September weather in Youngsville, LA
The average temperature in Youngsville in September is 79.7°F (70.4°F–89.0°F). Average precipitation: 5.02 inches.
September is a fall month in Youngsville, and is warmer than the annual average of 69.4°F. Daily temperatures swing about 18.6°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
89.0°F
Avg Low
70.4°F
Precipitation
5.02 in
Daylight
12h 10m
September records in Youngsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.9°F (2000) | 57.0°F (1915) | 4.04 in (2008) |
| September 2 | 102.0°F (2000) | 57.0°F (1919) | 2.28 in (2001) |
| September 3 | 102.9°F (2000) | 59.0°F (1903) | 4.23 in (2011) |
| September 4 | 100.9°F (2000) | 55.9°F (1952) | 3.40 in (1934) |
| September 5 | 100.0°F (2000) | 55.9°F (1934) | 4.41 in (1973) |
| September 6 | 100.9°F (1925) | 57.9°F (1896) | 1.71 in (1997) |
| September 7 | 100.0°F (1925) | 51.1°F (1918) | 2.80 in (1893) |
| September 8 | 99.0°F (1925) | 51.1°F (1918) | 2.46 in (1974) |
| September 9 | 98.1°F (1902) | 55.0°F (1918) | 2.16 in (1894) |
| September 10 | 100.9°F (1954) | 52.0°F (1918) | 3.79 in (1965) |
| September 11 | 98.1°F (1893) | 52.0°F (1918) | 6.19 in (1998) |
| September 12 | 99.0°F (1915) | 50.0°F (1940) | 1.96 in (1973) |
| September 13 | 99.0°F (1912) | 48.0°F (1940) | 2.48 in (2007) |
| September 14 | 99.0°F (1898) | 46.0°F (1902) | 4.03 in (2021) |
| September 15 | 100.0°F (1912) | 48.0°F (1902) | 1.42 in (1978) |
| September 16 | 100.0°F (1933) | 48.0°F (1902) | 4.63 in (1942) |
| September 17 | 99.0°F (1893) | 54.0°F (1961) | 5.92 in (1963) |
| September 18 | 100.0°F (1912) | 46.9°F (1903) | 1.44 in (1943) |
| September 19 | 99.0°F (1912) | 46.0°F (1901) | 3.03 in (1932) |
| September 20 | 100.0°F (1933) | 46.9°F (1901) | 2.87 in (1979) |
| September 21 | 99.0°F (1921) | 48.0°F (1899) | 5.09 in (1909) |
| September 22 | 97.0°F (1893) | 45.0°F (1897) | 1.47 in (1946) |
| September 23 | 98.1°F (1893) | 45.0°F (1918) | 2.95 in (2005) |
| September 24 | 97.0°F (1931) | 46.9°F (1897) | 3.30 in (2005) |
| September 25 | 97.0°F (1912) | 52.0°F (1909) | 1.76 in (2018) |
| September 26 | 97.0°F (1931) | 43.0°F (1899) | 2.17 in (1957) |
| September 27 | 95.0°F (1900) | 42.1°F (1899) | 4.67 in (1913) |
| September 28 | 96.1°F (1933) | 41.0°F (1896) | 3.66 in (1976) |
| September 29 | 95.0°F (1910) | 42.1°F (1896) | 2.27 in (1905) |
| September 30 | 97.0°F (1928) | 45.0°F (1899) | 4.10 in (1898) |