September weather in Cottonwood, AZ
The average temperature in Cottonwood in September is 75.7°F (58.4°F–93.1°F). Average precipitation: 1.30 inches.
September is a fall month in Cottonwood, and is warmer than the annual average of 63.5°F. Daily temperatures swing about 34.7°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
93.1°F
Avg Low
58.4°F
Precipitation
1.30 in
Daylight
12h 12m
September records in Cottonwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 108.0°F (2019) | 55.9°F (1992) | 0.44 in (1986) |
| September 2 | 106.0°F (1982) | 52.0°F (2000) | 1.04 in (2019) |
| September 3 | 108.0°F (2020) | 53.1°F (1999) | 1.13 in (1990) |
| September 4 | 109.9°F (2020) | 51.1°F (1992) | 0.25 in (1990) |
| September 5 | 113.0°F (2020) | 51.1°F (1992) | 0.43 in (1996) |
| September 6 | 111.9°F (2020) | 50.0°F (1985) | 0.80 in (2015) |
| September 7 | 109.9°F (2020) | 53.1°F (1992) | 1.35 in (2002) |
| September 8 | 107.1°F (2020) | 51.1°F (1985) | 2.13 in (1995) |
| September 9 | 105.1°F (2021) | 46.0°F (2020) | 0.83 in (2002) |
| September 10 | 104.0°F (1990) | 43.0°F (2020) | 0.46 in (1984) |
| September 11 | 102.9°F (1990) | 48.9°F (2020) | 1.49 in (1998) |
| September 12 | 102.0°F (1990) | 42.1°F (1985) | 0.33 in (1999) |
| September 13 | 102.9°F (1979) | 48.9°F (1985) | 1.13 in (2009) |
| September 14 | 102.9°F (2000) | 46.0°F (1993) | 1.15 in (1999) |
| September 15 | 102.0°F (2000) | 46.0°F (1993) | 0.85 in (1999) |
| September 16 | 102.0°F (2020) | 48.9°F (2016) | 0.54 in (1990) |
| September 17 | 102.0°F (2020) | 48.0°F (1986) | 0.15 in (1996) |
| September 18 | 102.0°F (2010) | 46.9°F (2006) | 0.37 in (1990) |
| September 19 | 102.0°F (1980) | 45.0°F (2017) | 0.93 in (1985) |
| September 20 | 99.0°F (2000) | 43.0°F (1978) | 0.50 in (2016) |
| September 21 | 99.0°F (2020) | 44.1°F (1978) | 0.28 in (1990) |
| September 22 | 99.0°F (2001) | 46.0°F (1988) | 1.00 in (1983) |
| September 23 | 100.9°F (2001) | 45.0°F (1988) | 2.40 in (1983) |
| September 24 | 100.9°F (2001) | 44.1°F (2017) | 0.40 in (2019) |
| September 25 | 100.9°F (2020) | 45.0°F (2000) | 0.20 in (1986) |
| September 26 | 102.0°F (2024) | 45.0°F (2017) | 0.88 in (1997) |
| September 27 | 105.1°F (2024) | 42.1°F (1986) | 0.25 in (2014) |
| September 28 | 105.1°F (2024) | 43.0°F (1982) | 0.92 in (2025) |
| September 29 | 102.0°F (2024) | 44.1°F (1982) | 0.18 in (1983) |
| September 30 | 102.9°F (2024) | 44.1°F (2002) | 2.50 in (1983) |