Average September Temperatures for Louisiana

Average temperatures for September at cities, communities and other locations around Louisiana are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Gulf Coast, Florida Parishes, Central and North Louisiana.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Gulf Coast

Average September temperatures
High °F	Low °F	Place	High °C	Low °C
86	76	Boothville	30	24
88	69	Crowley	31	21
89	71	Houma	31	22
89	70	Lafayette	32	21
89	71	Lake Charles	32	22
88	73	Morgan City	31	23
90	71	New Iberia	32	22
88	74	New Orleans	31	23
88	72	Rockefeller Wildlife Refuge	31	22

Florida Parishes

Average daily temperatures in September
High °F	Low °F	Place	High °C	Low °C
89	69	Baton Rouge	32	21
89	68	Bogalusa	32	20
88	67	Hammond	31	20
89	71	New Roads	32	22
87	70	Slidell	30	21

Central Louisiana

September temperatures: daily averages
High °F	Low °F	Place	High °C	Low °C
88	68	Alexandria	31	20
89	65	Leesville	31	18
90	69	Natchitoches	32	20
89	64	Winnfield	32	18

North Louisiana

Average September temperatures
High °F	Low °F	Place	High °C	Low °C
87	67	Lake Providence	30	19
89	64	Monroe	32	18
88	65	Ruston	31	18
90	67	Shreveport	32	19

Average Temperatures for Louisiana in September

Gulf Coast

Florida Parishes

Central Louisiana

North Louisiana

Reference

More Louisiana Weather Information