September weather in Louisville, AL
The average temperature in Louisville in September is 76.1°F (66.1°F–86.1°F). Average precipitation: 3.68 inches.
September is a fall month in Louisville, and is warmer than the annual average of 65.3°F. Daily temperatures swing about 20°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 11m. For travel, September is a comfortable month to visit.
Avg High
86.1°F
Avg Low
66.1°F
Precipitation
3.68 in
Daylight
12h 11m
September records in Louisville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1957) | 61.0°F (1983) | 3.03 in (1937) |
| September 2 | 102.0°F (1957) | 57.9°F (1983) | 3.40 in (1983) |
| September 3 | 99.0°F (2024) | 59.0°F (1967) | 2.20 in (1937) |
| September 4 | 97.0°F (1959) | 59.0°F (1967) | 1.80 in (1976) |
| September 5 | 99.0°F (1962) | 55.0°F (1995) | 2.34 in (1948) |
| September 6 | 96.1°F (1957) | 51.1°F (1997) | 1.50 in (1961) |
| September 7 | 97.0°F (1966) | 53.1°F (1997) | 2.44 in (1977) |
| September 8 | 98.1°F (1990) | 53.1°F (1997) | 3.24 in (1944) |
| September 9 | 98.1°F (1990) | 53.1°F (1997) | 2.02 in (1957) |
| September 10 | 97.0°F (2016) | 53.1°F (1956) | 2.76 in (1974) |
| September 11 | 99.0°F (2010) | 52.0°F (1976) | 3.22 in (1935) |
| September 12 | 99.0°F (1962) | 54.0°F (1976) | 3.28 in (2017) |
| September 13 | 96.1°F (2002) | 55.0°F (1998) | 2.04 in (1933) |
| September 14 | 96.1°F (2014) | 51.1°F (1996) | 3.52 in (1983) |
| September 15 | 96.1°F (1972) | 52.0°F (1983) | 2.00 in (2024) |
| September 16 | 98.1°F (1972) | 50.0°F (2001) | 2.65 in (1952) |
| September 17 | 97.0°F (1972) | 48.0°F (2001) | 11.50 in (2020) |
| September 18 | 100.0°F (2019) | 46.9°F (2001) | 2.36 in (2012) |
| September 19 | 100.9°F (2019) | 46.9°F (2001) | 1.66 in (1991) |
| September 20 | 97.0°F (2010) | 52.0°F (1985) | 1.45 in (1945) |
| September 21 | 97.0°F (2010) | 46.9°F (1962) | 2.65 in (1957) |
| September 22 | 97.0°F (2010) | 45.0°F (1982) | 2.55 in (1969) |
| September 23 | 96.1°F (1990) | 42.1°F (1999) | 1.67 in (1930) |
| September 24 | 98.1°F (2016) | 44.1°F (1999) | 2.70 in (1946) |
| September 25 | 96.1°F (2016) | 44.1°F (1999) | 8.55 in (1956) |
| September 26 | 97.0°F (2019) | 42.1°F (2001) | 2.88 in (2018) |
| September 27 | 98.1°F (2019) | 42.1°F (2001) | 4.02 in (2010) |
| September 28 | 100.0°F (2019) | 43.0°F (1985) | 2.80 in (1948) |
| September 29 | 96.1°F (1972) | 44.1°F (1967) | 2.30 in (1998) |
| September 30 | 93.9°F (1972) | 43.0°F (1967) | 5.20 in (1998) |