September weather in Trimont, MN
The average temperature in Trimont in September is 61.7°F (49.4°F–73.9°F). Average precipitation: 3.08 inches.
September is a fall month in Trimont, and is warmer than the annual average of 45°F. Daily temperatures swing about 24.5°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
73.9°F
Avg Low
49.4°F
Precipitation
3.08 in
Daylight
12h 17m
September records in Trimont
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 87.1°F (2010) | 41.0°F (2009) | 0.23 in (2014) |
| September 2 | 89.1°F (2011) | 42.1°F (2009) | 0.32 in (2015) |
| September 3 | 93.9°F (2023) | 46.0°F (2013) | 1.41 in (2021) |
| September 4 | 91.9°F (2023) | 39.9°F (2025) | 1.99 in (1949) |
| September 5 | 93.9°F (2023) | 42.1°F (2011) | 2.26 in (2018) |
| September 6 | 87.1°F (2023) | 39.9°F (2025) | 1.26 in (2020) |
| September 7 | 89.1°F (2013) | 37.9°F (2011) | 0.50 in (2016) |
| September 8 | 91.0°F (2013) | 39.9°F (2010) | 0.60 in (2015) |
| September 9 | 87.1°F (2022) | 41.0°F (2020) | 1.56 in (2010) |
| September 10 | 93.9°F (2013) | 39.9°F (2020) | 0.95 in (1949) |
| September 11 | 87.1°F (2011) | 42.1°F (2020) | 0.85 in (2019) |
| September 12 | 93.0°F (2012) | 41.0°F (2015) | 1.09 in (1951) |
| September 13 | 90.0°F (2011) | 34.0°F (2014) | 0.30 in (2012) |
| September 14 | 93.9°F (2025) | 35.1°F (2014) | 0.05 in (2021) |
| September 15 | 88.0°F (2017) | 28.0°F (2011) | 0.88 in (2010) |
| September 16 | 89.1°F (2018) | 33.1°F (2011) | 1.42 in (2016) |
| September 17 | 90.0°F (2018) | 39.0°F (2013) | 0.24 in (2024) |
| September 18 | 87.1°F (2019) | 36.0°F (2012) | 1.45 in (2019) |
| September 19 | 88.0°F (2013) | 36.0°F (2012) | 0.82 in (1948) |
| September 20 | 88.0°F (2021) | 44.1°F (2012) | 2.23 in (2018) |
| September 21 | 95.0°F (2022) | 39.9°F (2013) | 2.05 in (1950) |
| September 22 | 90.0°F (2016) | 35.1°F (2012) | 0.42 in (2025) |
| September 23 | 91.9°F (2017) | 28.9°F (2012) | 3.76 in (2010) |
| September 24 | 88.0°F (2017) | 30.9°F (2012) | 0.74 in (2010) |
| September 25 | 88.0°F (2017) | 37.9°F (2011) | 1.78 in (2009) |
| September 26 | 86.0°F (2020) | 37.0°F (2012) | 0.26 in (2017) |
| September 27 | 88.0°F (2021) | 37.0°F (2012) | 0.00 in (1948) |
| September 28 | 87.1°F (2013) | 30.0°F (2022) | 0.13 in (2013) |
| September 29 | 86.0°F (2024) | 30.0°F (2022) | 0.20 in (2019) |
| September 30 | 90.0°F (2023) | 35.1°F (2009) | 0.13 in (2018) |