September weather in St. Augustine Beach, FL
The average temperature in St. Augustine Beach in September is 80.3°F (73.1°F–87.4°F). Average precipitation: 7.18 inches.
September is a fall month in St. Augustine Beach, and is warmer than the annual average of 71.2°F. Daily temperatures swing about 14.3°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 12h 10m. For travel, September is a wet month.
Avg High
87.4°F
Avg Low
73.1°F
Precipitation
7.18 in
Daylight
12h 10m
September records in St. Augustine Beach
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (2007) | 68.0°F (1985) | 3.12 in (1985) |
| September 2 | 93.0°F (2000) | 66.0°F (1985) | 3.40 in (2007) |
| September 3 | 95.0°F (1978) | 66.0°F (1990) | 1.51 in (1994) |
| September 4 | 96.1°F (2010) | 62.1°F (1990) | 2.43 in (1979) |
| September 5 | 95.0°F (1993) | 66.9°F (1978) | 2.31 in (1981) |
| September 6 | 93.0°F (1983) | 61.0°F (1990) | 2.62 in (2024) |
| September 7 | 93.0°F (1977) | 66.0°F (1990) | 3.93 in (2005) |
| September 8 | 96.1°F (1990) | 63.0°F (1990) | 2.07 in (2015) |
| September 9 | 95.0°F (1993) | 66.0°F (1981) | 2.21 in (2000) |
| September 10 | 93.0°F (1976) | 66.0°F (1997) | 2.00 in (1992) |
| September 11 | 95.0°F (2015) | 64.9°F (1990) | 0.76 in (1999) |
| September 12 | 97.0°F (2010) | 66.9°F (1989) | 2.10 in (2001) |
| September 13 | 93.9°F (1984) | 43.0°F (2006) | 2.64 in (2007) |
| September 14 | 93.9°F (1987) | 64.0°F (1982) | 3.10 in (2001) |
| September 15 | 93.0°F (1990) | 61.0°F (1976) | 3.50 in (2001) |
| September 16 | 99.0°F (1990) | 55.0°F (1976) | 1.30 in (1979) |
| September 17 | 93.0°F (1987) | 63.0°F (2001) | 3.30 in (2007) |
| September 18 | 96.1°F (1987) | 57.9°F (1976) | 2.50 in (2007) |
| September 19 | 93.9°F (1987) | 51.1°F (1981) | 3.05 in (2007) |
| September 20 | 95.0°F (1987) | 55.0°F (1981) | 4.00 in (2007) |
| September 21 | 91.9°F (2009) | 62.1°F (1981) | 1.38 in (1998) |
| September 22 | 98.1°F (1990) | 62.1°F (1994) | 0.86 in (2005) |
| September 23 | 95.0°F (1990) | 62.1°F (1982) | 1.32 in (2011) |
| September 24 | 93.0°F (2009) | 54.0°F (1990) | 1.50 in (2002) |
| September 25 | 91.9°F (1988) | 61.0°F (2008) | 6.50 in (1992) |
| September 26 | 93.9°F (1993) | 61.0°F (1975) | 2.29 in (1982) |
| September 27 | 91.9°F (1993) | 60.1°F (1982) | 1.95 in (1999) |
| September 28 | 95.0°F (1974) | 61.0°F (1987) | 3.00 in (1984) |
| September 29 | 91.9°F (2009) | 59.0°F (1993) | 1.70 in (2000) |
| September 30 | 91.9°F (2009) | 57.9°F (1993) | 3.75 in (1978) |