Weather in New Orleans in September
In an average September, New Orleans sees a daily high around 85°F and a low around 75°F, based on 1980–2026 of local climate records.
| Average high | 85°F |
|---|---|
| Typical high range | 81°F to 89°F |
| Average low | 75°F |
| Typical low range | 71°F to 78°F |
| Average daily precipitation | 0.20 in |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
96°F
2000-09-04
Lowest
70°F
1989-09-25
Low
Highest
82°F
2008-09-13
Lowest
55°F
1983-09-22
Feels-like
Highest
129°F
2000-09-04
Lowest
55°F
1983-09-22
Humidity
Highest
25.1 g/m³
2020-09-01
Lowest
7.9 g/m³
2022-09-29
Wind
Highest
50 mph
2008-09-01
Lowest
4 mph
2022-09-22
Gust
Highest
94 mph
2008-09-01
Lowest
8 mph
2022-09-22
Precip
Wettest
14.40 in
2024
Driest
0.71 in
2025
See New Orleans's live weather grade →
Visiting New Orleans in September? See how its comfort stacks up against where you live.
Compare New Orleans with your city →