September weather in Bay City, WI
The average temperature in Bay City in September is °F (°F–°F). Average precipitation: 3.59 inches.
September is a fall month in Bay City, and is cooler than the annual average of 0°F. Expect about 9 days with precipitation. Daylight averages about 12h 17m.
Avg High
°F
Avg Low
°F
Precipitation
3.59 in
Daylight
12h 17m
September records in Bay City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 1.26 in (1982) |
| September 2 | — | — | 1.77 in (2002) |
| September 3 | — | — | 1.05 in (1996) |
| September 4 | — | — | 1.50 in (1968) |
| September 5 | — | — | 3.10 in (2018) |
| September 6 | — | — | 2.09 in (1958) |
| September 7 | — | — | 3.36 in (1980) |
| September 8 | — | — | 2.11 in (1964) |
| September 9 | — | — | 2.16 in (1985) |
| September 10 | — | — | 0.87 in (1970) |
| September 11 | — | — | 4.19 in (1986) |
| September 12 | — | — | 2.06 in (1980) |
| September 13 | — | — | 2.01 in (1978) |
| September 14 | — | — | 4.60 in (1994) |
| September 15 | — | — | 1.01 in (2013) |
| September 16 | — | — | 5.17 in (1992) |
| September 17 | — | — | 1.60 in (1997) |
| September 18 | — | — | 1.19 in (2018) |
| September 19 | — | — | 1.74 in (2003) |
| September 20 | — | — | 2.89 in (1983) |
| September 21 | — | — | 2.63 in (1980) |
| September 22 | — | — | 3.14 in (2010) |
| September 23 | — | — | 2.60 in (1968) |
| September 24 | — | — | 1.47 in (2023) |
| September 25 | — | — | 1.05 in (2007) |
| September 26 | — | — | 1.81 in (1972) |
| September 27 | — | — | 0.65 in (1978) |
| September 28 | — | — | 1.17 in (1965) |
| September 29 | — | — | 0.73 in (2023) |
| September 30 | — | — | 0.78 in (2007) |