September weather in Fort Branch, IN
The average temperature in Fort Branch in September is 68.8°F (56.5°F–81.1°F). Average precipitation: 4.20 inches.
September is a fall month in Fort Branch, and is warmer than the annual average of 55°F. Daily temperatures swing about 24.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 14m. For travel, September is a comfortable month to visit.
Avg High
81.1°F
Avg Low
56.5°F
Precipitation
4.20 in
Daylight
12h 14m
September records in Fort Branch
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.9°F (1913) | 41.0°F (1915) | 1.85 in (1976) |
| September 2 | 104.0°F (1913) | 46.0°F (1909) | 3.61 in (1931) |
| September 3 | 104.0°F (1913) | 44.1°F (1952) | 3.45 in (1932) |
| September 4 | 100.9°F (1925) | 45.0°F (1928) | 2.10 in (1910) |
| September 5 | 104.0°F (1899) | 39.9°F (1902) | 1.65 in (2009) |
| September 6 | 105.1°F (1899) | 44.1°F (1988) | 1.68 in (1971) |
| September 7 | 100.9°F (1899) | 43.0°F (1988) | 1.95 in (2012) |
| September 8 | 102.9°F (1939) | 41.0°F (1986) | 2.08 in (2018) |
| September 9 | 102.9°F (1939) | 45.0°F (1943) | 4.40 in (2018) |
| September 10 | 100.9°F (1912) | 39.0°F (1924) | 1.52 in (1937) |
| September 11 | 99.0°F (1897) | 41.0°F (1917) | 2.28 in (1934) |
| September 12 | 99.0°F (1936) | 39.9°F (1955) | 2.79 in (1965) |
| September 13 | 100.9°F (1936) | 34.0°F (1902) | 1.70 in (1904) |
| September 14 | 100.9°F (1939) | 33.1°F (1902) | 1.50 in (1993) |
| September 15 | 100.9°F (1939) | 37.0°F (1902) | 3.07 in (1930) |
| September 16 | 98.1°F (1927) | 34.0°F (1916) | 2.00 in (1988) |
| September 17 | 100.0°F (1931) | 42.1°F (1900) | 2.40 in (2012) |
| September 18 | 99.0°F (1953) | 35.1°F (1901) | 1.72 in (1964) |
| September 19 | 98.1°F (1925) | 33.1°F (1901) | 1.30 in (1966) |
| September 20 | 97.0°F (1940) | 37.0°F (1918) | 4.00 in (2002) |
| September 21 | 97.0°F (1935) | 36.0°F (1918) | 1.42 in (1996) |
| September 22 | 97.0°F (1931) | 35.1°F (1913) | 1.89 in (1980) |
| September 23 | 95.0°F (2010) | 34.0°F (1974) | 1.85 in (1984) |
| September 24 | 95.0°F (1933) | 28.9°F (1928) | 1.78 in (1977) |
| September 25 | 93.0°F (1931) | 36.0°F (1942) | 3.96 in (1912) |
| September 26 | 91.9°F (1900) | 28.9°F (1928) | 4.85 in (2007) |
| September 27 | 91.9°F (1911) | 33.1°F (1899) | 4.55 in (1959) |
| September 28 | 95.0°F (1939) | 30.0°F (1942) | 2.35 in (1974) |
| September 29 | 100.0°F (1953) | 30.9°F (1967) | 3.32 in (1927) |
| September 30 | 95.0°F (1953) | 27.0°F (1899) | 2.66 in (1955) |