The highest day temperature in September 2023 was 103°F. The lowest night temperature was 78°F. The average values for day and night temperatures during September were 95.6°F и 82.2°F respectivly.

The average sea surface temperature in September 2023 for New Orleans was 89.0°F. The maximum and minimum values were 86.0°F and 92.2°F respectively.

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation total in September for New Orleans is 3.9 in. It makes september one of the most rainy months of the year.

The average wind speed in September is 7.3 mph. It makes September one of the most windless months of the year for New Orleans.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for New Orleans in September is 8.1 hours.