1. United States
  2. Louisiana
  3. New Orleans
  4. September

New Orleans, LA Climate in September

Temperature for September

In New Orleans, LA during September the average high temperature is 87.2°F. The hottest day on record was September 11, 1980 when the temperature hit 100.9°F.

New Orleans, LA daily average and extreme temperature range for September

Low Temperature

During September the overnight temperature drops to an average of 70.9°F, with the lowest temperature of 43.0°F being recorded on September 30, 1967. In September it has never frozen overnight.

Precipitation for September

In September the average monthly rainfall in New Orleans, LA is 3.32 inches with rain usually falling on between 10 and 11 days. 1947 was the driest September with only 0.00 inches of rain falling, and 1998 was the wettest September with 18.90 inches of rain. The wettest single day in September was 26 September 2002 when 9.26 inches of rain fell.

Tornados are reported on 0 and 1 days in September. There are thunderstorms on between 5 and 6 days in September.
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