September weather in Tucson, AZ
The average temperature in Tucson in September is 82.8°F (70.4°F–95.1°F). Average precipitation: 1.32 inches.
September is a fall month in Tucson, and is warmer than the annual average of 70.6°F. Daily temperatures swing about 24.7°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 11m. For travel, September is hot.
Avg High
95.1°F
Avg Low
70.4°F
Precipitation
1.32 in
Daylight
12h 11m
September records in Tucson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (1950) | 64.0°F (1956) | 1.28 in (1954) |
| September 2 | 106.0°F (1948) | 63.0°F (1951) | 0.70 in (1988) |
| September 3 | 107.1°F (1948) | 62.1°F (1973) | 1.72 in (1996) |
| September 4 | 109.9°F (2020) | 55.9°F (1961) | 1.90 in (1970) |
| September 5 | 108.0°F (2020) | 63.0°F (1985) | 0.82 in (1987) |
| September 6 | 107.1°F (2020) | 63.0°F (1976) | 0.66 in (2002) |
| September 7 | 105.1°F (2000) | 61.0°F (1976) | 1.25 in (2016) |
| September 8 | 105.1°F (1990) | 61.0°F (1950) | 1.84 in (2014) |
| September 9 | 108.0°F (2023) | 62.1°F (1987) | 0.99 in (1977) |
| September 10 | 111.0°F (2023) | 55.9°F (2020) | 2.85 in (1964) |
| September 11 | 107.1°F (1990) | 57.9°F (1982) | 1.38 in (1966) |
| September 12 | 106.0°F (2017) | 57.9°F (1952) | 1.48 in (1966) |
| September 13 | 105.1°F (2000) | 52.0°F (1952) | 0.90 in (1992) |
| September 14 | 107.1°F (2000) | 57.0°F (1987) | 0.95 in (1964) |
| September 15 | 105.1°F (2018) | 55.9°F (1950) | 2.84 in (2011) |
| September 16 | 102.0°F (1988) | 55.9°F (1950) | 0.33 in (2007) |
| September 17 | 105.1°F (1956) | 59.0°F (1970) | 1.33 in (1991) |
| September 18 | 105.1°F (1956) | 57.0°F (1993) | 0.54 in (1985) |
| September 19 | 102.0°F (1956) | 57.0°F (1993) | 0.76 in (2018) |
| September 20 | 102.0°F (2010) | 50.0°F (1965) | 0.36 in (1974) |
| September 21 | 105.1°F (1954) | 46.9°F (1965) | 1.10 in (1978) |
| September 22 | 106.0°F (1989) | 51.1°F (1965) | 0.68 in (1987) |
| September 23 | 102.9°F (2001) | 53.1°F (1988) | 1.00 in (1954) |
| September 24 | 102.0°F (2020) | 55.9°F (1961) | 1.33 in (2003) |
| September 25 | 105.1°F (2024) | 54.0°F (1958) | 1.25 in (1976) |
| September 26 | 105.1°F (2024) | 54.0°F (1986) | 2.40 in (1962) |
| September 27 | 108.0°F (2024) | 55.0°F (1973) | 0.22 in (1985) |
| September 28 | 108.0°F (2024) | 55.9°F (1986) | 2.15 in (1995) |
| September 29 | 104.0°F (2024) | 50.0°F (1965) | 1.02 in (1983) |
| September 30 | 105.1°F (2024) | 44.1°F (1965) | 0.75 in (1946) |