September weather in Biloxi, MS
The average temperature in Biloxi in September is 79.2°F (71.5°F–86.9°F). Average precipitation: 5.24 inches.
September is a fall month in Biloxi, and is warmer than the annual average of 68.5°F. Daily temperatures swing about 15.4°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
86.9°F
Avg Low
71.5°F
Precipitation
5.24 in
Daylight
12h 10m
September records in Biloxi
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1954) | 61.0°F (1915) | 3.09 in (2008) |
| September 2 | 98.1°F (1995) | 62.1°F (1967) | 3.00 in (2011) |
| September 3 | 99.0°F (1912) | 66.0°F (1903) | 4.45 in (2011) |
| September 4 | 100.0°F (1912) | 60.1°F (1897) | 4.85 in (1949) |
| September 5 | 97.0°F (1912) | 61.0°F (1934) | 3.75 in (1958) |
| September 6 | 98.1°F (1909) | 59.0°F (2011) | 4.80 in (1967) |
| September 7 | 96.1°F (1903) | 57.0°F (1988) | 4.81 in (1893) |
| September 8 | 98.1°F (1905) | 60.1°F (2011) | 2.67 in (2000) |
| September 9 | 98.1°F (1910) | 62.1°F (2011) | 1.35 in (1961) |
| September 10 | 100.9°F (1954) | 62.1°F (1924) | 5.35 in (1907) |
| September 11 | 98.1°F (1921) | 0.0°F (2002) | 3.36 in (2024) |
| September 12 | 95.0°F (1906) | 53.1°F (1940) | 6.77 in (1998) |
| September 13 | 98.1°F (2019) | 54.0°F (1940) | 3.85 in (1973) |
| September 14 | 99.0°F (1921) | 52.0°F (1902) | 4.14 in (1948) |
| September 15 | 97.0°F (1920) | 55.0°F (1902) | 5.81 in (2021) |
| September 16 | 99.0°F (1920) | 57.0°F (1961) | 3.55 in (1954) |
| September 17 | 100.0°F (1927) | 55.0°F (1984) | 3.41 in (2021) |
| September 18 | 96.1°F (1911) | 52.0°F (1984) | 8.55 in (1957) |
| September 19 | 97.0°F (2005) | 52.0°F (1981) | 3.10 in (2001) |
| September 20 | 100.0°F (1933) | 50.0°F (1899) | 5.02 in (1898) |
| September 21 | 97.0°F (1997) | 48.0°F (1899) | 4.80 in (1909) |
| September 22 | 93.9°F (1904) | 48.0°F (1899) | 3.12 in (1920) |
| September 23 | 97.0°F (1921) | 48.9°F (1983) | 4.90 in (1985) |
| September 24 | 98.1°F (1921) | 48.9°F (1983) | 5.02 in (1956) |
| September 25 | 97.0°F (1905) | 48.9°F (1899) | 4.60 in (2002) |
| September 26 | 95.0°F (2005) | 44.1°F (1899) | 5.30 in (1959) |
| September 27 | 93.0°F (1911) | 46.0°F (1899) | 4.00 in (1906) |
| September 28 | 96.1°F (1953) | 48.9°F (1899) | 11.30 in (1998) |
| September 29 | 98.1°F (1904) | 45.0°F (1967) | 6.75 in (1898) |
| September 30 | 96.1°F (1900) | 46.0°F (1899) | 5.30 in (1985) |