September weather in Sandstone, MN
The average temperature in Sandstone in September is 57.6°F (46.2°F–68.9°F). Average precipitation: 3.47 inches.
September is a fall month in Sandstone, and is warmer than the annual average of 41.4°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
68.9°F
Avg Low
46.2°F
Precipitation
3.47 in
Daylight
12h 18m
September records in Sandstone
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 86.2°F (2022) | 41.0°F (2009) | 1.41 in (2014) |
| September 2 | 84.6°F (2012) | 41.7°F (2009) | 1.09 in (2019) |
| September 3 | 93.9°F (2023) | 39.6°F (2013) | 1.70 in (2014) |
| September 4 | 94.3°F (2023) | 37.8°F (2025) | 1.10 in (2014) |
| September 5 | 88.5°F (2007) | 37.0°F (2010) | 0.94 in (2016) |
| September 6 | 88.5°F (2013) | 37.0°F (2018) | 1.02 in (2007) |
| September 7 | 87.1°F (2013) | 36.0°F (2024) | 0.76 in (2016) |
| September 8 | 84.0°F (2022) | 36.3°F (2008) | 0.19 in (2013) |
| September 9 | 86.2°F (2011) | 33.6°F (2008) | 1.10 in (2019) |
| September 10 | 83.5°F (2011) | 35.6°F (2020) | 0.79 in (2014) |
| September 11 | 89.4°F (2012) | 31.8°F (2020) | 1.12 in (2008) |
| September 12 | 83.7°F (2011) | 28.6°F (2007) | 0.63 in (2019) |
| September 13 | 83.8°F (2017) | 31.5°F (2023) | 0.70 in (2008) |
| September 14 | 85.5°F (2017) | 27.7°F (2007) | 0.83 in (2013) |
| September 15 | 87.3°F (2018) | 25.3°F (2007) | 1.01 in (2010) |
| September 16 | 88.3°F (2025) | 26.4°F (2011) | 0.58 in (2021) |
| September 17 | 84.7°F (2024) | 30.6°F (2020) | 1.98 in (2019) |
| September 18 | 84.4°F (2024) | 27.5°F (2020) | 2.13 in (2007) |
| September 19 | 87.6°F (2021) | 35.1°F (2010) | 0.33 in (2025) |
| September 20 | 82.6°F (2023) | 37.9°F (2007) | 1.69 in (2007) |
| September 21 | 82.2°F (2023) | 35.1°F (2012) | 0.84 in (2019) |
| September 22 | 85.6°F (2017) | 34.3°F (2013) | 1.10 in (2017) |
| September 23 | 83.7°F (2020) | 33.3°F (2012) | 1.35 in (2023) |
| September 24 | 85.8°F (2017) | 32.0°F (2011) | 1.19 in (2023) |
| September 25 | 81.0°F (2025) | 32.7°F (2012) | 2.84 in (2023) |
| September 26 | 82.0°F (2008) | 28.9°F (2010) | 0.38 in (2017) |
| September 27 | 82.2°F (2024) | 27.9°F (2012) | 0.34 in (2009) |
| September 28 | 84.2°F (2024) | 26.1°F (2018) | 0.33 in (2013) |
| September 29 | 85.1°F (2025) | 25.9°F (2018) | 0.39 in (2023) |
| September 30 | 83.1°F (2021) | 28.9°F (2011) | 2.00 in (2019) |