September weather in Apalachicola, FL
The average temperature in Apalachicola in September is 79.9°F (71.3°F–88.4°F). Average precipitation: 5.89 inches.
September is a fall month in Apalachicola, and is warmer than the annual average of 69.4°F. Daily temperatures swing about 17.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 10m. For travel, September is a wet month.
Avg High
88.4°F
Avg Low
71.3°F
Precipitation
5.89 in
Daylight
12h 10m
September records in Apalachicola
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 97.0°F (2004) | 68.0°F (1934) | 2.64 in (1973) |
| September 2 | 97.0°F (1995) | 66.0°F (2025) | 4.37 in (1998) |
| September 3 | 96.1°F (2004) | 69.1°F (1967) | 3.43 in (1967) |
| September 4 | 96.1°F (2004) | 69.1°F (1945) | 2.46 in (1988) |
| September 5 | 96.1°F (1998) | 66.9°F (1997) | 4.20 in (1940) |
| September 6 | 96.1°F (1932) | 64.9°F (1950) | 5.66 in (1974) |
| September 7 | 93.9°F (1998) | 63.0°F (2011) | 3.14 in (2000) |
| September 8 | 95.0°F (1998) | 60.1°F (2011) | 9.38 in (1946) |
| September 9 | 96.1°F (1998) | 61.0°F (2011) | 8.75 in (1951) |
| September 10 | 93.9°F (1999) | 62.1°F (1956) | 1.94 in (1938) |
| September 11 | 93.0°F (1999) | 61.0°F (1976) | 3.75 in (1959) |
| September 12 | 93.9°F (1991) | 60.1°F (1940) | 6.29 in (2024) |
| September 13 | 93.9°F (1999) | 60.1°F (1940) | 6.86 in (1932) |
| September 14 | 93.9°F (1987) | 61.0°F (2001) | 8.29 in (1932) |
| September 15 | 93.9°F (1999) | 57.0°F (1976) | 5.72 in (1986) |
| September 16 | 95.0°F (1933) | 60.1°F (1961) | 4.44 in (1968) |
| September 17 | 95.0°F (1995) | 62.1°F (2001) | 4.75 in (1979) |
| September 18 | 96.1°F (1998) | 59.0°F (1981) | 7.53 in (1966) |
| September 19 | 95.0°F (1998) | 52.0°F (1981) | 2.50 in (1937) |
| September 20 | 95.0°F (1942) | 53.1°F (1981) | 7.10 in (1969) |
| September 21 | 93.0°F (1988) | 55.9°F (1981) | 3.04 in (1952) |
| September 22 | 93.0°F (1993) | 55.0°F (1983) | 6.50 in (2000) |
| September 23 | 95.0°F (1998) | 55.0°F (1982) | 1.95 in (1994) |
| September 24 | 93.0°F (1993) | 55.9°F (1990) | 5.62 in (1989) |
| September 25 | 91.0°F (1931) | 53.1°F (1990) | 6.58 in (1953) |
| September 26 | 91.9°F (1988) | 52.0°F (1975) | 7.45 in (2024) |
| September 27 | 91.9°F (2011) | 52.0°F (1940) | 3.71 in (1942) |
| September 28 | 93.0°F (1986) | 57.0°F (1983) | 5.04 in (1963) |
| September 29 | 91.9°F (1959) | 50.0°F (1967) | 2.24 in (1998) |
| September 30 | 91.9°F (1999) | 50.0°F (1967) | 3.20 in (1996) |