September weather in Bancroft, ID
The average temperature in Bancroft in September is 57.8°F (40.7°F–74.8°F). Average precipitation: 1.43 inches.
September is a fall month in Bancroft, and is warmer than the annual average of 45°F. Daily temperatures swing about 34.1°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
74.8°F
Avg Low
40.7°F
Precipitation
1.43 in
Daylight
12h 16m
September records in Bancroft
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 99.0°F (2018) | 33.1°F (2020) | 0.41 in (2012) |
| September 2 | 93.0°F (2019) | 33.1°F (2020) | 0.33 in (2000) |
| September 3 | 93.0°F (2017) | 35.1°F (2011) | 0.75 in (2013) |
| September 4 | 95.0°F (2017) | 34.0°F (2014) | 0.73 in (2023) |
| September 5 | 93.9°F (2017) | 33.1°F (2018) | 0.46 in (2007) |
| September 6 | 95.0°F (2020) | 30.9°F (2015) | 0.70 in (2007) |
| September 7 | 95.0°F (2022) | 32.0°F (2010) | 2.00 in (2002) |
| September 8 | 95.0°F (2022) | 34.0°F (2001) | 0.28 in (2003) |
| September 9 | 91.0°F (2021) | 30.0°F (2001) | 0.72 in (2006) |
| September 10 | 87.1°F (2021) | 30.9°F (2001) | 0.33 in (2003) |
| September 11 | 87.1°F (2021) | 33.1°F (2020) | 0.19 in (2005) |
| September 12 | 88.0°F (2015) | 28.9°F (2014) | 0.21 in (2005) |
| September 13 | 88.0°F (2015) | 30.9°F (2012) | 0.90 in (2021) |
| September 14 | 87.1°F (2000) | 30.0°F (2003) | 0.56 in (2016) |
| September 15 | 91.0°F (2000) | 30.9°F (2004) | 0.48 in (2015) |
| September 16 | 90.0°F (2000) | 30.9°F (2004) | 1.70 in (2015) |
| September 17 | 87.1°F (2000) | 33.1°F (2006) | 0.77 in (2011) |
| September 18 | 89.1°F (2014) | 27.0°F (2003) | 0.35 in (2002) |
| September 19 | 84.0°F (2009) | 28.9°F (2006) | 0.63 in (2021) |
| September 20 | 84.9°F (2010) | 32.0°F (2018) | 0.33 in (2004) |
| September 21 | 84.0°F (2014) | 28.9°F (2004) | 0.22 in (2004) |
| September 22 | 97.0°F (2005) | 30.0°F (2004) | 0.64 in (2022) |
| September 23 | 84.0°F (2015) | 33.1°F (2002) | 1.11 in (2016) |
| September 24 | 87.1°F (2001) | 26.1°F (2000) | 0.86 in (2016) |
| September 25 | 88.0°F (2001) | 27.0°F (2000) | 0.38 in (2013) |
| September 26 | 86.0°F (2001) | 27.0°F (2000) | 0.04 in (2013) |
| September 27 | 82.0°F (2009) | 28.9°F (1999) | 0.69 in (2014) |
| September 28 | 87.1°F (2010) | 24.1°F (1999) | 0.70 in (2014) |
| September 29 | 88.0°F (2010) | 23.0°F (1999) | 1.70 in (2019) |
| September 30 | 84.0°F (2010) | 23.0°F (1999) | 0.48 in (2004) |