Weather in New Orleans in September 2024
Average weather
Average temperature in New Orleans in September
Going from a maximum of +93°F during the day to a minimum of +61°F during the night, the temperature in September averages around +86°F.
The average maximum temperature goes down 44% by the end of the month, compared with the beginning of the month, from +91°F to +77°F.
Is New Orleans warm or cold in September?
New Orleans is typically warm in September.
Maximum temperatures go up compared to the previous month from +88°F to +84°F. The minimum temperature also goes down from +77°F to +73°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in New Orleans:
Climate in New Orleans in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +88°F | +84°F | +79°F | ||||
| Min. temperature | ||||||
| +66°F | +55°F | +39°F | ||||
| Max. temperature | ||||||
| +97°F | +97°F | +93°F | ||||
| Rainfall | ||||||
| 201 mm | 140 mm | 91 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 2 m/s | ||||
| Humidity | ||||||
| 80% | 79% | 76% | ||||
| Air pressure | ||||||
| 1014 HPa | 1013 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 5 | 9 | 13 | ||||
| Cloudy days | ||||||
| 9 | 10 | 12 | ||||
| Rainy days | ||||||
| 17 | 11 | 6 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September often has better weather than August. It’s getting colder in September. From +88°F in the day, the average maximum temperature lowers to +84°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 201 mm to 140 mm. It feels drier, as humidity decreases from 80% to 79%. The average wind speed doesn’t change much during September, staying around 1 m/s. The good news is there are likely to be more sunny days in September, from 5 to 9.
October brings much the same weather, it remains good.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in New Orleans is gradually increasing during September, going from 1 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in New Orleans?
Climate Change Over the Years
The climate in New Orleans in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+82°F) and the highest in 2019 (+94°F). The driest year was 1997 with only 26 mm of rainfall, and the wettest year was 1998 with 339 mm.
FAQ
Is September a good time to visit New Orleans?
Can you sunbathe in New Orleans in September?
Is New Orleans rainy in September?
Is it sunny in New Orleans in September?
Other cities in USA
Monthly weather in New Orleans
Source of the data
For this page, we’ve looked at the typical weather in New Orleans, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.