September weather in St. Hilaire, MN
The average temperature in St. Hilaire in September is 57.9°F (46.7°F–69.2°F). Average precipitation: inches.
September is a fall month in St. Hilaire, and is warmer than the annual average of 39.9°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Daylight averages about 12h 20m. For travel, September is a comfortable month to visit.
Avg High
69.2°F
Avg Low
46.7°F
Precipitation
in
Daylight
12h 20m
September records in St. Hilaire
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (1978) | 35.1°F (1994) | 1.71 in (1999) |
| September 2 | 93.9°F (1983) | 37.9°F (1994) | 1.00 in (1986) |
| September 3 | 91.9°F (1978) | 39.9°F (1982) | 1.42 in (1999) |
| September 4 | 91.9°F (1978) | 35.1°F (1981) | 0.78 in (1999) |
| September 5 | 97.0°F (1978) | 37.9°F (1984) | 1.73 in (2016) |
| September 6 | 96.1°F (1978) | 35.1°F (2017) | 2.10 in (1981) |
| September 7 | 90.0°F (2003) | 36.0°F (1979) | 1.78 in (1992) |
| September 8 | 93.0°F (1978) | 34.0°F (1995) | 1.48 in (1997) |
| September 9 | 91.9°F (1978) | 30.9°F (2006) | 0.85 in (2002) |
| September 10 | 91.0°F (1998) | 30.0°F (1993) | 1.78 in (2010) |
| September 11 | 91.9°F (1990) | 32.0°F (1989) | 0.62 in (1994) |
| September 12 | 90.0°F (1990) | 34.0°F (2007) | 0.70 in (1980) |
| September 13 | 82.0°F (2004) | 28.0°F (1986) | 0.90 in (1980) |
| September 14 | 84.0°F (2006) | 30.9°F (2011) | 0.80 in (2003) |
| September 15 | 82.9°F (1987) | 30.9°F (1973) | 1.80 in (1988) |
| September 16 | 88.0°F (1979) | 24.1°F (1973) | 1.20 in (1988) |
| September 17 | 89.1°F (1998) | 28.9°F (1973) | 1.03 in (2003) |
| September 18 | 89.1°F (1989) | 30.0°F (2012) | 1.03 in (1977) |
| September 19 | 87.1°F (2004) | 32.0°F (2006) | 0.73 in (1985) |
| September 20 | 82.0°F (2004) | 28.0°F (1973) | 1.25 in (2004) |
| September 21 | 87.1°F (2015) | 21.9°F (2002) | 0.55 in (1973) |
| September 22 | 82.0°F (1999) | 25.0°F (2012) | 1.50 in (1973) |
| September 23 | 88.0°F (2007) | 21.9°F (2002) | 1.72 in (1981) |
| September 24 | 82.9°F (1990) | 28.9°F (1985) | 3.02 in (2010) |
| September 25 | 80.1°F (1990) | 25.0°F (2012) | 0.70 in (1973) |
| September 26 | 87.1°F (1990) | 24.1°F (1984) | 0.57 in (1996) |
| September 27 | 84.9°F (2014) | 27.0°F (1980) | 1.35 in (1982) |
| September 28 | 82.0°F (1995) | 25.0°F (1992) | 2.00 in (2013) |
| September 29 | 84.9°F (2012) | 26.1°F (1993) | 0.84 in (1995) |
| September 30 | 87.1°F (1989) | 26.1°F (2003) | 0.55 in (1981) |