September weather in Pima, AZ
The average temperature in Pima in September is 77.1°F (61.0°F–93.2°F). Average precipitation: 1.08 inches.
September is a fall month in Pima, and is warmer than the annual average of 65.1°F. Daily temperatures swing about 32.2°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
93.2°F
Avg Low
61.0°F
Precipitation
1.08 in
Daylight
12h 11m
September records in Pima
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (1949) | 50.0°F (1956) | 0.96 in (1999) |
| September 2 | 102.9°F (1950) | 48.9°F (1955) | 0.28 in (2018) |
| September 3 | 105.1°F (1982) | 46.9°F (1953) | 0.58 in (2008) |
| September 4 | 106.0°F (1948) | 43.0°F (1961) | 1.08 in (1996) |
| September 5 | 105.1°F (2020) | 50.0°F (1959) | 0.53 in (2021) |
| September 6 | 106.0°F (2023) | 51.1°F (1959) | 0.46 in (1980) |
| September 7 | 105.1°F (1979) | 52.0°F (1959) | 2.80 in (2016) |
| September 8 | 102.9°F (2000) | 51.1°F (1952) | 0.70 in (2013) |
| September 9 | 108.0°F (2023) | 48.9°F (1953) | 0.76 in (1975) |
| September 10 | 106.0°F (2023) | 48.9°F (1950) | 1.42 in (1972) |
| September 11 | 104.0°F (2024) | 48.0°F (1950) | 1.17 in (1996) |
| September 12 | 102.9°F (2021) | 48.0°F (1950) | 1.84 in (2008) |
| September 13 | 100.0°F (1963) | 43.0°F (1952) | 1.13 in (1964) |
| September 14 | 102.9°F (2000) | 45.0°F (1952) | 1.22 in (1974) |
| September 15 | 104.0°F (2000) | 42.1°F (1950) | 1.97 in (1966) |
| September 16 | 100.9°F (1971) | 48.0°F (1950) | 0.41 in (2014) |
| September 17 | 102.9°F (2018) | 48.0°F (1970) | 0.93 in (2013) |
| September 18 | 105.1°F (1956) | 46.9°F (1957) | 0.32 in (1985) |
| September 19 | 100.9°F (1980) | 43.0°F (1993) | 1.38 in (2018) |
| September 20 | 102.0°F (1952) | 45.0°F (1957) | 0.53 in (1985) |
| September 21 | 99.0°F (2005) | 39.9°F (1965) | 0.48 in (1997) |
| September 22 | 100.0°F (2001) | 41.0°F (1965) | 0.78 in (1997) |
| September 23 | 102.0°F (1993) | 42.1°F (1955) | 1.12 in (1990) |
| September 24 | 102.0°F (2020) | 41.0°F (1968) | 0.75 in (1983) |
| September 25 | 100.9°F (1982) | 43.0°F (1955) | 1.16 in (1954) |
| September 26 | 102.9°F (2024) | 39.9°F (1959) | 2.10 in (1962) |
| September 27 | 105.1°F (2024) | 37.9°F (1955) | 0.63 in (1984) |
| September 28 | 104.0°F (2024) | 41.0°F (1955) | 0.72 in (1995) |
| September 29 | 100.9°F (1998) | 39.0°F (1953) | 0.58 in (1985) |
| September 30 | 102.0°F (2024) | 37.0°F (1965) | 2.13 in (1983) |