September weather in Louisa, VA
The average temperature in Louisa in September is 67.6°F (56.3°F–79.0°F). Average precipitation: 4.49 inches.
September is a fall month in Louisa, and is warmer than the annual average of 55.8°F. Daily temperatures swing about 22.7°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
79.0°F
Avg Low
56.3°F
Precipitation
4.49 in
Daylight
12h 14m
September records in Louisa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1932) | 42.1°F (1934) | 3.13 in (2006) |
| September 2 | 102.0°F (1930) | 39.9°F (1929) | 1.72 in (1932) |
| September 3 | 100.9°F (1930) | 42.1°F (1929) | 1.27 in (1974) |
| September 4 | 98.1°F (1947) | 39.9°F (1997) | 2.31 in (1996) |
| September 5 | 100.0°F (1954) | 39.0°F (1997) | 3.12 in (2006) |
| September 6 | 102.9°F (1954) | 37.9°F (1924) | 4.59 in (1996) |
| September 7 | 104.0°F (1954) | 37.0°F (1924) | 4.22 in (1934) |
| September 8 | 100.0°F (1939) | 39.0°F (1988) | 3.36 in (1987) |
| September 9 | 96.1°F (1946) | 39.9°F (1986) | 2.15 in (1950) |
| September 10 | 97.0°F (1941) | 37.9°F (1956) | 2.42 in (1997) |
| September 11 | 100.0°F (1983) | 36.0°F (1924) | 1.83 in (1960) |
| September 12 | 95.0°F (1925) | 36.0°F (1917) | 2.87 in (1987) |
| September 13 | 95.0°F (1952) | 37.0°F (1941) | 2.09 in (1978) |
| September 14 | 97.0°F (1927) | 34.0°F (1985) | 3.04 in (1966) |
| September 15 | 97.0°F (1930) | 35.1°F (1985) | 1.13 in (1976) |
| September 16 | 96.1°F (1970) | 37.0°F (2001) | 2.18 in (1934) |
| September 17 | 95.0°F (1931) | 35.1°F (1984) | 2.22 in (1945) |
| September 18 | 95.0°F (1970) | 36.0°F (1990) | 2.13 in (1945) |
| September 19 | 96.1°F (1983) | 37.0°F (1959) | 3.94 in (2003) |
| September 20 | 93.0°F (1954) | 35.1°F (1916) | 2.47 in (1966) |
| September 21 | 95.0°F (1930) | 32.0°F (1956) | 1.12 in (1966) |
| September 22 | 100.9°F (1931) | 33.1°F (1918) | 1.57 in (1994) |
| September 23 | 96.1°F (2010) | 32.0°F (1983) | 1.69 in (2023) |
| September 24 | 99.0°F (1930) | 7.0°F (1998) | 1.39 in (1975) |
| September 25 | 99.0°F (1930) | 30.9°F (1963) | 1.72 in (1975) |
| September 26 | 93.0°F (1933) | 34.0°F (1928) | 1.70 in (1931) |
| September 27 | 95.0°F (1998) | 33.1°F (1940) | 1.91 in (1956) |
| September 28 | 93.0°F (1954) | 30.9°F (1989) | 2.32 in (1992) |
| September 29 | 93.0°F (1954) | 28.9°F (1942) | 3.00 in (1924) |
| September 30 | 91.0°F (1953) | 28.9°F (1942) | 2.27 in (2010) |