September weather in Webster, WI
The average temperature in Webster in September is 59.1°F (48.3°F–70.0°F). Average precipitation: 3.58 inches.
September is a fall month in Webster, and is warmer than the annual average of 42.7°F. Daily temperatures swing about 21.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
70.0°F
Avg Low
48.3°F
Precipitation
3.58 in
Daylight
12h 18m
September records in Webster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1921) | 30.0°F (1935) | 1.09 in (1962) |
| September 2 | 95.0°F (1929) | 25.0°F (1946) | 3.87 in (2002) |
| September 3 | 97.0°F (1929) | 26.1°F (1946) | 2.33 in (1985) |
| September 4 | 98.1°F (1922) | 30.0°F (1956) | 2.00 in (1941) |
| September 5 | 95.0°F (1948) | 32.0°F (1929) | 1.40 in (1922) |
| September 6 | 93.0°F (1948) | 30.9°F (1930) | 1.80 in (1958) |
| September 7 | 96.1°F (1976) | 26.1°F (1956) | 2.20 in (1936) |
| September 8 | 98.1°F (1922) | 30.9°F (1958) | 1.89 in (1999) |
| September 9 | 91.9°F (1931) | 26.1°F (1924) | 2.60 in (1938) |
| September 10 | 100.9°F (1931) | 30.0°F (1958) | 1.50 in (1928) |
| September 11 | 98.1°F (1931) | 21.9°F (1955) | 1.32 in (1947) |
| September 12 | 91.0°F (1931) | 23.0°F (1955) | 3.23 in (1978) |
| September 13 | 93.9°F (1948) | 26.1°F (1963) | 3.38 in (2005) |
| September 14 | 95.0°F (1939) | 21.0°F (1923) | 2.00 in (1941) |
| September 15 | 95.0°F (1939) | 25.0°F (2007) | 3.55 in (1994) |
| September 16 | 84.9°F (1948) | 28.9°F (1937) | 1.32 in (2010) |
| September 17 | 93.0°F (1948) | 24.1°F (1959) | 1.82 in (1955) |
| September 18 | 90.0°F (1933) | 21.0°F (1929) | 1.55 in (2007) |
| September 19 | 93.9°F (1940) | 21.9°F (1929) | 1.22 in (2003) |
| September 20 | 90.0°F (1931) | 21.9°F (1956) | 1.42 in (1988) |
| September 21 | 90.0°F (1936) | 25.0°F (1925) | 1.60 in (1924) |
| September 22 | 84.9°F (1930) | 21.9°F (1953) | 1.33 in (1994) |
| September 23 | 89.1°F (1930) | 25.0°F (1943) | 2.21 in (1968) |
| September 24 | 88.0°F (1935) | 21.0°F (1976) | 3.61 in (2010) |
| September 25 | 86.0°F (1933) | 18.0°F (1947) | 1.70 in (1929) |
| September 26 | 87.1°F (1923) | 19.9°F (1939) | 1.68 in (1930) |
| September 27 | 88.0°F (1923) | 21.0°F (1957) | 1.37 in (1924) |
| September 28 | 84.9°F (1987) | 19.0°F (1942) | 0.85 in (1943) |
| September 29 | 84.9°F (1933) | 21.0°F (1945) | 0.47 in (1988) |
| September 30 | 87.1°F (1933) | 18.0°F (1939) | 1.33 in (1965) |