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Celsius/Fahrenheit
Louisiana Weather In September
Average and record high and low temperatures and average rainfall for major Louisiana cities in September:
| City | Record High | Normal High | Normal Low | Record Low | Average Rainfall (in.) |
| Baton Rouge |
104 | 87 | 68 | 43 | 4.84 |
| Lake Charles |
105 | 88 | 69 | 47 | 5.95 |
| New Orleans |
101 | 87 | 71 | 42 | 5.55 |
| Shreveport |
109 | 88 | 66 | 42 | 3.21 |
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