September weather in Richmond, VA
The average temperature in Richmond in September is 71.2°F (61.1°F–81.2°F). Average precipitation: 4.61 inches.
September is a fall month in Richmond, and is warmer than the annual average of 58.9°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
81.2°F
Avg Low
61.1°F
Precipitation
4.61 in
Daylight
12h 14m
September records in Richmond
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (1953) | 48.9°F (1946) | 3.62 in (2006) |
| September 2 | 100.9°F (2014) | 48.9°F (1948) | 1.92 in (1969) |
| September 3 | 99.0°F (1984) | 48.0°F (1967) | 1.22 in (1974) |
| September 4 | 98.1°F (2023) | 50.0°F (1967) | 2.46 in (2003) |
| September 5 | 100.0°F (1954) | 51.1°F (1994) | 3.14 in (1953) |
| September 6 | 102.0°F (1954) | 48.9°F (1976) | 2.80 in (1974) |
| September 7 | 102.9°F (1954) | 45.0°F (1976) | 3.76 in (2011) |
| September 8 | 97.0°F (1939) | 46.9°F (1984) | 2.84 in (2004) |
| September 9 | 95.0°F (1946) | 46.9°F (1986) | 1.34 in (1977) |
| September 10 | 96.1°F (1983) | 44.1°F (1956) | 1.52 in (1960) |
| September 11 | 100.0°F (1983) | 43.0°F (1976) | 1.88 in (1996) |
| September 12 | 98.1°F (2019) | 43.0°F (1967) | 2.07 in (2003) |
| September 13 | 93.0°F (1952) | 44.1°F (1941) | 2.11 in (1965) |
| September 14 | 95.0°F (1952) | 44.1°F (1953) | 1.43 in (2006) |
| September 15 | 93.0°F (1993) | 44.1°F (1964) | 2.15 in (1976) |
| September 16 | 97.0°F (1991) | 44.1°F (1985) | 4.53 in (1999) |
| September 17 | 97.0°F (1991) | 39.9°F (1966) | 2.86 in (2020) |
| September 18 | 95.0°F (1978) | 43.0°F (1966) | 4.32 in (2003) |
| September 19 | 96.1°F (1978) | 43.0°F (1984) | 3.63 in (1955) |
| September 20 | 95.0°F (2005) | 43.0°F (1959) | 1.87 in (1989) |
| September 21 | 93.9°F (1980) | 39.0°F (1956) | 1.70 in (1966) |
| September 22 | 97.0°F (1980) | 39.9°F (1962) | 2.68 in (1994) |
| September 23 | 98.1°F (2005) | 37.0°F (1983) | 2.76 in (2023) |
| September 24 | 96.1°F (2010) | 35.1°F (1974) | 1.93 in (1946) |
| September 25 | 93.9°F (1986) | 37.0°F (1963) | 1.66 in (1947) |
| September 26 | 95.0°F (2019) | 39.9°F (1967) | 1.97 in (1985) |
| September 27 | 96.1°F (1998) | 39.0°F (1940) | 2.18 in (2025) |
| September 28 | 93.0°F (1954) | 39.0°F (1947) | 4.74 in (2016) |
| September 29 | 93.9°F (2019) | 37.9°F (1942) | 2.25 in (2010) |
| September 30 | 91.0°F (1954) | 39.0°F (1961) | 3.69 in (2010) |