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Today's maximum temperature in New Orleans is expected to be 7Â°C, while the average maximum temperature in January is 16Â°C. More about New Orleans Weather overview
Averages for New Orleans in September. September temperatures in New Orleans are slightly less than in previous months, however it is still very warm and there is less rain to contend with. The average temperature still hits a high of 30C (that's about 86F) during the day and in the evenings, temperatures only go as low as 23C (about 73F).