New Orleans - Recent September Temperatures and Rainfall





The numbers here describe what the September weather in New Orleans, Louisiana was like for every year since 2010. A series of tables gives September data by year for temperature and precipitation.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot days occurred each September. Then there's information on how much rain actually landed this month during recent years, as well as how often New Orleans had wet weather.

The climate data come from weather measurements made at the Louis Armstrong New Orleans International Airport.

Temperature Weather iconTemperature

September temperature averages by year in New Orleans
High °F Low °F Year High °C Low °C
90 76 2018 32 25
88 72 2017 31 22
92 78 2016 33 26
88 73 2015 31 23
89 74 2014 32 24
90 74 2013 32 23
88 73 2012 31 23
87 70 2011 30 21
90 74 2010 32 23
Number of days in September when the temperature in New Orleans rose to at least 70 or 90 degrees Fahrenheit
Year 70 °F
21 °C
90 °F
32 °C
2018 30 18
2017 30 14
2016 30 25
2015 30 10
2014 30 15
2013 30 19
2012 30 11
2011 30 9
2010 30 22

Rainy Weather iconRain

This table gives the total precipitation that fell on New Orleans during September in each year from 2010. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more.

Total rainfall for September in New Orleans
Days Year Inches Milli­metres
20 2018 3.5 90
4 2017 0.4 11
10 2016 4.6 118
8 2015 2.7 69
12 2014 3.9 98
12 2013 8.7 220
9 2012 3.0 77
8 2011 13.3 337
4 2010 0.3 8
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

New Orleans - Recent Years
New Orleans - Extremes
Back to Top