September weather in Whitehall, MT
The average temperature in Whitehall in September is °F (°F–°F). Average precipitation: 2.27 inches.
September is a fall month in Whitehall, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 12h 18m.
Avg High
°F
Avg Low
°F
Precipitation
2.27 in
Daylight
12h 18m
September records in Whitehall
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 77.0°F (2022) | 27.0°F (2006) | 0.40 in (2009) |
| September 2 | 78.1°F (2017) | 25.0°F (2008) | 0.50 in (2000) |
| September 3 | 83.8°F (2022) | 21.4°F (2004) | 0.50 in (2016) |
| September 4 | 78.8°F (1998) | 26.2°F (2014) | 1.10 in (2023) |
| September 5 | 82.0°F (2020) | 27.0°F (2010) | 0.80 in (2007) |
| September 6 | 78.8°F (2022) | 22.3°F (2004) | 0.90 in (2019) |
| September 7 | 81.3°F (2022) | 19.6°F (2020) | 1.40 in (2020) |
| September 8 | 76.6°F (2021) | 15.6°F (2020) | 0.50 in (2003) |
| September 9 | 76.1°F (2021) | 23.5°F (2020) | 0.40 in (2010) |
| September 10 | 73.4°F (2021) | 21.9°F (2014) | 0.70 in (1998) |
| September 11 | 73.9°F (2017) | 17.2°F (2014) | 0.50 in (2014) |
| September 12 | 73.6°F (2015) | 17.6°F (2014) | 0.50 in (2024) |
| September 13 | 71.1°F (2015) | 23.9°F (2003) | 0.20 in (2013) |
| September 14 | 72.7°F (2000) | 25.0°F (2005) | 0.60 in (2017) |
| September 15 | 77.7°F (2000) | 23.9°F (2017) | 1.90 in (2017) |
| September 16 | 71.4°F (1998) | 20.5°F (2017) | 1.10 in (2015) |
| September 17 | 72.0°F (2009) | 19.8°F (2003) | 0.90 in (2013) |
| September 18 | 70.3°F (2020) | 19.6°F (2003) | 0.50 in (2013) |
| September 19 | 71.4°F (2009) | 23.5°F (2017) | 0.70 in (2004) |
| September 20 | 66.9°F (2012) | 20.5°F (2004) | 0.60 in (2017) |
| September 21 | 67.5°F (2012) | 11.8°F (2000) | 1.00 in (2016) |
| September 22 | 69.8°F (2011) | 9.1°F (2000) | 0.80 in (2017) |
| September 23 | 71.1°F (2011) | 9.3°F (2000) | 0.50 in (2007) |
| September 24 | 73.2°F (2001) | 15.1°F (2000) | 0.50 in (2013) |
| September 25 | 73.4°F (2015) | 19.6°F (2017) | 1.70 in (2013) |
| September 26 | 68.5°F (2010) | 18.7°F (1999) | 0.60 in (2013) |
| September 27 | 70.0°F (2010) | 16.3°F (2013) | 1.50 in (2014) |
| September 28 | 71.1°F (2022) | 12.4°F (1999) | 0.50 in (2007) |
| September 29 | 67.1°F (2024) | 12.6°F (2019) | 1.50 in (2013) |
| September 30 | 70.2°F (2008) | 13.5°F (2019) | 0.80 in (2013) |