EN
Lafayette, LA weather in September
79°
Lafayette, Saturday, 8 August, 21:52
Overcast. Feels like 79°. High 92°, low 75°.
Pressure30.06 inHg
Wind6 mph E 
Humidity83%
Visibility6.2 mi
Dew point74°
In September, Lafayette, LA averages a high of 85.9° and a low of 71.2°. About 4.0 inches of precipitation fall over the month (12 wet days). The record high is 102.7° (2000) and the record low 48.7° (1967). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 88° | 74.1° | 57% | 100.8° (2000) | 66.2° (1968) |
| 2 | 87.8° | 73.9° | 57% | 100.4° (2000) | 62.4° (1967) |
| 3 | 88° | 74.1° | 57% | 102° (2000) | 63.7° (1967) |
| 4 | 87.4° | 73.9° | 58% | 102.7° (2000) | 64.4° (1974) |
| 5 | 86.7° | 73.2° | 48% | 100.9° (2000) | 60.3° (1974) |
| 6 | 86.7° | 72.9° | 50% | 95.4° (2023) | 61.7° (2011) |
| 7 | 86.9° | 72.7° | 45% | 98.8° (2023) | 59° (2011) |
| 8 | 87.1° | 72.5° | 43% | 93.9° (1981) | 58.8° (1988) |
| 9 | 86.9° | 72.5° | 42% | 94.3° (2005) | 58.6° (2011) |
| 10 | 86.5° | 72.5° | 45% | 95.4° (1980) | 62.4° (2011) |
| 11 | 86.2° | 72° | 48% | 94.5° (1980) | 62.1° (1976) |
| 12 | 86.5° | 72.3° | 52% | 94.8° (2013) | 60.6° (1976) |
| 13 | 87.1° | 72.5° | 37% | 96.6° (2025) | 61.3° (1969) |
| 14 | 86.9° | 72.1° | 35% | 93.6° (1995) | 59° (2015) |
| 15 | 86.4° | 72.3° | 37% | 95.2° (1980) | 62.4° (1964) |
| 16 | 86° | 71.8° | 45% | 96.1° (2004) | 59° (1961) |
| 17 | 86.4° | 71.8° | 40% | 96.6° (2004) | 57° (1961) |
| 18 | 86.4° | 71.6° | 33% | 97.2° (2004) | 58.3° (1961) |
| 19 | 86.4° | 71.4° | 42% | 99.1° (2005) | 55.4° (1981) |
| 20 | 85.8° | 71.1° | 37% | 100.2° (2005) | 54.1° (1981) |
| 21 | 85.5° | 70.9° | 37% | 100° (2005) | 59.9° (1983) |
| 22 | 85.1° | 70.2° | 38% | 95.7° (2005) | 52° (1983) |
| 23 | 84.4° | 69.4° | 30% | 94.3° (2022) | 53.4° (1983) |
| 24 | 84.4° | 69.3° | 22% | 94.3° (1993) | 55.2° (1975) |
| 25 | 83.8° | 68.7° | 28% | 95° (2022) | 55.9° (2021) |
| 26 | 83.8° | 68.4° | 27% | 92.8° (2011) | 54.3° (1975) |
| 27 | 83.7° | 67.8° | 20% | 91.9° (2011) | 52.2° (1975) |
| 28 | 83.8° | 67.5° | 30% | 92.3° (2019) | 53.1° (1975) |
| 29 | 82.9° | 66.9° | 18% | 92.7° (2025) | 49.1° (1967) |
| 30 | 83.1° | 65.5° | 20% | 92.7° (2025) | 48.7° (1967) |
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