September weather in Huntsville, AL
The average temperature in Huntsville in September is 74.9°F (63.4°F–86.5°F). Average precipitation: 3.49 inches.
September is a fall month in Huntsville, and is warmer than the annual average of 62.9°F. Daily temperatures swing about 23.1°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
86.5°F
Avg Low
63.4°F
Precipitation
3.49 in
Daylight
12h 12m
September records in Huntsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1993) | 55.9°F (1984) | 2.56 in (1976) |
| September 2 | 98.1°F (2011) | 51.1°F (1987) | 1.42 in (1992) |
| September 3 | 100.0°F (1962) | 54.0°F (1995) | 1.96 in (1992) |
| September 4 | 98.1°F (1962) | 54.0°F (2010) | 1.55 in (1968) |
| September 5 | 100.9°F (1999) | 52.0°F (1997) | 4.42 in (2011) |
| September 6 | 100.0°F (1990) | 51.1°F (1984) | 1.10 in (1987) |
| September 7 | 100.9°F (1990) | 48.9°F (2017) | 2.51 in (1977) |
| September 8 | 97.0°F (1990) | 48.9°F (2017) | 1.97 in (1967) |
| September 9 | 99.0°F (2019) | 53.1°F (2012) | 0.87 in (2001) |
| September 10 | 99.0°F (2002) | 50.0°F (1998) | 1.78 in (1996) |
| September 11 | 96.1°F (2002) | 44.1°F (1976) | 2.41 in (1987) |
| September 12 | 100.0°F (1962) | 48.0°F (1968) | 2.32 in (1988) |
| September 13 | 100.0°F (2019) | 48.9°F (1969) | 2.00 in (1979) |
| September 14 | 97.0°F (1991) | 48.0°F (1964) | 2.07 in (2009) |
| September 15 | 97.0°F (1991) | 50.0°F (1964) | 0.72 in (1959) |
| September 16 | 100.0°F (2019) | 46.9°F (1961) | 3.65 in (2004) |
| September 17 | 98.1°F (2019) | 46.9°F (1981) | 3.69 in (2012) |
| September 18 | 98.1°F (2019) | 43.0°F (1981) | 1.25 in (1964) |
| September 19 | 97.0°F (2010) | 39.9°F (1981) | 3.31 in (2021) |
| September 20 | 97.0°F (2010) | 45.0°F (1981) | 1.11 in (1958) |
| September 21 | 97.0°F (2010) | 45.0°F (1983) | 2.68 in (2013) |
| September 22 | 97.0°F (2016) | 41.0°F (1983) | 2.21 in (2003) |
| September 23 | 97.0°F (2016) | 41.0°F (1982) | 1.87 in (1975) |
| September 24 | 97.0°F (2016) | 41.0°F (1983) | 3.42 in (1997) |
| September 25 | 99.0°F (2016) | 44.1°F (1965) | 3.93 in (1980) |
| September 26 | 95.0°F (2019) | 37.9°F (2001) | 1.43 in (2018) |
| September 27 | 95.0°F (2019) | 42.1°F (1975) | 2.10 in (1976) |
| September 28 | 93.9°F (2019) | 39.9°F (1975) | 1.78 in (1980) |
| September 29 | 97.0°F (2019) | 37.9°F (1967) | 2.28 in (1964) |
| September 30 | 97.0°F (2019) | 37.0°F (1967) | 1.15 in (1985) |