Temperatures in September
It's hot in September in New Orleans with an average temperature of 32°C. Temperatures this month range from a low of 29°C to a high of 33°C. At night, you can expect temperatures between 23°C and 27°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for New Orleans in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in New Orleans with hot temperatures, averaging around 33°C during the day and nights close to 26°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-September
By mid-September, the average daytime temperature drops to around 32°C, with nights close to 26°C. There might be a few showers during this period, but plenty of dry days with sunshine too. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of September
By the end of September, the average daytime temperature in New Orleans will be around 31°C, with nights close to 25°C. A shower might show up, but overall the weather will be dry and sunny. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Discover cheap trips to New Orleans 
Precipitation in September
In September, there is an average of 73 mm of precipitation, spread over 7 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The average precipitation chance is 24% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for New Orleans. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
New Orleans in September |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 20°C | |
 High Temp |
33°C | 22°C | |
| Low Temp |
29°C | 17°C | |
 Total Precipitation |
73 mm | 44 mm | |
| Rainy Days |
7 days | 8 days | |
August
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit New Orleans?
September is a great month to be in New Orleans for sunny weather. You’ll get high temperatures and not too much rain this month.
The hurricane season in New Orleans runs from June to November.
Temperature records for New Orleans in September
With 37°C, New Orleans hit the highest temperature in the last 10 years in September 2019. The lowest daytime temperature in this month was 23°C in 2020. The extreme night temperatures ranged from a low of 12°C to a high of 30°C.
Check out the climate of New Orleans for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for New Orleans and see what our partners have for you.
Daily Temperature in September in New Orleans
This chart shows the average daily temperatures, both day and night, for each day in September in New Orleans, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in New Orleans
The chart below shows the average daily precipitation in September for New Orleans, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 7 days of rain in New Orleans.
Daily UV Index in September in New Orleans
This chart shows the average daily UV index in September in New Orleans, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in New Orleans Over the Years
This chart shows the average temperature in September in New Orleans, measured in degrees Celsius, over the past years.
Total Precipitation in September in New Orleans Over the Years
This chart shows the average precipitation in September in New Orleans, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for New Orleans
Click on a specific day in September for detailed info on the typical weather on that day in New Orleans. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in New Orleans
Have you been to New Orleans in September?
Share your weather experience in September in New Orleans.
Average Weather in New Orleans by Month
Click on a month below to see detailed weather info for New Orleans. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of New Orleans for all months at once
