Weather in New Orleans in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in New Orleans.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youSeptember in New Orleans is hot, with average highs of 29.2°C and lows of 23.5°C. It is very wet, with around 15 rainy days, with roughly 10.0 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit New Orleans — every month compared. Once you know when to go, find your New Orleans packing list at 247PackingList.
Get ready for New Orleans in September
Search flights to New Orleans
Compare 100+ airlines for September — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for New Orleans in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in New Orleans
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 17.1°C | 85.4mm | 10/10 |
| February | 18.6°C | 114.3mm | 9/10 |
| March | 22.9°C | 126.2mm | 9/10 |
| April | 24.7°C | 129.7mm | 9/10 |
| May | 28.4°C | 130.2mm | 9/10 |
| June | 30.8°C | 210.1mm | 8/10 |
| July | 31.0°C | 231.5mm | 8/10 |
| August | 31.6°C | 229.1mm | 8/10 |
| September | 29.2°C | 159.8mm | 9/10 |
| October | 25.8°C | 87.7mm | 10/10 |
| November | 20.6°C | 100.0mm | 10/10 |
| December | 18.5°C | 130.7mm | 9/10 |
Full month-by-month guide: best time to visit New Orleans →
For facts about United States — currency, language and dialling code — see our United States country guide at 247CountryInfo. Travellers also find it useful to keep a New Orleans travel guide to hand. Check clothing sizes in United States before you shop.
Frequently Asked Questions
Is September a good time to visit New Orleans?
September rates 9/10 for visiting New Orleans — excellent time to visit. Expect average highs of 29.2°C, 159.8mm of rain across the month and about 10.0 hours of daily sunshine.
What is the temperature in New Orleans in September?
In September, New Orleans has average highs of 29.2°C (84.6°F) and average lows of 23.5°C (74.3°F).
Does it rain in New Orleans in September?
Yes — September is one of the wetter months in New Orleans, averaging 159.8mm of rain over roughly 15 rainy days. Pack for heavy showers.
What should I wear in New Orleans in September?
For New Orleans in September (29.2°C highs / 23.5°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for New Orleans in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.