September weather in Superior, AZ
The average temperature in Superior in September is 82.7°F (72.2°F–93.3°F). Average precipitation: 1.25 inches.
September is a fall month in Superior, and is warmer than the annual average of 70.2°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 3 days with precipitation. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
93.3°F
Avg Low
72.2°F
Precipitation
1.25 in
Daylight
12h 12m
September records in Superior
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 105.1°F (1995) | 66.0°F (1983) | 0.60 in (1957) |
| September 2 | 102.0°F (1970) | 64.9°F (1984) | 1.12 in (1925) |
| September 3 | 104.0°F (1982) | 62.1°F (1961) | 1.49 in (1989) |
| September 4 | 105.1°F (1979) | 64.9°F (1961) | 1.71 in (1974) |
| September 5 | 102.9°F (1979) | 60.1°F (1975) | 1.41 in (1976) |
| September 6 | 102.9°F (1979) | 62.1°F (1965) | 1.85 in (1970) |
| September 7 | 104.0°F (1979) | 57.9°F (1985) | 1.15 in (1947) |
| September 8 | 102.0°F (2000) | 57.9°F (1985) | 2.65 in (1933) |
| September 9 | 105.1°F (1979) | 62.1°F (1968) | 0.94 in (1986) |
| September 10 | 102.0°F (1974) | 62.1°F (1977) | 1.88 in (1982) |
| September 11 | 102.9°F (1975) | 45.0°F (1982) | 1.04 in (1927) |
| September 12 | 102.9°F (1971) | 55.9°F (1982) | 0.65 in (1985) |
| September 13 | 102.0°F (1990) | 60.1°F (1985) | 1.78 in (1958) |
| September 14 | 104.0°F (2000) | 60.1°F (1966) | 1.07 in (1974) |
| September 15 | 106.0°F (2000) | 62.1°F (1964) | 0.70 in (1999) |
| September 16 | 100.9°F (2000) | 55.9°F (1982) | 1.72 in (1990) |
| September 17 | 109.0°F (1986) | 61.0°F (1981) | 0.75 in (1940) |
| September 18 | 102.0°F (1956) | 60.1°F (1981) | 2.75 in (1946) |
| September 19 | 102.9°F (1956) | 57.0°F (1965) | 1.77 in (1946) |
| September 20 | 102.0°F (1962) | 51.1°F (1965) | 0.75 in (1992) |
| September 21 | 100.0°F (2005) | 54.0°F (1965) | 0.47 in (1952) |
| September 22 | 102.0°F (1954) | 55.9°F (1964) | 0.60 in (1929) |
| September 23 | 99.0°F (2001) | 37.0°F (1992) | 1.45 in (1976) |
| September 24 | 100.0°F (2001) | 50.0°F (1986) | 0.95 in (1986) |
| September 25 | 100.0°F (1979) | 57.9°F (1986) | 2.69 in (1943) |
| September 26 | 100.0°F (1979) | 57.9°F (1986) | 0.89 in (1984) |
| September 27 | 100.0°F (1982) | 59.0°F (1986) | 0.86 in (1977) |
| September 28 | 98.1°F (1960) | 59.0°F (1976) | 1.60 in (1995) |
| September 29 | 99.0°F (1981) | 55.0°F (1965) | 1.57 in (1983) |
| September 30 | 100.0°F (2003) | 57.9°F (1965) | 2.62 in (1971) |