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New Orleans in September

A risky month — score 49 of 100

Typical September days in New Orleans reach about 90°F with nights near 74°F. September is also the statistical peak of Atlantic hurricane season (the season runs June 1–November 30) — the averages hide that risk, so flexible plans matter.

Season note: September falls in Atlantic hurricane season (June 1–November 30), its statistical peak. That is climatology, not a forecast — but it is the one risk the averages cannot show.

What to pack for New Orleans in September

• A waterproof shell — rain falls on about 10 days in a typical September.
• Breathable clothes, a hat, and sunscreen — typical afternoons reach about 90°F.
• Pace the midday hours — about 17 days in a typical September reach 90°F.

Every packing line is triggered by a number on this page — the rules are on How we pick.

September vs. the alternatives

The whole year in New Orleans

Averages are the 1991–2020 climate normals (NOAA National Centers for Environmental Information) for the station named on each page. Rain days = days with at least 0.01 in of precipitation. Daylight is computed for the middle of the month.