September weather in Cotton Valley, LA
The average temperature in Cotton Valley in September is °F (°F–°F). Average precipitation: 3.99 inches.
September is a fall month in Cotton Valley, and is cooler than the annual average of 0°F. Expect about 7 days with precipitation. Daylight averages about 12h 11m.
Avg High
°F
Avg Low
°F
Precipitation
3.99 in
Daylight
12h 11m
September records in Cotton Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1951) | 57.0°F (1967) | 2.75 in (1974) |
| September 2 | 104.0°F (1951) | 50.0°F (1967) | 1.55 in (1992) |
| September 3 | 102.0°F (1951) | 50.0°F (1952) | 3.01 in (2008) |
| September 4 | 100.9°F (1951) | 48.0°F (1952) | 4.73 in (1968) |
| September 5 | 98.1°F (1954) | 46.9°F (1952) | 2.94 in (1973) |
| September 6 | 99.0°F (1948) | 50.0°F (1953) | 1.20 in (1975) |
| September 7 | 98.1°F (1948) | 53.1°F (1953) | 0.38 in (1962) |
| September 8 | 99.0°F (1954) | 53.1°F (1956) | 0.47 in (1957) |
| September 9 | 100.9°F (1954) | 55.0°F (1953) | 1.94 in (1974) |
| September 10 | 97.0°F (1954) | 53.1°F (1981) | 1.02 in (1951) |
| September 11 | 98.1°F (1963) | 48.9°F (1976) | 4.07 in (1965) |
| September 12 | 99.0°F (1980) | 48.9°F (1954) | 3.16 in (1998) |
| September 13 | 98.1°F (1980) | 46.9°F (1954) | 3.76 in (1961) |
| September 14 | 99.0°F (1954) | 44.1°F (1964) | 2.15 in (2009) |
| September 15 | 100.9°F (1980) | 51.1°F (1979) | 2.13 in (2009) |
| September 16 | 102.9°F (1980) | 51.1°F (1979) | 4.24 in (1968) |
| September 17 | 102.0°F (1980) | 43.0°F (1961) | 3.85 in (1964) |
| September 18 | 95.0°F (1948) | 46.0°F (1981) | 2.23 in (2006) |
| September 19 | 104.0°F (1956) | 41.0°F (1981) | 1.82 in (1976) |
| September 20 | 98.1°F (1953) | 41.0°F (1981) | 2.74 in (1947) |
| September 21 | 96.1°F (1960) | 45.0°F (1981) | 0.68 in (1979) |
| September 22 | 97.0°F (1948) | 44.1°F (1982) | 2.33 in (1992) |
| September 23 | 96.1°F (1980) | 41.0°F (1953) | 1.68 in (1971) |
| September 24 | 96.1°F (1980) | 44.1°F (1982) | 1.27 in (2006) |
| September 25 | 97.0°F (1954) | 42.1°F (1952) | 5.30 in (2005) |
| September 26 | 98.1°F (1954) | 42.1°F (1975) | 1.67 in (1996) |
| September 27 | 100.0°F (1953) | 42.1°F (1975) | 2.29 in (1993) |
| September 28 | 102.0°F (1953) | 39.9°F (1967) | 1.30 in (1973) |
| September 29 | 102.0°F (1953) | 35.1°F (1967) | 1.07 in (1973) |
| September 30 | 100.0°F (1953) | 35.1°F (1967) | 1.96 in (1985) |