September weather in Brewster, MN
The average temperature in Brewster in September is 61.0°F (49.1°F–72.9°F). Average precipitation: 3.21 inches.
September is a fall month in Brewster, and is warmer than the annual average of 44.4°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
72.9°F
Avg Low
49.1°F
Precipitation
3.21 in
Daylight
12h 17m
September records in Brewster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 89.1°F (1989) | 36.0°F (1974) | 1.10 in (1979) |
| September 2 | 96.1°F (2023) | 39.9°F (1972) | 0.80 in (1985) |
| September 3 | 93.0°F (2023) | 28.9°F (1974) | 0.41 in (1995) |
| September 4 | 95.0°F (2023) | 32.0°F (1974) | 1.48 in (1989) |
| September 5 | 91.0°F (2012) | 37.9°F (1984) | 2.64 in (2018) |
| September 6 | 93.9°F (1990) | 37.9°F (1984) | 1.12 in (1979) |
| September 7 | 100.9°F (1976) | 37.0°F (1986) | 0.88 in (1981) |
| September 8 | 93.9°F (1976) | 35.1°F (1986) | 0.99 in (2005) |
| September 9 | 91.9°F (1983) | 35.1°F (1995) | 1.25 in (2005) |
| September 10 | 91.0°F (1983) | 37.9°F (1977) | 0.88 in (2003) |
| September 11 | 89.1°F (1981) | 39.0°F (1984) | 1.81 in (2019) |
| September 12 | 93.9°F (2012) | 34.0°F (1975) | 1.38 in (1984) |
| September 13 | 93.0°F (1998) | 33.1°F (1975) | 0.67 in (1993) |
| September 14 | 90.0°F (1998) | 32.0°F (1996) | 2.02 in (1978) |
| September 15 | 88.0°F (2022) | 28.9°F (2011) | 2.94 in (2004) |
| September 16 | 90.0°F (2018) | 28.9°F (2011) | 2.14 in (2006) |
| September 17 | 88.0°F (2018) | 34.0°F (1981) | 0.80 in (1986) |
| September 18 | 89.1°F (2000) | 34.0°F (1981) | 0.67 in (2005) |
| September 19 | 90.0°F (1998) | 28.0°F (1991) | 2.39 in (1986) |
| September 20 | 98.1°F (2022) | 28.0°F (1991) | 1.66 in (2018) |
| September 21 | 87.1°F (2010) | 28.9°F (1999) | 1.70 in (2018) |
| September 22 | 88.0°F (2016) | 24.1°F (1974) | 1.66 in (2006) |
| September 23 | 90.0°F (2017) | 24.1°F (1974) | 5.61 in (2010) |
| September 24 | 87.1°F (2007) | 28.9°F (1976) | 0.88 in (2010) |
| September 25 | 84.0°F (2016) | 30.0°F (1985) | 5.10 in (2005) |
| September 26 | 89.1°F (2021) | 25.0°F (1984) | 0.78 in (1996) |
| September 27 | 88.0°F (1974) | 25.0°F (1984) | 0.47 in (1976) |
| September 28 | 87.1°F (1983) | 25.0°F (1984) | 0.38 in (1988) |
| September 29 | 90.0°F (2023) | 28.9°F (1992) | 2.40 in (1973) |
| September 30 | 91.9°F (2023) | 27.0°F (1974) | 2.35 in (1977) |