September weather in Zachary, LA
The average temperature in Zachary in September is °F (°F–°F). Average precipitation: 5.06 inches.
September is a fall month in Zachary, 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
5.06 in
Daylight
12h 11m
September records in Zachary
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 90.0°F (1975) | 72.0°F (1975) | 1.35 in (2001) |
| September 2 | 91.9°F (1975) | 72.0°F (1975) | 1.09 in (2001) |
| September 3 | 93.0°F (1975) | 70.0°F (1977) | 2.87 in (1999) |
| September 4 | 93.0°F (1975) | 72.0°F (1977) | 4.16 in (1988) |
| September 5 | 87.1°F (1975) | 70.0°F (1977) | 1.12 in (2001) |
| September 6 | 87.1°F (1975) | 72.0°F (1977) | 3.52 in (1977) |
| September 7 | 88.0°F (1975) | 72.0°F (1975) | 2.35 in (1991) |
| September 8 | 88.0°F (1977) | 72.0°F (1975) | 2.28 in (2007) |
| September 9 | 89.1°F (1975) | 72.0°F (1977) | 1.99 in (2001) |
| September 10 | 91.9°F (1975) | 71.1°F (1975) | 2.80 in (1977) |
| September 11 | 90.0°F (1975) | 70.0°F (1977) | 2.00 in (1998) |
| September 12 | 89.1°F (1975) | 70.0°F (1977) | 3.57 in (1998) |
| September 13 | 90.0°F (1975) | 70.0°F (1975) | 1.05 in (2000) |
| September 14 | 88.0°F (1977) | 60.1°F (1975) | 0.95 in (1977) |
| September 15 | 84.0°F (1977) | 63.0°F (1975) | 1.62 in (1981) |
| September 16 | 86.0°F (1975) | 61.0°F (1975) | 1.67 in (1994) |
| September 17 | 87.1°F (1977) | 62.1°F (1975) | 1.77 in (1988) |
| September 18 | 88.0°F (1977) | 64.9°F (1975) | 1.32 in (1982) |
| September 19 | 88.0°F (1977) | 69.1°F (1975) | 1.95 in (1991) |
| September 20 | 88.0°F (1975) | 66.0°F (1977) | 1.70 in (1976) |
| September 21 | 88.0°F (1975) | 66.0°F (1975) | 1.57 in (1979) |
| September 22 | 88.0°F (1977) | 64.0°F (1975) | 2.02 in (2003) |
| September 23 | 90.0°F (1977) | 54.0°F (1975) | 0.85 in (1992) |
| September 24 | 90.0°F (1977) | 52.0°F (1975) | 5.39 in (2005) |
| September 25 | 88.0°F (1977) | 54.0°F (1975) | 1.75 in (2005) |
| September 26 | 80.1°F (1977) | 48.0°F (1975) | 3.73 in (2002) |
| September 27 | 90.0°F (1977) | 50.0°F (1975) | 0.64 in (1993) |
| September 28 | 90.0°F (1977) | 48.0°F (1975) | 1.95 in (1996) |
| September 29 | 89.1°F (1977) | 50.0°F (1975) | 0.59 in (1989) |
| September 30 | 89.1°F (1977) | 50.0°F (1975) | 2.25 in (1999) |