September weather in Blue Earth, MN
The average temperature in Blue Earth in September is °F (°F–°F). Average precipitation: 3.46 inches.
September is a fall month in Blue Earth, and is cooler than the annual average of 0°F. Daylight averages about 12h 17m.
Avg High
°F
Avg Low
°F
Precipitation
3.46 in
Daylight
12h 17m
September records in Blue Earth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 77.0°F (2010) | 59.0°F (2010) | 1.75 in (2010) |
| September 2 | 73.0°F (2010) | 59.0°F (2010) | 0.57 in (2010) |
| September 3 | 75.9°F (2010) | 55.0°F (2010) | 1.23 in (2021) |
| September 4 | 62.1°F (2010) | 46.0°F (2010) | 0.35 in (2018) |
| September 5 | 68.0°F (2010) | 45.0°F (2010) | 3.04 in (2018) |
| September 6 | 81.0°F (2010) | 53.1°F (2010) | 1.11 in (2020) |
| September 7 | 79.0°F (2010) | 55.0°F (2010) | 0.63 in (2016) |
| September 8 | 70.0°F (2010) | 43.0°F (2010) | 1.52 in (2015) |
| September 9 | 73.9°F (2010) | 43.0°F (2010) | 0.58 in (2016) |
| September 10 | — | 55.0°F (2010) | 0.73 in (2016) |
| September 11 | 70.0°F (2010) | 54.0°F (2010) | 1.22 in (2019) |
| September 12 | 82.9°F (2010) | 50.0°F (2010) | 1.37 in (2019) |
| September 13 | 86.0°F (2010) | 50.0°F (2010) | 0.29 in (2019) |
| September 14 | 79.0°F (2010) | 50.0°F (2010) | 0.00 in (2010) |
| September 15 | — | — | 0.51 in (2013) |
| September 16 | 82.0°F (2010) | 50.0°F (2010) | 2.01 in (2016) |
| September 17 | 57.0°F (2010) | 48.9°F (2010) | 0.36 in (2015) |
| September 18 | 66.9°F (2010) | 46.0°F (2010) | 1.18 in (2019) |
| September 19 | 60.1°F (2010) | 45.0°F (2010) | 0.98 in (2017) |
| September 20 | 63.0°F (2010) | 44.1°F (2010) | 2.13 in (2018) |
| September 21 | 84.0°F (2010) | 51.1°F (2010) | 0.88 in (2018) |
| September 22 | 77.0°F (2010) | 50.0°F (2010) | 2.53 in (2016) |
| September 23 | 66.9°F (2010) | 50.0°F (2010) | 4.92 in (2010) |
| September 24 | 75.0°F (2010) | 53.1°F (2010) | 1.81 in (2010) |
| September 25 | 64.9°F (2010) | 46.0°F (2010) | 0.46 in (2016) |
| September 26 | 63.0°F (2010) | 42.1°F (2010) | 0.34 in (2017) |
| September 27 | 71.1°F (2010) | 39.9°F (2010) | 0.10 in (2023) |
| September 28 | 81.0°F (2010) | 42.1°F (2010) | 0.02 in (2020) |
| September 29 | 82.0°F (2010) | 42.1°F (2010) | 0.06 in (2013) |
| September 30 | 82.9°F (2010) | 50.0°F (2010) | 0.05 in (2020) |