September weather in Wilton, WI
The average temperature in Wilton in September is °F (°F–°F). Average precipitation: 4.24 inches.
September is a fall month in Wilton, 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
4.24 in
Daylight
12h 17m
September records in Wilton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | — | — | 2.06 in (2010) |
| September 2 | — | — | 1.30 in (2002) |
| September 3 | — | — | 1.21 in (2019) |
| September 4 | — | — | 1.74 in (2018) |
| September 5 | — | — | 1.50 in (1992) |
| September 6 | — | — | 0.35 in (1995) |
| September 7 | — | — | 2.50 in (2001) |
| September 8 | — | — | 2.64 in (2015) |
| September 9 | — | — | 1.20 in (1984) |
| September 10 | — | — | 3.50 in (1986) |
| September 11 | — | — | 2.20 in (1984) |
| September 12 | — | — | 1.65 in (2006) |
| September 13 | — | — | 2.50 in (1994) |
| September 14 | — | — | 1.75 in (1991) |
| September 15 | — | — | 1.90 in (1992) |
| September 16 | — | — | 1.00 in (1992) |
| September 17 | — | — | 0.56 in (2017) |
| September 18 | — | — | 0.80 in (2015) |
| September 19 | — | — | 3.74 in (2019) |
| September 20 | — | — | 1.28 in (2018) |
| September 21 | — | — | 1.70 in (1988) |
| September 22 | — | — | 3.41 in (2016) |
| September 23 | — | — | 2.67 in (2010) |
| September 24 | — | — | 0.82 in (2010) |
| September 25 | — | — | 1.10 in (1994) |
| September 26 | — | — | 1.36 in (2023) |
| September 27 | — | — | 0.60 in (2011) |
| September 28 | — | — | 0.55 in (1986) |
| September 29 | — | — | 1.20 in (1985) |
| September 30 | — | — | 0.45 in (1998) |