30YearWeather
New Orleans in September
New Orleans weather in September - United States
☀️Hot & Sunny

New Orleans Weather in September

Plan your September trip to New Orleans, United States. Based on 30 years of NASA data, expect temperatures of 29°C (high) to 24°C (low), with 32% rain probability and 8 hours of daily sunshine. Pack rain gear for around 25 rainy days.

Avg High
29°C

Hottest around day 3

Avg Low
24°C

Coolest around day 30

Rainy Days
25days

32% avg rain chance

Sunshine
8hrs/day

Autumn season

New Orleans September Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

The telephone area code for New Orleans ...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for New Orleans

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
52/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

May

Low

Jan

Monthly Traffic Distribution

149
Jan
188
Feb
179
Mar
207
Apr
216
May
171
Jun
155
Jul
157
Aug
167
Sep
161
Oct
155
Nov
164
Dec
Traffic Level
Low Season

Key Connections

Atlanta Hartsfield Jackson (ATL)
Houston William P Hobby (HOU)
Houston George Bush (IAH)
Dallas Love Field (DAL)
Orlando (MCO)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is September a Good Time to Visit New Orleans?

👌A reasonable choice for your trip
Short Answer

Tropical storm season is active in New Orleans during September. Average conditions (29°C, 32% rain) can be interrupted by severe weather. Monitor forecasts closely.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Oppressive heat and humidity

29.3°C with 77% humidity - challenging conditions

Feels significantly hotter than 29.3°C

Heat index: 35°C due to 77% humidity

Plenty of sunshine

9.9h of sunshine daily

Shoulder season - balanced conditions

77% of peak - good value with moderate crowds

Exceptional dining scene

32 Michelin-listed restaurants

Good For

  • 📸
    Photographers

    9.9h sunshine, 55% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only undefined°C - too cold for comfortable swimming

  • 👴
    Elderly travelers

    77% humidity creates difficult conditions

  • 💼
    Business travelers

    Storm season may cause flight disruptions

  • 🌡️
    Heat-sensitive visitors

    35°C feels-like temperature creates discomfort

900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,New Orleans in September averages 29°C with 32% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: New Orleans in September

What are the temperatures in New Orleans in September?

Daytime highs average 29°C, nights drop to 24°C. Temperatures remain fairly consistent.

How many rainy days in New Orleans in September?

Expect around 25 days with measurable rainfall. An umbrella is advisable.

What to wear in New Orleans in September?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is September peak season in New Orleans?

This is shoulder season—moderate prices and manageable crowds.