1°F (2022) | 41.0°F (2004) | 0.12 in (2000) |
| September 4 | 100.0°F (2022) | 39.9°F (2011) | 0.28 in (2023) |
| September 5 | 91.9°F (2003) | 37.0°F (2025) | 0.68 in (2016) |
| September 6 | 93.9°F (2009) | 37.0°F (2025) | 0.65 in (2013) |
| September 7 | 100.0°F (2022) | 39.0°F (1996) | 1.03 in (2020) |
| September 8 | 100.0°F (2022) | 30.9°F (2020) | 0.25 in (2007) |
| September 9 | 93.9°F (1998) | 36.0°F (1999) | 0.50 in (2019) |
| September 10 | 90.0°F (2012) | 37.0°F (2014) | 3.34 in (2005) |
| September 11 | 89.1°F (2011) | 37.0°F (2014) | 0.20 in (1999) |
| September 12 | 90.0°F (2011) | 35.1°F (2014) | 0.72 in (1997) |
| September 13 | 89.1°F (2015) | 30.0°F (2016) | 0.18 in (2008) |
| September 14 | 86.0°F (2012) | 30.0°F (2007) | 0.18 in (1997) |
| September 15 | 91.9°F (2000) | 36.0°F (1999) | 0.88 in (2006) |
| September 16 | 93.0°F (1998) | 37.9°F (2006) | 0.57 in (2015) |
| September 17 | 90.0°F (2000) | 33.1°F (2006) | 0.68 in (1996) |
| September 18 | 93.9°F (2009) | 28.0°F (2003) | 0.71 in (2024) |
| September 19 | 95.0°F (2009) | 28.9°F (1997) | 0.50 in (1998) |
| September 20 | 89.1°F (2008) | 36.0°F (1997) | 1.00 in (2018) |
| September 21 | 86.0°F (2025) | 34.0°F (2004) | 0.42 in (2000) |
| September 22 | 89.1°F (2025) | 30.0°F (2002) | 0.74 in (2016) |
| September 23 | 88.0°F (2011) | 30.0°F (2000) | 0.29 in (2016) |
| September 24 | 90.0°F (2011) | 27.0°F (2000) | 0.15 in (2002) |
| September 25 | 91.9°F (2011) | 32.0°F (2000) | 0.05 in (2013) |
| September 26 | 91.9°F (2011) | 34.0°F (1996) | 0.56 in (2013) |
| September 27 | 86.0°F (2001) | 30.0°F (1996) | 0.30 in (2014) |
| September 28 | 88.0°F (2021) | 28.9°F (2009) | 0.46 in (2014) |
| September 29 | 91.9°F (2024) | 30.0°F (2002) | 0.08 in (2018) |
| September 30 | 88.0°F (1997) | 27.0°F (2003) | 0.20 in (2019) |