Is New Orleans hot in September?
Days are typically hot at 31.4°C, while nights average 22.5°C.
United States · 1991–2020 normal
New Orleans in
September.
Typical September weather in New Orleans: 31.4°C by day, 22.5°C at night, 206 mm of rain over 9.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high31.4°C
Typical low22.5°C
Rain206 mm
Wet days9.5
In the year-round weather comparison, September scores 32 out of 100 (April leads the year at 77). Daylight is calculated as 12 h 18 from latitude 29.95°. Open-water sea temperature is 28.2°C (20 km from the place centre).
September at a glance
What is New Orleans like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 206 mm across about 10 wet days.
How much daylight is there?
There are about 12 h 18 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 9 of 12 in our weather comparison; April ranks first.
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 28.2°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4335045
- NOAA station
- USC00168941 · TERRYTOWN 3S
- Station distance
- 6.3 km from the place centre
- Coverage
- Good coverage · 20 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for New Orleans is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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