September weather in Gratiot, WI
The average temperature in Gratiot in September is 61.1°F (48.4°F–73.8°F). Average precipitation: 4.10 inches.
September is a fall month in Gratiot, and is warmer than the annual average of 46.2°F. Daily temperatures swing about 25.4°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
73.8°F
Avg Low
48.4°F
Precipitation
4.10 in
Daylight
12h 16m
September records in Gratiot
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1913) | 33.1°F (1901) | 2.90 in (1989) |
| September 2 | 98.1°F (1913) | 33.1°F (1946) | 4.26 in (2002) |
| September 3 | 95.0°F (1937) | 37.0°F (1974) | 2.90 in (2019) |
| September 4 | 96.1°F (1925) | 34.0°F (1902) | 0.88 in (1953) |
| September 5 | 95.0°F (1922) | 35.1°F (1902) | 3.30 in (1916) |
| September 6 | 100.0°F (1922) | 33.1°F (1988) | 1.65 in (1923) |
| September 7 | 98.1°F (1939) | 36.0°F (1902) | 2.01 in (2001) |
| September 8 | 98.1°F (1922) | 36.0°F (1949) | 2.92 in (1941) |
| September 9 | 98.1°F (1955) | 36.0°F (1914) | 6.37 in (1927) |
| September 10 | 97.0°F (1931) | 30.9°F (1910) | 2.44 in (1965) |
| September 11 | 96.1°F (1931) | 28.9°F (1917) | 2.59 in (1986) |
| September 12 | 91.9°F (1927) | 25.0°F (1902) | 3.30 in (1915) |
| September 13 | 95.0°F (1939) | 26.1°F (1902) | 3.60 in (1961) |
| September 14 | 96.1°F (1939) | 27.0°F (1923) | 3.75 in (1998) |
| September 15 | 97.0°F (1939) | 33.1°F (2011) | 1.50 in (1914) |
| September 16 | 95.0°F (1931) | 30.0°F (1916) | 2.20 in (1915) |
| September 17 | 91.0°F (1931) | 30.0°F (1916) | 1.69 in (1992) |
| September 18 | 91.9°F (1955) | 28.9°F (1916) | 3.20 in (1978) |
| September 19 | 90.0°F (1948) | 25.0°F (1902) | 2.16 in (1919) |
| September 20 | 90.0°F (1931) | 28.0°F (1956) | 3.10 in (2018) |
| September 21 | 93.0°F (2022) | 30.0°F (1901) | 2.72 in (1965) |
| September 22 | 88.0°F (2024) | 25.0°F (1974) | 1.46 in (1988) |
| September 23 | 91.9°F (2017) | 26.1°F (1974) | 2.03 in (1946) |
| September 24 | 93.0°F (2017) | 25.0°F (1976) | 1.90 in (1910) |
| September 25 | 89.1°F (2017) | 24.1°F (1942) | 2.00 in (1931) |
| September 26 | 91.0°F (2017) | 23.0°F (1926) | 3.10 in (1915) |
| September 27 | 91.0°F (1905) | 26.1°F (1918) | 3.28 in (2023) |
| September 28 | 90.0°F (1952) | 21.9°F (1942) | 1.91 in (2002) |
| September 29 | 93.9°F (1953) | 21.0°F (1949) | 2.07 in (1986) |
| September 30 | 88.0°F (2025) | 27.0°F (1947) | 1.35 in (1913) |