September weather in Delano, MN
The average temperature in Delano in September is 61.2°F (50.2°F–72.2°F). Average precipitation: inches.
September is a fall month in Delano, and is warmer than the annual average of 44.5°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Daylight averages about 12h 18m. For travel, September is one of the best months of the year to visit.
Avg High
72.2°F
Avg Low
50.2°F
Precipitation
in
Daylight
12h 18m
September records in Delano
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 88.0°F (2011) | 46.0°F (1994) | 0.22 in (2000) |
| September 2 | 90.0°F (1978) | 44.1°F (1981) | 0.93 in (2015) |
| September 3 | 90.0°F (1978) | 45.0°F (1979) | 0.58 in (2000) |
| September 4 | 97.0°F (2023) | 42.1°F (1988) | 0.14 in (1992) |
| September 5 | 97.0°F (2023) | 39.9°F (1988) | 2.17 in (2002) |
| September 6 | 91.9°F (1978) | 39.9°F (1988) | 0.08 in (1995) |
| September 7 | 95.0°F (1978) | 39.0°F (1979) | 1.01 in (2007) |
| September 8 | 93.0°F (1978) | 39.0°F (1995) | 2.35 in (1991) |
| September 9 | 91.9°F (1978) | 39.0°F (2008) | 1.77 in (1991) |
| September 10 | 91.0°F (2013) | 33.1°F (2020) | 0.77 in (2001) |
| September 11 | 90.0°F (1978) | 34.0°F (2010) | 2.14 in (1980) |
| September 12 | 93.9°F (2012) | 35.1°F (2007) | 2.71 in (1978) |
| September 13 | 86.0°F (1990) | 33.1°F (2014) | 1.77 in (1999) |
| September 14 | 91.0°F (1998) | 32.0°F (2011) | 0.95 in (2004) |
| September 15 | 88.0°F (2025) | 34.0°F (2007) | 0.80 in (2004) |
| September 16 | 91.0°F (2018) | 33.1°F (1996) | 2.60 in (1992) |
| September 17 | 91.0°F (2018) | 35.1°F (1981) | 0.25 in (2004) |
| September 18 | 87.1°F (2024) | 36.0°F (2020) | 2.09 in (2018) |
| September 19 | 87.1°F (2000) | 36.0°F (1979) | 0.85 in (1988) |
| September 20 | 89.1°F (2021) | 25.0°F (1987) | 0.92 in (1986) |
| September 21 | 87.1°F (2023) | 33.1°F (1995) | 2.60 in (2021) |
| September 22 | 89.1°F (2017) | 30.0°F (1995) | 2.23 in (2016) |
| September 23 | 90.0°F (2017) | 28.9°F (2012) | 0.53 in (2010) |
| September 24 | 87.1°F (2017) | 33.1°F (2001) | 1.90 in (2010) |
| September 25 | 87.1°F (2017) | 5.0°F (1998) | 1.20 in (2015) |
| September 26 | 84.9°F (1979) | 30.0°F (2000) | 0.49 in (1981) |
| September 27 | 86.0°F (1987) | 30.9°F (1991) | 0.45 in (1988) |
| September 28 | 84.0°F (2024) | 30.9°F (1981) | 0.50 in (2009) |
| September 29 | 84.9°F (2024) | 30.9°F (1992) | 0.16 in (2008) |
| September 30 | 86.0°F (2025) | 30.9°F (2003) | 0.30 in (2002) |